How does this calculator work?

Enter the required values in the input fields and click Calculate to get instant results. All calculations are performed in your browser — no data is sent to any server.

Is this calculator free to use?

Yes, this calculator is completely free to use with no registration required. You can use it as many times as you want.

Percentage Calculator

Calculate percentages — what is X% of Y, X is what % of Y, percentage change

Accurate dataAlways up to dateInstant resultsNo signup required

Percentage (%)

of Value

Percentage Formulas

X% of Y = (X/100) × Y
X is what % of Y = (X/Y) × 100
% Change = ((New - Old) / Old) × 100

Frequently Asked Questions

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