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Percentage Calculator

Calculate percentages, percentage changes, discounts, markups, and solve percentage problems with our comprehensive calculator.

Basic Percentage

Calculate what percentage one number is of another number.
is
Formula: (Part ÷ Total) × 100 = Percentage
10%
20%
25%
50%
75%
100%
%
10%
Formula: Original × (1 + Percentage/100) = Increased Value
%
10%
Formula: Original × (1 - Percentage/100) = Decreased Value
Formula: ((New - Original) ÷ Original) × 100 = Percentage Change
%
Formula: Final ÷ (1 ± Percentage/100) = Original Value
Formula: (Numerator ÷ Denominator) × 100 = Percentage

Calculation Results

--
Result
--
Original
--
New
--
Change
--
Percentage

Visual Representation

Original
New
Original: -- New: --

Quick Percentage Calculations

20%
Common Discount
Standard sale discount percentage

Common Conversions

Fraction
--
Equivalent fraction

Percentage Examples

Discount Calculation

A $50 item with 20% discount. The discount amount is $10, final price is $40.

50 × 0.20 = 10 discount
50 - 10 = 40 final price

Salary Increase

A $60,000 salary with 5% increase. The increase is $3,000, new salary is $63,000.

60,000 × 0.05 = 3,000 increase
60,000 + 3,000 = 63,000 new salary

Test Score Percentage

Scored 45 out of 50 on a test. The percentage score is 90%.

(45 ÷ 50) × 100 = 90%

Restaurant Tip

A $75 bill with 18% tip. The tip amount is $13.50, total is $88.50.

75 × 0.18 = 13.50 tip
75 + 13.50 = 88.50 total

Weight Loss Percentage

Lost 15 pounds from 200 pounds. The percentage loss is 7.5%.

(15 ÷ 200) × 100 = 7.5%

Mortgage Down Payment

A $300,000 house with 20% down payment. The down payment is $60,000.

300,000 × 0.20 = 60,000

Features of Our Percentage Calculator

Multiple Calculation Modes

Six different percentage calculation modes for every need - basic, increase, decrease, change, reverse, and fraction conversion.

Visual Representations

See percentage changes visualized with color-coded bars showing original vs new values.

Quick Calculations

Instant calculations for common percentages like 10%, 25%, 50% with real-world examples.

Fraction Conversion

Convert fractions to percentages and vice versa with detailed explanations.

Practical Examples

Real-world examples for discounts, tips, salary increases, test scores, and more.

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