Data Storage Converter
Convert digital storage units, from bits and bytes to terabytes and binary units.
Conversion Result
Results may be rounded for display. Very small or large values are shown in scientific notation when appropriate.
How to Use the Data Storage Converter
This free data storage converter changes a value from one digital information unit to another. Select the starting unit, select the destination unit, enter your value, and click Convert Data. The answer will appear below the calculator.
This tool is useful when comparing file sizes, storage capacity, memory sizes and digital data measurements. Remember that storage manufacturers commonly use decimal units, while operating systems and technical applications may also display binary units.
Decimal Units: KB, MB, GB, TB and PB
Decimal units use powers of 1,000. They are widely used to describe storage device capacity and data quantities.
1 MB = 1,000,000 bytes
1 GB = 1,000,000,000 bytes
1 TB = 1,000,000,000,000 bytes
1 PB = 1,000,000,000,000,000 bytes
Binary Units: KiB, MiB, GiB, TiB and PiB
Binary units use powers of 1,024. Their full names are kibibyte, mebibyte, gibibyte, tebibyte and pebibyte. The letter “i” in these abbreviations distinguishes binary units from their decimal counterparts.
1 MiB = 1,048,576 bytes
1 GiB = 1,073,741,824 bytes
1 TiB = 1,099,511,627,776 bytes
1 PiB = 1,125,899,906,842,624 bytes
What Is the Difference Between a Bit and a Byte?
A bit is a basic unit of digital information and can represent a 0 or a 1. A byte is a group of eight bits. In unit abbreviations, lowercase b commonly represents bits, while uppercase B represents bytes. This distinction matters when comparing data transfer speeds and file sizes.
Conversion Formula
The converter uses bits as a common reference unit. Each source unit has a factor describing how many bits it contains.
For example, 2 KB equals 2,000 bytes in decimal units. To convert bytes into bits, multiply the byte value by 8. To convert decimal KB to KiB, divide the byte quantity by 1,024.
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Frequently Asked Questions
How many bits are in one byte?
One byte contains 8 bits.
How many bytes are in one kilobyte?
One decimal kilobyte (KB) is equal to 1,000 bytes.
What is the difference between GB and GiB?
A gigabyte (GB) is 1,000,000,000 bytes, while a gibibyte (GiB) is 1,073,741,824 bytes.
How many megabytes are in one gigabyte?
Using decimal units, 1 GB equals 1,000 MB. Using binary units, 1 GiB equals 1,024 MiB.
How many gigabytes are in one terabyte?
Using decimal units, 1 TB equals 1,000 GB. In binary units, 1 TiB equals 1,024 GiB.
Why does my storage device show less capacity than advertised?
Manufacturers commonly advertise capacity using decimal units. Some operating systems display or calculate capacity using binary units, so the displayed number can differ even when the storage capacity is the same.
Is this data storage converter free?
Yes. You can use this online calculator without paying a fee or installing additional software.