Everyday Calculators
Tip, discount, sales tax, fuel cost, gas mileage, shoe size, Roman numeral, password and random number tools.
Sales Tax CalculatorAdd sales tax to a price or remove it from a total.Discount CalculatorSale price after percent or amount off, including stacked discounts.GPA CalculatorSemester and cumulative GPA from grades and credits.Tip CalculatorTip and bill split per person, with round-up.Fuel Cost CalculatorTrip fuel cost from distance, mpg or L/100 km and price.Gas Mileage CalculatorYour car's real mpg, L/100 km and km/L.Shoe Size ConverterUS, UK, EU and cm shoe sizes.Height ConverterFeet and inches to cm, and back.Roman Numeral ConverterNumbers to Roman numerals and back (1–3999).Password GeneratorStrong random passwords, generated on your device.Random Number GeneratorRandom numbers in any range, unique or not.Dice RollerRoll d4–d100 with modifiers, fairly.Love CalculatorA just-for-fun name compatibility score.
About Everyday Calculators
Everyday calculators handle the quick sums of daily life: splitting a bill, checking a sale price, estimating trip fuel costs or generating a strong password. They are fast, mobile-friendly and private.