Pet Age Calculator - Dog Years to Human Years & Cat Age Calculator

Based on AVMA veterinary guidelines. First year = 15 human years, second year = +9, each additional year varies by breed size for dogs. Cats age ~4 human years per year after age 2.

Convert your dog or cat's age to human years instantly. Enter your pet's age, breed size, and species to get an accurate human-equivalent age. Uses AVMA veterinary formulas — the old multiply-by-7 rule is outdated. Free pet age calculator for dogs and cats.

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Free online calorie calculator: calculate BMR (Basal Metabolic Rate), TDEE (Total Daily Energy Expenditure), BMI, and macronutrients (protein, carbs, fat) for weight loss, weight maintenance or muscle gain. Uses Mifflin-St Jeor equation. Mac OS 9 retro style.

Free online tool. hello-tools offers free, easy-to-use web tools. Calculators, converters, generators, and more — all in Mac OS 9 retro style. No signup required, no data stored.