Math & Numbers Converters
Everyday maths calculators — percentages (increase, decrease, difference, of a number) and fractions (to decimal, to percentage, and back). Clear formulas and worked examples for each.
Related converters and pages
- Percentage Decrease — Calculate the percentage decrease between an original value and a new, lower value.
- Percentage Increase — Work out the percentage increase between an original value and a new, higher value.
- Percentage Difference — Find the percentage difference between two numbers — symmetric, with no original value.
- What Percentage Is X of Y — Find what percentage one number is of another, e.g. 25 is 12.5% of 200.
- Percentage of a Number — Quickly find any percentage of a number, e.g. 20% of 500 = 100.
- Fraction to Decimal — Convert any fraction to a decimal and a percentage, with a common-fractions reference table.
- Decimal to Fraction — Convert any decimal to a simplified fraction in its lowest terms, e.g. 0.625 = 5/8.
- Fraction to Percentage — Convert any fraction to a percentage and a decimal, e.g. 3/5 = 60%.
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