Everyday calculators

Tips, budgets, ages, unit conversions, and text tools. Fast, accurate, and free.

10 calculators

Work out a percentage, a percent change, or what percent one number is of another.

Add or remove sales tax and see the tax amount and total.

Find the sale price and how much you save, including stacked discounts.

Add a tip and split the bill evenly, to the cent.

Exact age in years, months, and days.

Add or subtract from a date, or find the days between two dates.

Convert length, mass, volume, and temperature.

Count words, characters, sentences, and more.

Create a QR code from any text or link.

Split a total budget across categories, to the cent.