Math

Choose a free tool below. Your entries stay on your device, and every result appears instantly.

Calculate percentages, percentage change, and ratios instantly.

Find an exact age in years, months, and days from a birth date.

Measure the days, weeks, months, and years between two dates.

Generate one or more secure random numbers within a range.

Calculate your weighted GPA on a 4.0 or percentage scale by adding unlimited courses and credit hours.

Count down the days, hours, minutes and seconds to any event and share a link to the same countdown.