Free calculators for dog owners, each with an explanation of how it works and where the numbers come from.
Estimate what a dog costs in the first year, every year after and over its lifetime, using ASPCA figures updated to 2026 prices with US government inflation data.
Dog Cost Calculator: How Much Does a Dog Cost a Year in 2026? Read More »
Work out how many calories your dog needs and how many grams of food that means, using the formula vets use (Merck Veterinary Manual and AAHA guidelines).
Dog Food Calculator: How Much Should I Feed My Dog? Read More »
Work out your dog’s age in human years with a formula from a 2020 DNA study, plus your dog’s life stage based on AVMA and AAHA vet guidance.
Dog Age Calculator: How Old Is Your Dog in Human Years? Read More »