Months Between Dates Calculator

Free months between dates calculator. Find exact months and days between any two dates. Perfect for age calculations and lease tracking.

Calculate the precise number of months separating two dates, along with any additional days. Useful for tracking lease terms, subscription periods, employment duration, or any time-based calculations measured in months.

Common use cases

  • Landlords and tenants tracking lease durations
  • Subscription services calculating billing periods
  • Parents tracking baby age in months
  • HR calculating probation periods
  • Loan officers determining term lengths

How to use

  1. Enter the start date using the date selector
  2. Enter the end date
  3. View total months and extra days immediately
  4. Choose calculation method: calendar months or 30-day months
  5. Export or copy your result

FAQ

How does month calculation work for different month lengths?

Calendar month calculations account for actual month lengths (28-31 days). Alternatively, you can use standardized 30-day months.

What about February in leap years?

The calculator correctly handles February's variable length, including leap year adjustments.

Can I calculate partial months?

Yes, remaining days beyond complete months are shown separately or as a decimal fraction.