Data Converter — KB, MB, GB & TB
Convert data sizes from kilo to mega, mega to giga, and beyond using binary (base-2) units. Type a value in either box and the other updates in real time — for example 1024 KB = 1 MB.
Result
1024 MB = 1 GB
Uses binary base-2 units (1024), not decimal (1000).
How to use this converter
- 1
Enter a value in the Megabytes box — for example 1024 MB.
- 2
Read the Gigabytes result, or type in the Gigabytes box to convert the other way.
- 3
Use Swap units to flip the direction, or clear a box to start over.
Understanding MB and GB (base-2)
This calculator uses binary multiples, where 1 GB equals 1,024 MB. Under that convention, 1,000 MB equals 0.9766 GB. Storage manufacturers commonly use decimal SI multiples instead, where 1,000 MB equals 1 GB. Strict IEC terminology calls the binary quantities MiB and GiB. For time-based conversions, try the time converter, or for length see the length converter.
Common conversions
| Unit | Equivalent |
|---|---|
| 1 KB | 1,024 bytes |
| 1 MB | 1,024 KB |
| 1,000 MB | 0.9766 GB (binary) |
| 1,024 MB | 1 GB (binary) |
| 1 GB | 1,024 MB |
| 1 TB | 1,024 GB |
| 1 byte | 8 bits |
Frequently asked questions
How many megabytes are in a gigabyte?
This converter uses binary units, where 1 GB equals 1,024 MB.
What is 1000 MB in GB?
Using binary units, 1,000 MB is 0.9765625 GB. Using the decimal convention used by many storage manufacturers, 1,000 MB is exactly 1 GB.
How do I convert KB to MB to GB to TB?
With binary multiples, divide by 1,024 at each step: 1,024 KB = 1 MB, 1,024 MB = 1 GB, and 1,024 GB = 1 TB.
Why do storage manufacturers sometimes use 1,000 MB per GB?
Drive manufacturers commonly use decimal SI units, while many operating systems report storage using binary multiples. The two conventions produce different displayed capacities.
What is the difference between a bit and a byte?
A byte contains 8 bits. Internet speeds are often stated in bits per second, while file sizes are usually stated in bytes.
Does this converter use GB or GiB?
It follows the common operating-system convention of treating GB as 1,024 MB. Strict IEC terminology would call that binary quantity a GiB.
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Disclaimer
CalcPilot's conversions are mathematically precise estimates for everyday and planning use. Always verify critical measurements with an official source before relying on them. Review our calculation methodology and full disclaimer.