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Dog Calculators

Free vet-reviewed tools for dog nutrition, health, medication dosing, toxicity assessment, and growth prediction.

Dog Food Calculator — By Breed & Weight

Calculate daily food portions for your dog by weight, age, and activity level. Vet-reviewed WSAVA formula with breed-specific adjustments.

Dog Chocolate Toxicity Calculator — Emergency

Assess chocolate toxicity risk for your dog. Enter weight, chocolate type, and amount for a severity rating based on theobromine levels.

Puppy Weight Calculator — Growth Chart by Breed

Predict your puppy's adult weight using breed-specific growth curves. Enter current weight, age, and size for WALTHAM-based estimates.

Dog Medication Dosage Calculator — Vet-Reviewed

Calculate weight-based medication doses for dogs. Covers 25+ common drugs with vet-reviewed dose ranges, warnings, and frequency guidance.

Dog Weight Loss Calculator — Safe Diet Plan

Create a safe weight loss plan for your dog using BCS assessment, calorie targets, and timeline estimates. Based on WSAVA and AAHA veterinary guidelines.

Xylitol Toxicity Dog Calculator — Emergency Tool

Assess xylitol toxicity risk for dogs by product type and amount. Severity bands, symptom timeline, and vet-reviewed emergency guidance.

Dog Age Calculator — In Human Years by Size

Convert your dog's age to human years using a size-adjusted model. Not the outdated ×7 rule — based on DNA methylation and AVMA veterinary research.

Dog Pregnancy Calculator — Due Date & Timeline

Calculate your dog's due date with a week-by-week pregnancy timeline. Key milestones, whelping preparation, and development stages from mating to delivery.

Dog Exercise Needs by Breed — Age-Adjusted Guide

Calculate daily exercise needs for your dog by breed, age, and health conditions. Covers brachycephalic limits, puppy growth plates, and senior joint care.