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
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?
100% Client-Side: Your data never leaves your browser.
All calculations, conversions, encodings, and file processing of this tool are executed exclusively locally via JavaScript on your client device. No inputs, passwords, cryptographic keys, texts, or uploaded files are ever sent to our servers or third parties. Once the page is loaded, the tool remains completely functional even offline.