Fraction ↔ Percentage Calculator
Formula: n/d × 100 = p (p is shown as a percentage).
Fraction ➜ Percentage
n/d is the same as
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Percentage ➜ Fraction
p% is the same as
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Results (live)
Fraction → Percentage
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Percentage → Fraction
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Actions
Quick summary
Enter a fraction (n & d) to get its percentage, or enter a percentage p to see p/100 simplified.
Reference
| Topic | Rule / Info |
|---|---|
| Fraction → Percentage | ( p% = dfrac{n}{d} times 100 ). |
| Percentage → Fraction | ( p% = dfrac{p}{100} ) then reduce by the greatest common divisor. |
| Notes | Denominator must be nonzero. Values can be negative or > 100% (improper fractions or > 1). |