Everyday tools

Small calculations, quickly done.

Everyday

Quickly calculate a percentage of any number, find percentage increase or decrease, and compare values in your browser.

Everyday

Calculate a tip amount and total bill from an amount and percentage.

Everyday

Split a bill including an optional tip between a chosen number of people.

Everyday

Calculate an age in years, months, and days from a date of birth.

Everyday

Calculate the number of days between two calendar dates.

Everyday

Calculate elapsed time between two times of day, including overnight durations.

Everyday

Convert length, weight, temperature, volume, area, and speed using fixed conversion factors.

Everyday

Calculate a sale price and saving from an original price and discount percentage.

Everyday

Generate random whole numbers in a chosen range, with optional unique results.

Everyday

Choose one or more random items from a list you provide.

Everyday calculators