Percentage Calculator

Numbers

Three modes: X% of Y, X is what % of Y, percentage change from X to Y. Instant results.

What is X% of Y?

% of=Enter values

X is what % of Y?

is what % of=Enter values

Percentage change from X to Y

Fromto=Enter values

Works great for

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Discount Price Checks

Calculate the final price after a 20% or 30% sale in seconds. Shoppers use this to compare discount deals and verify promotional pricing at checkout.

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Finance & Growth Analysis

Compute percentage change between two revenue figures, stock prices, or KPI values. Instantly see whether a metric grew or declined and by how much.

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Student Percentage Problems

Solve common exam questions like 'X is what percent of Y?' or find a percentage of a number. Perfect for maths homework, standardised tests, and quick revision.

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Marketing Conversion Lifts

Measure the percentage lift in click-through rate, conversion rate, or open rate between two campaign variants. Quantify A/B test results without a spreadsheet.

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Tax & VAT Calculations

Work out VAT, sales tax, or service charge amounts by entering the rate and the base price. Accountants and business owners use this for quick invoice checks.

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Grade & Score Calculation

Teachers can compute what percentage a student scored out of the total marks available. Convert raw test scores to percentage grades instantly and copy the result.

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