%Math & Retail Finance
Percentage & Margin Calculator
Instant reactive calculations for everyday percentages, increases, discounts, and retail profit margins.
Formula 1
What is X% of Y?
%
Result18
Formula 2
X is what % of Y?
Result12.5%
Formula 3
% Change from X to Y
Difference+50%
$
$
Gross Margin60.0%Profit ÷ Revenue
Markup150.0%Profit ÷ Cost
Gross Profit ($)$60.00Revenue − Cost
Knowledge Base
Frequently Asked Questions
Is the Percentage & Margin Calculator free to use?▼
Yes, Percentage & Margin Calculator on SwiftKit is 100% free with no account creation, subscriptions, or usage caps.
Does Percentage & Margin Calculator store or transmit my data?▼
No. All calculations, formatting, and operations execute locally inside your browser memory. No data is sent to external servers.
Does Percentage & Margin Calculator work offline?▼
Yes. Once the page is loaded in your browser, all processing happens client-side without ongoing network calls.