Free Calculator

Percentage
Calculator

Six calculation modes — discounts, increases, what % of a number, and more. Results update as you type.

🔢

X% of Y

🔍

X is what % of Y

📈

% Change

➕

Add a %

🏷️

Discount

↩️

% to Fraction

What is __% of __?

Percentage

%

Of the number

Result

Enter values

__ is what % of __?

The number (X)

Out of (Y)

Percentage

Enter values

From __ to __ = what % change?

Original value

→

New value

% Change

Enter values

__ + __% = ?

Starting number

Add or subtract %

%

Result

—

Amount changed

—

Original price __ with __% off

Original price

Discount

% off

Sale price

—

You save

—

% saved

—

Convert __% to decimal, fraction & ratio

Enter a percentage

%

Decimal

—

Fraction

—

Ratio

—

10%Tip

Divide by 10

15%Tip

Multiply × 0.15

20%Common

Divide by 5

25%Quarter

Divide by 4

50%Half

Divide by 2

75%Three-qtr

Multiply × 0.75

Percentage formulas — quick reference

X% of Ye.g. 20% of 500 = 100

Y × (X ÷ 100)

X is what % of Ye.g. 50 is 25% of 200

(X ÷ Y) × 100

% Increasee.g. 100 → 150 = +50%

((New − Old) ÷ Old) × 100

Add X% to Ye.g. 1000 + 20% = 1200

Y × (1 + X ÷ 100)

Discount pricee.g. $80 − 25% = $60

Price × (1 − Discount ÷ 100)

% to decimale.g. 75% = 0.75

X ÷ 100