Every calculation life throws at you.
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Date & time 4
- Date calculator Count the days between two dates, or add days to a date.
- Age calculator Get an exact age in years, months and days, and count down to the next birthday.
- Chinese zodiac calculator Find your Chinese zodiac animal and element, with the Lunar New Year cutoff handled for you.
- Lunar calendar converter Convert Gregorian and Chinese lunar dates both ways, and find your lunar birthday for the next 10 years.
Money & taxes 8
- Mortgage calculator Work out your monthly payment and total interest, with a yearly amortization schedule.
- Auto loan calculator Estimate your monthly car payment, total interest and APR.
- Compound interest calculator See how a lump sum or monthly contributions grow with compound interest.
- Sales tax calculator Add sales tax to a price, or back it out of a total.
- Tip calculator Work out the tip, split the bill, and round up to the dollar.
- Retirement calculator Find the earliest age you can retire and your FIRE number, with inflation, housing and pensions.
- Cost of raising a child calculator Raise a child to 18, 22 or a master’s, with each country’s schools, fees and benefits.
- Break-even rebound calculator How much a stock must rise to break even, how long it takes, and what averaging down does.
Pay & work 1
Random & picks 1
Health 3
- Due date calculator Find your due date and how many weeks pregnant you are, from your last period, conception or IVF transfer.
- Chinese gender predictor Converts the mother's age and conception month to the lunar calendar and reads the Chinese gender chart. Just for fun.
- BMI calculator Find your BMI, weight category and healthy weight range.