Data size

Free tools from the Data size group.

Convert from

Convert to

Unit standard

Binary (1024): what Windows and RAM use. Decimal (1000): what drive makers, macOS and search engines use. The standard applies to both fields at once.

B to KBConvert bytes to kilobytes and back. 1 KB is 1,024 bytes, with a formula and a conversion table.
GB to KBConvert gigabytes to kilobytes and back. 1 GB is 1,048,576 KB, with a formula and a conversion table.
GB to MBConvert gigabytes to megabytes and back. 1 GB is 1,024 MB, with a formula and a conversion table.
GB to TBConvert gigabytes to terabytes and back. 1 TB is 1,024 GB, with a formula and a conversion table.
KB to BConvert kilobytes to bytes and back. 1 KB is 1,024 bytes, with a formula and a conversion table.
KB to GBConvert kilobytes to gigabytes and back. 1 GB is 1,048,576 KB, with a formula and a conversion table.
KB to MBConvert kilobytes to megabytes and back. 1 MB is 1,024 KB, with a formula and a conversion table.
KB to TBConvert kilobytes to terabytes and back. 1 TB is 1,073,741,824 KB, with a formula, Excel tip and table.
MB to GBConvert megabytes to gigabytes and back. 1 GB is 1,024 MB, with a formula and a conversion table.
MB to KBConvert megabytes to kilobytes and back. 1 MB is 1,024 KB, with a formula and a conversion table.
TB to GBConvert terabytes to gigabytes and back. 1 TB is 1,024 GB, with a formula and a conversion table.
TB to KBConvert terabytes to kilobytes and back. 1 TB is 1,073,741,824 KB, with a formula, Excel tip and table.