🐾Pet Nutrition Calculator

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Updated Sep 02, 2025

Pet Nutrition Basics

Pet Feeding Chart by Weight

Overweight Pet Diet Plan

Puppy Feeding Schedule

Senior Pet Nutrition

About

Free pet calorie & nutrition calculators for dogs and cats. Not a substitute for veterinary advice.

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Dog calorie calculator
Cat calorie calculator
Puppy feeding calculator
Senior pet calculator
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Next steps

Estimate calories with the Dog or Cat calculator.
Check brand-specific energy on the Brands hub (kcal per cup/100g).
Fine-tune hydration at PetHydrationCalc.com or age guidance at PetAgeFinder.com.

Trusted guidance, fast results

Dog calorie calculator: For accuracy, use a kitchen scale and track grams; cups vary by kibble density and shape. Dog calorie calculator: Recalculate seasonally—heat, cold and activity shifts all change calorie needs. Our calculators are free forever. We monetize with unobtrusive ads and optional affiliate links, never paywalled results. We convert calories to cups and grams using the exact energy density printed on your food label. Body Condition Score (BCS) is the best weekly check—adjust calories 5–10% until ribs are easy to feel and a waist is visible. We convert calories to cups and grams using the exact energy density printed on your food label. Indoor cats generally need fewer calories; add play sessions to support lean muscle. For accuracy, use a kitchen scale and track grams; cups vary by kibble density and shape. Our calculators are free forever. We monetize with unobtrusive ads and optional affiliate links, never paywalled results. Body Condition Score (BCS) is the best weekly check—adjust calories 5–10% until ribs are easy to feel and a waist is visible. Our calculators are free forever. We monetize with unobtrusive ads and optional affiliate links, never paywalled results. Dog calorie calculator: Puppies, working dogs and nursing moms require more energy per pound than adult maintenance. Our calculators are free forever. We monetize with unobtrusive ads and optional affiliate links, never paywalled results. Recalculate seasonally—heat, cold and activity shifts all change calorie needs. Body Condition Score (BCS) is the best weekly check—adjust calories 5–10% until ribs are easy to feel and a waist is visible. Talk with your veterinarian about medical conditions (thyroid, arthritis, GI issues) that affect energy needs. Dog calorie calculator: Our calculators are free forever. We monetize with unobtrusive ads and optional affiliate links, never paywalled results. Recalculate seasonally—heat, cold and activity shifts all change calorie needs. Puppies, working dogs and nursing moms require more energy per pound than adult maintenance. Recalculate seasonally—heat, cold and activity shifts all change calorie needs. Recalculate seasonally—heat, cold and activity shifts all change calorie needs. We convert calories to cups and grams using the exact energy density printed on your food label. Dog calorie calculator: Our approach starts with science-backed formulas (RER and MER) then adapts portions to the pet in front of you. Dog calorie calculator: For accuracy, use a kitchen scale and track grams; cups vary by kibble density and shape. Dog calorie calculator: Puppies, working dogs and

Why this works better than bag charts

Recalculate seasonally—heat, cold and activity shifts all change calorie needs. We convert calories to cups and grams using the exact energy density printed on your food label. We convert calories to cups and grams using the exact energy density printed on your food label. We convert calories to cups and grams using the exact energy density printed on your food label. Talk with your veterinarian about medical conditions (thyroid, arthritis, GI issues) that affect energy needs. Puppies, working dogs and nursing moms require more energy per pound than adult maintenance. Indoor cats generally need fewer calories; add play sessions to support lean muscle. We convert calories to cups and grams using the exact energy density printed on your food label. Body Condition Score (BCS) is the best weekly check—adjust calories 5–10% until ribs are easy to feel and a waist is visible. Talk with your veterinarian about medical conditions (thyroid, arthritis, GI issues) that affect energy needs. Puppies, working dogs and nursing moms require more energy per pound than adult maintenance. Treats count; keep them under 10% of daily calories and prefer low-calorie options. Recalculate seasonally—heat, cold and activity shifts all change calorie needs. For accuracy, use a kitchen scale and track grams; cups vary by kibble density and shape. Puppies, working dogs and nursing moms require more energy per pound than adult maintenance. Indoor cats generally need fewer calories; add play sessions to support lean muscle. For accuracy, use a kitchen scale and track grams; cups vary by kibble density and shape. Our approach starts with science-backed formulas (RER and MER) then adapts portions to the pet in front of you. Our calculators are free forever. We monetize with unobtrusive ads and optional affiliate links, never paywalled results. Body Condition Score (BCS) is the best weekly check—adjust calories 5–10% until ribs are easy to feel and a waist is visible. Talk with your veterinarian about medical conditions (thyroid, arthritis, GI issues) that affect energy needs. For accuracy, use a kitchen scale and track grams; cups vary by kibble density and shape. Treats count; keep them under 10% of daily calories and prefer low-calorie options. We convert calories to cups and grams using the exact energy density printed on your food label. Our approach starts with science-backed formulas (RER and MER) then adapts portions to the pet in front of you. For accuracy, use a kitchen scale and track grams;

