Everyday & Lifestyle Calculators

Handy calculators for real life: split a restaurant bill fairly, budget a wedding or a house move, work out your pet's age in human years, estimate your carbon footprint, and plan exactly how much food and drink a party needs. Quick answers to the everyday questions that come up again and again.

Split Bill CalculatorDivide a bill with tip, evenly between people. Road Trip Cost CalculatorTotal trip fuel + tolls, split between passengers. Wedding Budget CalculatorSplit a wedding budget across the usual categories. Moving Cost CalculatorEstimate a house move: movers, van, distance. Dog Years CalculatorDog's age in human years — the science-based way. Cat Years CalculatorCat's age in human years (vet chart). Carbon Footprint CalculatorEstimate your annual CO₂ from key lifestyle inputs. Rainwater Harvesting CalculatorRainwater you can collect from your roof area. Party Food CalculatorHow much food to buy for a party, per person. Party Drinks CalculatorHow much beer, wine and spirits to buy for a party.