Free Percentage Calculator - Discounts, Taxes, Margins & Tip Splitter

Multi-function percentage utility for percent differences, retail discounts, sales tax, and restaurant bill splitting.

Find Percentage
What is 15% of 200?
Result:30
Ratio to Percentage
25 is what % of 100?
Result:25%
Increase / Decrease
Change from 50 to 75
Increase:+50%

Discount & Tax Calculator

You Save:$24.00
Tax Amount:$7.68
Final Price:$103.68

Tip & Bill Split Calculator

Total Tip:$15.30
Total Bill + Tip:$100.30
Each Person Pays:$50.15

How to calculate percentages

  1. Find the box that matches your question.
  2. Fill in the numbers.
  3. The answer shows up straight away.

A calculator for every percentage question

Percentages come up all the time and somehow are always confusing. This page has a small calculator for each common question, so you don't have to remember any formulas.

What is 15% of 80? 12 is what percent of 60? How much did the price go up from 40 to 50? There's also a sale price calculator with tax, and a quick tip and bill splitter.

Frequently asked questions

Is going up 10% and then down 10% the same as no change?

No, and this catches lots of people. 100 up 10% is 110. 110 down 10% is 99. Try it in the increase/decrease box.

Percentage points vs percent?

If a rate goes from 4% to 5%, that's up 1 percentage point, but up 25 percent. News stories mix these up a lot.

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