When to adjust feeding

Our calculators are free forever. We monetize with unobtrusive ads and optional affiliate links, never paywalled results. Indoor cats generally need fewer calories; add play sessions to support lean muscle. Recalculate seasonally—heat, cold and activity shifts all change calorie needs. For accuracy, use a kitchen scale and track grams; cups vary by kibble density and shape. For accuracy, use a kitchen scale and track grams; cups vary by kibble density and shape. Puppies, working dogs and nursing moms require more energy per pound than adult maintenance. Treats count; keep them under 10% of daily calories and prefer low-calorie options. Treats count; keep them under 10% of daily calories and prefer low-calorie options. Puppies, working dogs and nursing moms require more energy per pound than adult maintenance. Our calculators are free forever. We monetize with unobtrusive ads and optional affiliate links, never paywalled results. We convert calories to cups and grams using the exact energy density printed on your food label. Our calculators are free forever. We monetize with unobtrusive ads and optional affiliate links, never paywalled results. Puppies, working dogs and nursing moms require more energy per pound than adult maintenance. Our calculators are free forever. We monetize with unobtrusive ads and optional affiliate links, never paywalled results. Treats count; keep them under 10% of daily calories and prefer low-calorie options. Puppies, working dogs and nursing moms require more energy per pound than adult maintenance. Our calculators are free forever. We monetize with unobtrusive ads and optional affiliate links, never paywalled results. Indoor cats generally need fewer calories; add play sessions to support lean muscle. Body Condition Score (BCS) is the best weekly check—adjust calories 5–10% until ribs are easy to feel and a waist is visible. We convert calories to cups and grams using the exact energy density printed on your food label. Our calculators are free forever. We monetize with unobtrusive ads and optional affiliate links, never paywalled results. For accuracy, use a kitchen scale and track grams; cups vary by kibble density and shape. Body Condition Score (BCS) is the best weekly check—adjust calories 5–10% until ribs are easy to feel and a waist is visible. We convert calories to cups and grams using the exact energy density printed on your food label. Puppies, working dogs and nursing moms require more energy per pound than adult maintenance. Treats count; keep them under 10% of daily calories and prefer low-calorie options. Puppies, working dogs and nursing moms require more energy per pound than adult maintenance. Body Condition Score (BCS) is the best weekly check—adjust calories 5–10% until ribs are easy to feel and a waist is visible. Our approach starts with science-backed formulas (RER and MER) then adapts

Authors & Medical Reviewers • Editorial Policy

Calculate Your Pet's Daily Calorie Needs

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

Life stage matters: puppies and lactating females require substantially more energy per pound; seniors often need modest reductions.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

Consistency wins: feed on a schedule, track portions, and measure body condition every one to two weeks.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Always convert calories into cups and grams using your specific food's energy density printed as kcal per cup or kcal per 100 g.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Always convert calories into cups and grams using your specific food's energy density printed as kcal per cup or kcal per 100 g.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

Always convert calories into cups and grams using your specific food's energy density printed as kcal per cup or kcal per 100 g.

For the most consistent feeding, weigh meals in grams with a kitchen scale; cup measures vary with kibble size and density.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Life stage matters: puppies and lactating females require substantially more energy

Choose Your Pet Calculator

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

For the most consistent feeding, weigh meals in grams with a kitchen scale; cup measures vary with kibble size and density.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Always convert calories into cups and grams using your specific food's energy density printed as kcal per cup or kcal per 100 g.

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

Treats count toward daily calories—keep them under 10% and choose lower-calorie options when training.

