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パーセント計算

割合・増減率・割引を計算します。合格率や折扣率の確認にも使えます。

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How to use it

1Step 1Fill in What do you want to calculate?
2Step 2Change a value and the result updates instantly
3Step 3Save or copy the result

If the result looks off

The result looks wrong

Check the units and the baseline first. Changing a value updates the result instantly.

I want the starting values back

Press reset to return to the initial state.

よくある質問

Does it handle sale prices?

Yes. Enter price and discount to see the final price and savings together.

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Ratios, change, and discounts. Three formulas cover nearly every percent calculation.