Everyday life

Tips, fuel, cooking, time, age

Tip Calculator

Calculate the tip and total for any bill, and split it evenly between people.

Work out how much fuel a trip needs and what it will cost.

Calculate the sale price after a discount and how much you save.

Find your exact age in years, months and days — plus totals and your next birthday.

Calculate average speed from distance and time, in km/h, mph and m/s.

Count the exact time between two dates — in years, months, days, weeks.

Estimate how much an appliance costs to run, based on its power and your tariff.

Calculate your grade point average from your grades and credits — works with any grading scale.

Work out how long a trip takes from distance and average speed.

Calculate hours worked between two times, minus breaks — and optional pay.