Data Converter
Convert between bits, bytes, kilobytes, megabytes, gigabytes, and binary units.
Popular data conversions
Megabytes to Gigabytes1,000 MB = 1 GB (SI decimal). Hard drives use decimal GB; operating systems often show binary GiB.Gigabytes to Terabytes1,000 GB = 1 TB (SI decimal). A 1 TB SSD stores about 250,000 photos or 500 hours of HD video.Terabytes to Gigabytes1 TB = 1,000 GB (SI decimal). A 1 TB drive stores roughly 200,000 photos or 500 hours of HD video.
Data units
Bit
bit
Byte
B
Kilobit
kbit
Kilobyte
KB
Megabit
Mbit
Megabyte
MB
Gigabit
Gbit
Gigabyte
GB
Terabyte
TB
Gibibyte
GiB
⚠ GiB (2³⁰ bytes) differs from GB (10⁹ bytes). Use GiB for RAM/OS contexts.
Tebibyte
TiB
⚠ TiB (2⁴⁰ bytes) differs from TB (10¹² bytes).
What is data?
Data units measure digital information storage and transfer capacity.
Common use cases
- File and storage sizing
- Network transfer rates
- RAM and ROM specifications
- Cloud storage billing
Ambiguity notes
GB vs GiB: decimal GB (10⁹ bytes) ≠ binary GiB (2³⁰ bytes). OS and hardware often use different conventions.