Percentage Calculator
Calculates percentage value, rate, percentage change, discount with cash discount, VAT, and tip splitting.
Percentage Value (P % of W)
Calculate portionPercentage Rate (W of G)
Ratio in percentMarkup / Markdown (W ± P %)
Adjust valueChange from A to B
Discount and Cash Discount
Value Added Tax
Tip and Bill Split
Frequently asked questions
How do I calculate a percentage?
Percentage value = base value × percent ÷ 100. Example: 19% of 250 is 250 × 19 ÷ 100 = 47.50. The calculator does this for you.
Can I calculate VAT and discounts?
Yes, it handles percentage change, discounts with early payment discount, VAT and tips.
Popular uses
How does this tool work?
Percentage calculator for values, changes, discounts, VAT, and tip splitting.
Calculates standard formulas (value, rate, base ± %), percentage changes from A to B, discounts with cash discount, net and gross amounts, and tip splitting with formula steps.
Where are my data processed?
Only in your browser. Your data is not sent to any server.
The tool calculates and converts with JavaScript right on your device. Input and files are not sent to us or anyone else. You can check this yourself: load the page, disconnect from the internet, and the tool keeps working in the open tab.