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Percentage Calculator
Calculate percentages, percentage increases/decreases, and percentage differences quickly and easily.
No uploads • Client-side only • Your data stays on your device
What is X% of Y?
of
Result
20.00
20% of 100 = 20.00
💡 Common Use Cases:
- Basic: Calculate tips, discounts, tax amounts
- Increase: Price increases, salary raises, growth projections
- Decrease: Sale discounts, price reductions, depreciation
- Difference: Compare sales periods, analyze trends, track changes
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All processing happens directly in your browser using JavaScript. Your files, passwords, and data never leave your device and are never uploaded to our servers. We cannot see, store, or access anything you process with this tool.
No account required • No tracking • No data collection • Works offline after initial load