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#calc

Fast, free calculators for everyday math — percentages, loans, interest, tips, dates and more.

12 tools·updated weekly

All calculators tools

Percentage Calculator

Calculate percentages, increases, decreases and what % one number is of another.

Loan Calculator

Work out monthly loan repayments, total interest and the payoff schedule.

Compound Interest Calculator

See how savings grow with compound interest and regular contributions.

Calculate the tip and split the bill between any number of people.

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

Date Difference Calculator

Count the days, weeks and months between two dates.

Aspect Ratio Calculator

Resize width and height while keeping the same aspect ratio.

Discount Calculator

Calculate the sale price and how much you save from a percentage off.

Add or remove VAT or sales tax from any amount.

Scientific Calculator

A full scientific calculator with trig, logarithms, powers and constants.

Salary Calculator

Convert between hourly, monthly and annual pay, with an optional tax rate.

Work Hours Calculator

Add up worked hours from clock-in and clock-out times, minus breaks.