File Size Converter
Convert file sizes between bytes, KB, MB, GB, TB, bits and binary units (KiB, MiB, GiB) — instant and accurate
1 Gigabyte (GB) = 1,000 Megabyte (MB)
All Unit Conversions
1 GB converted to all units
Quick Reference — Common Sizes
Decimal vs Binary
- • Decimal (SI): 1 KB = 1,000 bytes
- • Binary (IEC): 1 KiB = 1,024 bytes
- • Hard drives use decimal (SI) units
- • RAM/OS often use binary (IEC) units
- • This is why a 1 TB drive shows ~931 GiB
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