DevTools

Unit Converter

Enter a value in any field to update every result instantly. The first category converts binary, octal, decimal and hexadecimal integers, followed by sixteen unit categories for development, daily life, cars and engineering.

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Features

FAQ

How large can binary or hexadecimal integers be?

Conversion uses arbitrary-precision browser BigInt rather than JavaScript Number, with negative values and 0b, 0o and 0x prefixes supported.

How many square meters are in one mu?

One standard Chinese mu is 2000/3 square meters, approximately 666.6667 m².

Why do ounces appear in two categories?

The avoirdupois ounce (oz) measures mass. US and Imperial fluid ounces (fl oz) measure volume and are separate units.

What is the difference between KB and KiB?

KB is decimal: 1 KB = 1000 B. KiB is binary: 1 KiB = 1024 B.

Are PS and hp the same horsepower?

Both measure power, but PS is metric horsepower at 735.49875 W while mechanical hp is about 745.69987 W.

Why are US mpg and Imperial mpg different?

They use different gallon sizes. An Imperial gallon is larger, so the same consumption produces a higher Imperial mpg value.

Why are months and years omitted from time conversion?

Months range from 28 to 31 days and years may be leap years, so they are not fixed durations.

Can Beaufort force be converted to an exact wind speed?

No. Each Beaufort force represents a speed range. The tool shows that range and uses its midpoint only to estimate other speed units.

Is the Mach conversion exact?

The speed of sound changes with conditions. This tool uses the common standard approximation of 340.29 m/s at sea level and 15°C.

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