The Percentage Calculator handles every percentage calculation you need. Choose a calculation mode: 'What is X% of Y?', 'X is what % of Y?', 'Percentage change from X to Y', or custom. Enter your values and the result appears instantly. For example, to find 15% of 200, select the first mode, enter 15 and 200 — the answer (30) displays immediately. The tool also includes dedicated modes for tips (enter bill amount and tip percentage), discounts (original price and discount %), and markup calculations. Results show both the percentage value and the formula used.
Find what percent of a number is, calculate percentage increase/decrease, find what number a percentage equals, and compute tips or discounts.
Enter the original value and the new value. The tool calculates both the percentage increase or decrease and the absolute difference.
Yes, dedicated tip calculator and discount calculator modes let you quickly figure out tip amounts, sale prices, and final costs.
Yes, all calculations use precise JavaScript math. Results display up to 4 decimal places, adjustable to your preference.
Absolutely. It handles markup, margin, tax, commission, and growth rate calculations commonly needed in business contexts.