Date to Date Calculator

Calculate the exact number of days, weeks, months, and years between two dates. Perfect for project planning, vacation planning, and date calculations.

Date Calculator

Date Calculation Results

Select start and end dates to calculate the difference

Date Calculation Information

Common Use Cases

  • Project Planning: Calculate project duration
  • Vacation Planning: Count vacation days
  • Event Planning: Days until special events
  • Age Calculation: Calculate exact age
  • Business Planning: Working days calculation

Calculation Methods

  • Calendar Days: All days including weekends
  • Business Days: Monday to Friday only
  • Weekdays: Monday to Friday
  • Weekends: Saturday and Sunday
  • Leap Years: Automatically accounted for

About the Date to Date Calculator

Our free date to date calculator finds the number of days, weeks, or months between two dates. Use it for project timelines, age, and countdowns. Enter start and end dates for the difference. For working days only use our business day calculator.

You may also find our business day calculator and date calculator useful.

Frequently Asked Questions

How many days between two dates?

Enter the start and end dates; the calculator shows the exact number of calendar days between them.

Can I get weeks and months too?

Yes. Results include days, and approximate weeks and months for the period.

Does it include the start and end date?

Typically the count is the number of days between the two dates; check the calculator output for the exact method used.