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Data storage converter

Convert between B, KB, MB, GB, TB and more. Free data storage converter, instant and accurate.

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This free online converter switches between bit, B, KB, MB, GB and more. Type a value, pick the units to convert from and to, and read the exact result instantly — you also get the value in every other unit. No signup and no limits.

How to use it

  1. Type the value you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the converted result — and the value in every other unit — instantly.

Frequently asked questions

How do I convert bit to B?

For example, 1 bit equals 0.125 B. Enter any value above to convert instantly.

How do I convert B to bit?

For example, 1 B equals 8 bit. Enter any value above to convert instantly.

How do I convert bit to KB?

For example, 1 bit equals 0.00012207 KB. Enter any value above to convert instantly.

Which units does this converter support?

It converts between bit, B, KB, MB, GB, TB, PB, EB.

When is this conversion actually needed?

Reading a figure written in units you don't work in: a recipe in Fahrenheit, a spec sheet in inches, a fuel figure in miles per gallon, a bandwidth in megabits.

What goes wrong most often?

Assuming a unit name means one thing. A US gallon is four fifths of an imperial one, a US pint is smaller than a UK pint, and a megabyte is 1000 or 1024 kilobytes depending on who wrote the spec.

Where do the conversion factors come from?

Factors are the SI-defined ones where a definition exists, and the tool names the variant it uses wherever a unit has more than one. Conversion happens at full precision and is rounded only for display.

How precise is the result?

The conversion is computed at full double precision and only rounded for display, so a value copied out carries every digit the factor justifies.

Is this converter free?

Yes — it's completely free and instant, with no signup and no limits.

Further reading

All guides →
ExplainerMB, GB, TB: 1024 vs 1000, Bits vs Bytes ExplainedUnderstand data units clearly: the 1024-vs-1000 split, bits versus bytes, and why a 1 TB drive shows as roughly 931 GB — with real file and storage sizes.ExplainerBandwidth and Speed: Mbps vs MB/s ExplainedWhy your 100 Mbps plan downloads at 12.5 MB/s, the bits-versus-bytes ÷8 rule, and how to turn a connection speed into a real download time.ExplainerCelsius to Fahrenheit: The FormulaMultiply by 9/5 and add 32. Here's the formula, the reverse, a quick mental shortcut, and the reference points worth committing to memory.Explainerkg to lbs: Formula and Quick TableMultiply kilograms by 2.2046 for pounds. Here's the exact factor, how to go back, a quick mental estimate, and a reference table.Explainercm to Inches and FeetDivide centimetres by 2.54 for inches, or 30.48 for feet. Here's the formula, how to write a height in feet and inches, and a reference table.ExplainerSquare Feet to Square Meters: Factor 0.0929 and Room SizesConvert square feet to square meters and back with the exact factor 0.0929, worked room-size examples in both units, and why area factors are the square of length factors.