Percentage Calculator
Calculate percentages, discounts, tips, markups, VAT, and percentage change all in one tool. Results are instant and clearly labeled.
Calculation Mode
History
Results will appear here
Basic Percentage
What is X% of Y?
Quick Reference
50% of 200
100
15% of 80
12
25 is ?% of 200
12.5%
Change 80→100
25% ↑
20% tip on $50
$60
30% off $120
$84
3/8 as %
37.5%
40% markup $50
$70
Percentage Formulas
• X% of Y = (X ÷ 100) × Y
• X is what % of Y = (X ÷ Y) × 100
• % Change = ((New − Old) ÷ |Old|) × 100
• Increase by X% = Value + (Value × X ÷ 100)
• Discount = Price − (Price × Discount% ÷ 100)
• Markup = Cost + (Cost × Markup% ÷ 100)
How to use Percentage Calculator
Upload or paste your input
Drag and drop your file or content into the tool, or click to browse and select it from your device.
Adjust any settings
Configure output format, quality, or any options available for this tool. Defaults work well for most use cases.
Download or copy the result
Processing happens instantly in your browser. Click download or copy to use your result - nothing was sent to any server.
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