Weeks
0.0
Date Calculator
Calculate days between two dates, or add/subtract days from a date.
Days Between Dates
0 days
Months (approx)
0.0
Business Days (approx)
0
How to use the Date Calculator
The Date Calculator is free and runs entirely in your browser — no sign-up, and nothing you enter leaves your device. It opens pre-filled with a realistic example, so you can see how it works before replacing any figure with your own; the results update as you type. Press Calculate to refresh the result panel, or Reset to return to the example.
The inputs it asks for:
- Start Date — a calendar date.
- End Date — a calendar date.
Worked example
Using the example values — Start Date 2026-07-23, End Date 2026-08-22 — the Date Calculator returns a Days Between Dates of 0 days. It also reports Weeks (0.0), Months (approx) (0.0), Business Days (approx) (0).
Prefer your own numbers? Change any field above and this recomputes instantly.