PetSums

Dog calculators

These calculators answer the questions dog owners ask most often: when the puppies are due, when her next season will start, how much to feed, and whether insurance is worth what you pay. Each one shows its working and links to the vet charity or industry source behind the numbers.

The figures these tools use

WhatFigureSource
Dog pregnancy63 days, range 56 to 72PDSA
Gap between seasons6 to 7 monthsPDSA
Length of a season2 to 4 weeksPDSA
TreatsNo more than 10% of the daily allowancePDSA
Average pet insurance claim (2024)£685ABI

Checked on 25 October 2026. How we calculate explains the method behind each tool.