Data Size Converter
Convert data size between kb (decimal), mb (decimal), gb (decimal), tb (decimal), kib (binary), mib (binary), gib (binary), tib (binary).
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What this tool does
Convert data size between kb (decimal), mb (decimal), gb (decimal), tb (decimal), kib (binary), mib (binary), gib (binary), tib (binary). SI KB/MB/GB/TB use powers of 1000; IEC KiB/MiB/GiB/TiB use powers of 1024.
How to use the Data Size Converter
- Enter or select value.
- Enter or select from unit.
- Enter or select to unit.
- Read the calculated result; change any measurement to compare alternatives.
Formula
result = value × from.factor / to.factor; factors: kb=1000; mb=1000000; gb=1000000000; tb=1000000000000; kib=1024; mib=1048576; gib=1073741824; tib=1099511627776
- value
- Value
- from
- From unit
- to
- To unit
SI KB/MB/GB/TB use powers of 1000; IEC KiB/MiB/GiB/TiB use powers of 1024.
Worked example
For data size converter, the following measurements illustrate the exact method: Value: 1; From unit: kb; To unit: mb.
Inputs
- Value1
- From unitKB (decimal)
- To unitMB (decimal)
Result
- Converted MB (decimal)0
Data Size conversion factors
| Unit | Factor to common base |
|---|---|
| KB (decimal) | 1000 |
| MB (decimal) | 1000000 |
| GB (decimal) | 1000000000 |
| TB (decimal) | 1000000000000 |
| KiB (binary) | 1024 |
| MiB (binary) | 1048576 |
| GiB (binary) | 1073741824 |
| TiB (binary) | 1099511627776 |
Results explained
- Converted MB (decimal)
- Converted MB (decimal) from the formula above. SI KB/MB/GB/TB use powers of 1000; IEC KiB/MiB/GiB/TiB use powers of 1024.
Frequently asked questions
Select the source and target units. The Swap control exchanges them, retaining the equivalent converted value.
SI KB/MB/GB/TB use powers of 1000; IEC KiB/MiB/GiB/TiB use powers of 1024. The formula and reference table list all supported definitions.
Decimal and binary prefixes are not the same: 1 MB is 1,000,000 bytes while 1 MiB is 1,048,576 bytes.
The formulas use JavaScript double precision. Display rounding can hide trailing digits, but factors are not rounded before computation.
Yes. A zero amount converts to zero in every unit in this group.