Percentage calculator.
Numbers that
make sense.
From a quick discount to a better pricing decision. Get the answer, see the working, and understand what your percentage means.
25 out of every 100.
One quarter of the whole.
Your everyday percentage calculator
Choose the question, enter your numbers. We’ll show the working.
20% of 250 is 50.
Show calculation steps
- Convert 20% to 0.2.
- 0.2 × 250 = 50.
Your numbers are calculated in this browser. No account or database is required.
A tool for every
percentage question.
Percentage Change Calculator
Calculate percentage change from an old value to a new value. See the absolute change, percent increase or decrease, visual comparison and step-by-step formula.
Percentage Increase Calculator
Increase any number by a percentage and see the increase amount, final value and calculation steps instantly.
Percentage Decrease Calculator
Decrease any value by a percentage. Get the amount removed, remaining value and step-by-step calculation instantly.
Percentage Difference Calculator
Find the percentage difference between two values using their average as the reference. Includes formula steps and a visual comparison.
Reverse Percentage Calculator
Work backwards from a final value after a percentage increase or decrease, or find the whole when you know a part and its percentage.
Percent Off Calculator
Calculate the final sale price and amount saved from any percent-off discount. Fast, mobile friendly and supports multiple currencies.
Discount Calculator
Calculate percent or fixed discounts, stack two discounts, add tax and quantity, and compare two deals side by side to find the better price.
Margin Calculator
Calculate profit margin, markup, profit and selling price from cost and revenue. Includes target-margin pricing and margin-vs-markup explanation.
Markup Calculator
Calculate selling price from cost and markup, or compare markup with profit margin. See profit per unit and formula steps instantly.
Profit Margin Calculator
Estimate real profit margin after product cost, shipping, payment fees, customer acquisition and other per-order expenses. Includes quantity totals.
Chained Percentage Calculator
Apply multiple percentage increases and decreases in sequence. See every step, final value and effective overall percentage change.
Bulk Percentage Calculator
Calculate many percentages of one base value or many part-to-whole percentages in a single table. Copy results or download CSV.
Percentage of Total Calculator
Find what percentage a part is of a total, with a visual share bar, remaining amount and step-by-step formula.
Percentage Points Calculator
Calculate the percentage-point difference between two percentages and compare it with relative percent change.
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