Percentage to Decimal
Divide by 100 (move the decimal two places left). Defaults: 75% = 0.75.
Divide by 100 (move the decimal two places left). Examples below.
Worked examples
50% = 0.5
5% = 0.05
20% (UK VAT) = 0.20
0.5% = 0.005
Frequently asked questions
What's the formula?
decimal → %: multiply by 100. % → decimal: divide by 100. Fraction → %: top divided by bottom, ×100. Ratio A:B → %: A ÷ (A+B) × 100.
Do these work for any number?
Yes — including percentages over 100% (where the decimal exceeds 1, or the numerator exceeds the denominator).