Treats count toward daily calories—keep them under 10% and choose lower-calorie options when training.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Always convert calories into cups and grams using your specific food's energy density printed as kcal per cup or kcal per 100 g.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

Discuss any medical conditions with your veterinarian; issues

How Our Pet Nutrition Calculator Works

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

Consistency wins: feed on a schedule, track portions, and measure body condition every one to two weeks.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Life stage matters: puppies and lactating females require substantially more energy per pound; seniors often need modest reductions.

Always convert calories into cups and grams using your specific food's energy density printed as kcal per cup or kcal per 100 g.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

Life stage matters: puppies and lactating females require substantially more energy per pound; seniors often need modest reductions.

Consistency wins: feed on a schedule, track portions, and measure body condition every one to two weeks.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Consistency wins: feed on a schedule, track portions, and measure body condition every one to two weeks.

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

Consistency wins: feed on a schedule, track portions, and measure body condition every one to two weeks.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Consistency wins: feed on a schedule, track portions, and measure body condition every one to two weeks.

For the most consistent feeding, weigh meals in grams with a kitchen scale; cup measures vary with kibble size and density.

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Life stage matters: puppies and lactating females require

Understanding Pet Body Condition Scores

Consistency wins: feed on a schedule, track portions, and measure body condition every one to two weeks.

Treats count toward daily calories—keep them under 10% and choose lower-calorie options when training.

Treats count toward daily calories—keep them under 10% and choose lower-calorie options when training.

Life stage matters: puppies and lactating females require substantially more energy per pound; seniors often need modest reductions.

Consistency wins: feed on a schedule, track portions, and measure body condition every one to two weeks.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Always convert calories into cups and grams using your specific food's energy density printed as kcal per cup or kcal per 100 g.

Treats count toward daily calories—keep them under 10% and choose lower-calorie options when training.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Life stage matters: puppies and lactating females require substantially more energy per pound; seniors often need modest reductions.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

For the most consistent feeding, weigh meals in grams with a kitchen scale; cup measures vary with kibble size and density.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

Always convert calories into cups and grams using your specific food's energy density printed as kcal per cup or kcal per 100 g.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

Life stage matters: puppies and lactating females require substantially more energy per pound; seniors often need modest

Converting Calories to Food Portions

Life stage matters: puppies and lactating females require substantially more energy per pound; seniors often need modest reductions.

Treats count toward daily calories—keep them under 10% and choose lower-calorie options when training.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

For the most consistent feeding, weigh meals in grams with a kitchen scale; cup measures vary with kibble size and density.

For the most consistent feeding, weigh meals in grams with a kitchen scale; cup measures vary with kibble size and density.

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Life stage matters: puppies and lactating females require substantially more energy per pound; seniors often need modest reductions.

Treats count toward daily calories—keep them under 10% and choose lower-calorie options when training.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

For the most consistent feeding, weigh meals in grams with a kitchen scale; cup measures vary with kibble size and density.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

For the most consistent feeding, weigh meals in grams with a kitchen scale; cup measures vary with kibble size and density.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears,

Common Pet Feeding Mistakes to Avoid

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Always convert calories into cups and grams using your specific food's energy density printed as kcal per cup or kcal per 100 g.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Life stage matters: puppies and lactating females require substantially more energy per pound; seniors often need modest reductions.

Start by estimating calories using RER and MER, then tailor portions to your pet's body condition and daily activity.

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Life stage matters: puppies and lactating females require substantially more energy per pound; seniors often need modest reductions.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

Treats count toward daily calories—keep them under 10% and choose lower-calorie options when training.

For the most consistent feeding, weigh meals in grams with a kitchen scale; cup measures vary with kibble size and density.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

Life stage matters: puppies and lactating females require substantially more energy per pound; seniors often need modest reductions.

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

For the most consistent feeding, weigh meals in grams with a kitchen scale; cup measures vary with kibble size and density.

For the most consistent feeding, weigh meals in grams with a kitchen scale; cup measures vary with kibble size and density.

Hydration affects performance and appetite. Make fresh water available and consider climate when planning activity.

Always convert calories into cups and grams using your specific food's energy density printed as kcal per cup or kcal per 100 g.

Reassess your plan weekly. If ribs are hard to feel or the waist disappears, trim calories by 5–10%; if too thin, increase gradually.

Seasonal shifts in temperature and activity can change energy needs; revisit portions during hot summers and cold winters.

Discuss any medical conditions with your veterinarian; issues like arthritis or thyroid disease may change energy requirements.

Hydration affects performance and appetite. Make fresh water