Percentage Calculator
Quickly solve any percentage problem. All six common percentage calculations in one place.
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① What is X% of Y?
What is
% of
=
—
✅
② X is what percent of Y?
is what % of
=
—
%
✅
③ Percentage Increase / Decrease
From
to
=
—
%
④ Add / Subtract a Percentage
%
=
—
✅
⑤ X is Y% — What is the whole?
is
% — the whole is
—
✅
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📖 How to Use
- Pick the calculation type that matches your question.
- Fill in the numbers — results update instantly as you type.
- Click the clipboard icon next to any result to copy it.
💡All calculations update live as you type — no need to press Enter or click a button. Results are rounded to 4 significant figures.