EEasynivo
Free online tool

Date Calculator

Find the duration between two dates or add and subtract whole days from a date.

Enter your values

Result

—

Enter the values and choose Calculate.

Years—
Months—
Days—
Total days—
Calculated date—

How to use this tool

Compare calendar dates in years, months and days, or move a date forward and backward.

  1. Enter your values
  2. Calculate
  3. Copy · Share

Formula and method

Total days = end date − start date

Worked example

February 28, 2024 plus 2 days is March 1, 2024.

Frequently asked questions

Is this tool free and private?

Yes. It is free to use without an account, and the calculation runs in your browser.

Date Calculator

Find the duration between two dates or add and subtract whole days from a date.

Continue exploring

AGE

Age Calculator

Calculate exact age in years, months and days, total time lived and the next birthday.

Open tool →TIME

Time Duration Calculator

Calculate hours and minutes between two clock times, including overnight periods.

Open tool →TZ

Time Zone Converter

Convert a date and time between major world time zones with daylight-saving rules.

Open tool →

Content basis and verification

· Calculations run in your browser. Check the formula and assumptions on this page, and confirm important financial, tax, medical or legal decisions against current official guidance.