Percentage Calculator

Calculate percentages, discounts, tips, and more

Basic Percentage

Find percentage of a number

What is X% of Y?
What is
%
of
Result: —
X is what percent of Y?
is what % of
Result: —
X is Y% of what?
is
%
of what?
Result: —

Percentage Change

Calculate increase or decrease

Calculate percentage change
Increase or decrease a number by percentage
%
Result: —

Discount Calculator

Calculate sale prices and savings

$
%

Tip Calculator

Calculate tips and split bills

$
%
1 person(s)

Markup & Margin

Calculate profit margins and markups

Calculate selling price from cost
$
%
Calculate cost from selling price & margin
$
%
History

No calculations yet

Formulas
Percentage of a number
Result = (X ÷ 100) × Y
Percentage change
Change = ((New - Old) ÷ Old) × 100
Discount
Final = Price × (1 - Discount%/100)
Markup vs Margin
Markup = (Profit ÷ Cost) × 100
Margin = (Profit ÷ Price) × 100
Common Conversions
10% = 1/10
20% = 1/5
25% = 1/4
33.3% = 1/3
50% = 1/2
75% = 3/4
Features

All Your Percentage Needs

From simple calculations to business applications

Basic Calculations

Find percentages, parts, and whole numbers instantly

Percent Change

Calculate increases, decreases, and growth rates

Discounts & Sales

Find final prices and savings on any sale

Tip Calculator

Calculate tips and split bills with friends