Round decimals to nearest fractions (1/2, 1/4, 1/8, 1/16, etc.)
Convert decimals to the nearest common fraction
Useful for measurements, cooking, construction, and anywhere fractions are preferred
Halves (1/2)
Quarters (1/4)
Eighths (1/8)
Sixteenths (1/16)
| Decimal | Round to 1/4 | Round to 1/8 | Round to 1/16 |
|---|---|---|---|
| 0.33 | 1/4 | 3/8 | 5/16 |
| 0.67 | 3/4 | 5/8 | 11/16 |
| 1.42 | 1 1/2 | 1 3/8 | 1 7/16 |
| 2.88 | 3 | 2 7/8 | 2 7/8 |
Rounding to fractions is essential in many practical situations where fractional measurements are standard or preferred over decimals. This is particularly common in fields that traditionally use imperial measurements or when working with physical objects.
Cooking & Baking
Recipes use cups, teaspoons: 0.375 cups → 3/8 cup
Construction & Carpentry
Tape measures show fractions: 2.625 inches → 2 5/8"
Mechanical Work
Wrench sizes, bolt threads: 0.3125" → 5/16"
Music & Time Signatures
Musical notation: quarter notes, eighth notes
Stock Market Prices
Historical stock prices in fractions: 1/8, 1/16 increments