営業日計算機

共有リンク

はじめに

Business Days Calculator — Working days between dates, skipping weekends. Enter From date, To date to get an instant, accurate result.

計算式

Counts each calendar day between the two dates, excluding Saturdays and Sundays.

ステップごとの説明

Enter the From date.
Enter the To date.
Click Calculate to see your result instantly.

実例

Example: With From date = 2026-10-09, To date = 2026-10-09, the Business Days Calculator gives Business Days: 1.

よくある質問

Does this account for public holidays?

No, it excludes weekends only — public holidays aren't factored in.

Which days count as weekend?

Saturday and Sunday.

What inputs does the Business Days Calculator need?

You'll need to provide: From date, To date. All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.

How accurate is the Business Days Calculator?

The Business Days Calculator applies the formula exactly as calculated — Counts each calendar day between the two dates, excluding Saturdays and Sundays. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Is the Business Days Calculator free to use?

Yes, the Business Days Calculator is completely free, requires no signup, and runs instantly in your browser.