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Date Duration Calculator

Free date duration calculator to find days, weeks, and months between any two dates.

📊 Result Chart

About Date Duration Calculator

Date Duration Calculator is a free online tool that accurately computes the number of days, weeks, and months between any two dates. Supports manual entry and calendar date picking with intuitive results display. Ideal for project timeline planning, contract term verification, and countdown tracking.

Date Duration Calculator in 3 steps

  1. Enter the start date in the "Start Date" field (format: YYYY-MM-DD)
  2. Enter the end date in the "End Date" field (format: YYYY-MM-DD)
  3. Click "Calculate" to get the duration in days, weeks, and months

Is this tool accurate?

Results are computed with standard, industry-accepted formulas for Start Date and End Date calculations.

Do I need to download anything?

No, it runs entirely in your browser. No downloads needed.