DATE & TIME
Date Difference Calculator
Count the days, weeks and months between two dates.
100% free
No sign-up
Private — runs in your browser
Instant results
KEY TAKEAWAYS
- Count the days, weeks and months between two dates.
- Free to use — no sign-up, no account and no usage limits.
- Runs entirely in your browser, so the numbers you enter stay private.
- Works on desktop and mobile with instant, accurate results.
Last updated: June 2026
About the Date Difference Calculator
Pick a start and end date to get the difference in days, in years/months/days, in weeks, and the number of weekdays (business days).
Frequently asked questions
Does it count business days?
Yes — it reports weekdays between the two dates, excluding Saturdays and Sundays.
Free online tool from ConvertFleet. Calculations run entirely in your browser — nothing you type is sent anywhere. Results are estimates for general guidance only.