Unit converter

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Questions people ask

How do I convert Celsius to Fahrenheit?

Multiply by 9/5 and add 32: 20 °C is 68 °F. Going back, subtract 32 and multiply by 5/9: 100 °F is about 37.8 °C.

Why is a gigabyte sometimes 1,024 megabytes?

Storage makers use decimal units (1 GB = 1,000,000,000 bytes), while some operating systems count in binary units (1 GiB = 1,073,741,824 bytes). That is why a “500 GB” drive shows about 465 GiB.