Percentage Calculator
PopularMulti-purpose percentage calculator for daily math, business, and school. Solves what is X% of Y, X is what % of Y, percentage increase/decrease, and margin/markup.
Sponsored Ad
toolsbeam.site/adsAD
Support ToolsBeam — Free Developer Utilities
Your engagement with sponsors keeps our servers running free.
What is X% of Y?
What is% of?
Result37.50
X is What % of Y?
is what % of?
Percentage25.00%
Percentage Change (Increase / Decrease)
Fromto
Increase+50.00%
Add / Subtract % to Value
% on Value
Add (+20%)
180.00
Subtract (-20%)
120.00
Private & Client-Side
Processed securely in memory. No logs, databases, or third-party sharing.
Instant Execution
Zero queue wait times. Real-time conversion, formatting, and live previews.
Free Without Limits
Unlimited usage forever. No credit cards, trial locks, or output watermarks.
Key Features of Percentage Calculator
✓
4 essential calculation modes in one clean tabbed view✓
Percentage increase and decrease with visual indicators✓
What is X% of Y & X is what % of Y calculation✓
Step-by-step mathematical formula explanationsFrequently Asked Questions
Percentage Increase = [(New Value - Original Value) / Original Value] * 100.