Date Calculators

Practical date tools that do the maths so you don't have to. All calculations happen in your browser.

Count the exact number of days and full weeks between any two dates.

Find a date that is a certain number of years, months, weeks, or days away from any starting date.

Count weekdays between two dates, or add and subtract business days from any starting date.

Calculate the exact age in years, months, and days between any two dates.

Calculate the exact hours, minutes, and seconds between two date and time values.

Not sure how a result was calculated? Read how these tools work →