年割りコスト計算機

共有リンク

はじめに

Annual Cost Calculator — Turn any total cost into its annual, monthly and daily equivalents. Enter Total cost, Number of years to get an instant, accurate result.

計算式

Annual cost = total cost ÷ number of years. Monthly equivalent = annual cost ÷ 12. Daily equivalent = annual cost ÷ 365.25 (accounting for leap years).

ステップごとの説明

Enter the Total cost.
Enter the Number of years.
Click Calculate to see your result instantly.

実例

Example: With Total cost = 1200, Number of years = 1, the Annual Cost Calculator gives Annual Cost: 1200, Monthly Equivalent: 100, Daily Equivalent: 3.2854.

よくある質問

Why divide by 365.25 instead of 365?

It accounts for the extra day added every leap year, giving a slightly more accurate long-run daily average.

What is this useful for?

Breaking down a multi-year cost like insurance, a subscription, or equipment into monthly or daily terms for budgeting.

What inputs does the Annual Cost Calculator need?

You'll need to provide: Total cost, Number of years. 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 Annual Cost Calculator?

The Annual Cost Calculator applies the formula exactly as calculated — Annual cost = total cost ÷ number of years. Monthly equivalent = annual cost ÷ 12. Daily equivalent = annual cost ÷ 365.25 (accounting for leap years). — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.

Is the Annual Cost Calculator free to use?

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