Everyday Calculators & Tools

Dates, ages, hours, grades, passwords and unit conversions for everyday tasks.

Find an exact age in years, months and days – or the age on any date – plus totals in weeks, days and hours.

Count the days between two dates, or add and subtract days, weeks, months and years to find a new date.

Work out the hours between two clock times, minus breaks – including overnight shifts – and estimate weekly hours and pay.

Calculate your semester GPA from letter grades and credits, then combine it with past results for your cumulative GPA.

Create strong, random passwords instantly. Everything is generated in your browser and never leaves your device.

Convert between metric and imperial units across eight categories and see the value in every unit at once.