Fun and lighthearted calculators8 calculators
Updated on June 14, 2026
Convert your cat's age in years to human years using the standard AAHA feline life-stage conversion, with a worked breakdown of how the figure is reached.
Convert your dog's age into human years with a size-aware calculator based on the AKC method.
Score a fantasy football stat line under standard, half-PPR, or full-PPR rules, with a breakdown of passing, rushing, and receiving points.
Calculate your overthinking level and second date probability based on post-date anxiety indicators
Calculate baseball slugging percentage (SLG) from at-bats and each kind of hit, weighting singles, doubles, triples, and home runs — plus total bases and batting average.
See what smoking really costs per day, month, year, and decade from how many cigarettes you smoke a day, the pack size, and the price per pack.
Convert a step count into distance in kilometres and miles using your average stride length — see how far 10,000 steps really is.
Calculate win percentage from a win-loss-tie record, with ties counted as half a win, ignored, or counted as games — plus total games and win-loss ratio.