Finance

Convert 55 currencies at official central bank rates: pick any date, track the pair over a week to a year, compare all currencies at once.

Free VAT calculator: add VAT to a net amount or extract it from a gross amount. Instant results with your country's rates.

Calculate the sale price and your savings. Three modes: simple discount, price before the discount, and stacked discounts (why −20% and −10% make −28%).

Free tip calculator: work out the tip from your bill by percentage or enter the amount manually, see the total to pay and how much each person owes when splitting.

Calculate how much a car trip costs: fuel economy in mpg, distance in miles and gas price per gallon. Or see how many miles your budget buys instantly.

Calculate how much past money is worth today and how much your savings will lose to inflation. Equivalent amounts by year and purchasing power.