BreedCalc
✓ 100% Free Evidence-Based Pet Portal

Evidence-Based Pet Nutrition
& Health Calculators

Choose your pet's species below to estimate daily calories, track growth, and plan breeding with 32 published dog and cat profiles.

Top 6 Most Popular Breeds

Select a popular breed below to calculate calories and view its evidence-based nutritional guide.

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French Bulldog

Brachycephalic profile with 8–10% lower baseline metabolic rates. High obesity risk.

Low MetabolismFeeding Plan
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Labrador Retriever

Active breed with genetic POMC satiety variant. Prone to extreme hyperphagia.

POMC Gene MutationFeeding Plan
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German Shepherd

Athletic working dogs requiring structural joint support and high caloric fuel.

Active / AthleticFeeding Plan
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Golden Retriever

Prone to hip dysplasia and cancer. Calorie monitoring prevents developmental strain.

Joint Health RiskFeeding Plan
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Maine Coon

Largest cat breed. Slow maturation period requires careful, non-accelerated feeding.

Giant Cat BreedFeeding Plan
🐱

Persian Cat

Brachycephalic facial structure leads to feeding difficulty. Prone to kidney cyst disease.

Brachycephalic / SedentaryFeeding Plan
Browse Detailed Breed Guides →

Our Specialized Calculators

Access educational tools based on the published references documented on this site.

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Calorie Calculator

Calculate daily energy budgets based on RER and specific life stage factors.

Open Calorie Tool →

Age Calculator

Convert pet years to human equivalent ages using size-banded longevity curves.

Open Age Tool →
📈

Growth Predictor

Plot current puppy or kitten weight against standard growth lines to project adult size.

Open Weight Predictor →
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Gestation Calendar

Track canine and feline pregnancy development milestones and expect birth dates.

Open breeding Calendar →

Frequently Asked Questions

Quick answers to common questions about BreedCalc.

Built From Published Veterinary Nutrition Standards

BreedCalc's mathematical formulas are aligned with published NRC 2006 energy equations and WSAVA nutrition guidance. Results are educational estimates and should be confirmed with your own veterinarian for clinical feeding decisions.

32 Pet ProfilesNRC 2006 Science Standard36 Age Calculators
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NRC 2006
Nutrient Requirements of Dogs and Cats
✓ Energy Formula Reference
👨‍⚕️
WSAVA Guidelines
Global Nutrition Committee Guidance
✓ Nutrition Checklist
👩‍🔬
AAHA Guidance
Life-stage and weight-management guidance
✓ Life Stage Context
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Breed Standards
AKC, TICA, CFA, and published breed data
✓ Weight Range Context

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