100% as a Decimal (and Fraction)

Decimal1
Decimal
1
Percent
100%
Fraction
1/1

Percent means “per hundred”: divide a percentage by 100 to get a decimal, multiply a decimal by 100 to get a percentage.

100% = 1

100 percent as a decimal is 1 — divide by 100.

Step by step

  1. Percent means per hundred, so divide by 100: 100 ÷ 100 = 1.
  2. Equivalently, move the decimal point two places to the left.
  3. As a fraction: 1/1.

Details

Decimal
1
Fraction
1/1
100% of 50
50
100% of 200
200
100% of $1,000
$1,000
Multiplier for a price increase
× 2

How it works

A percentage is a number out of 100. To use it in a calculation, convert it to a decimal by dividing by 100 — then multiply: 25% of 80 is 0.25 × 80 = 20. To increase a number by a percentage, multiply by 1 plus the decimal; to decrease it, multiply by 1 minus the decimal.

Nearby values

PercentDecimal
75%0.75
80%0.8
85%0.85
90%0.9
95%0.95
100%1
110%1.1
115%1.15
120%1.2

Related conversions

Frequently asked questions

What is 100% as a decimal?

1.

What is 100% as a fraction?

1/1.

How do I calculate 100% of a number?

Multiply the number by 1.

How do I add 100% to a price?

Multiply the price by 2.

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