Megabits to Gigabits Converter
1 megabit = 0.001 gigabits
1 megabit equals 0.001 gigabits
How to convert megabits to gigabits
Lowercase b means bit; uppercase B means byte (8 bits). Decimal kB, MB and GB use powers of 1000; binary KiB, MiB and GiB use powers of 1024. Choose the label that matches the source measurement.
Gb = Mb × 0.001One megabit is 0.001 gigabits, so a single multiplication converts any value.
0.01 Gb = 10 × 0.001Megabits to gigabits conversion table
Common values in megabits, converted to gigabits.
| Megabits (Mb) | Gigabits (Gb) |
|---|---|
| 1 | 0.001 |
| 2 | 0.002 |
| 4 | 0.004 |
| 8 | 0.008 |
| 16 | 0.016 |
| 32 | 0.032 |
| 64 | 0.064 |
| 128 | 0.128 |
| 256 | 0.256 |
| 512 | 0.512 |
| 1,024 | 1.024 |
About these units
megabitMb
Exactly 1,000,000 bits. Internet speeds are quoted in megabits per second.
gigabitGb
Exactly 1,000,000,000 bits.
Sources and precision
Table results are rounded to 8 significant digits; formula constants may be rounded to 10. Worked example answers use 6 significant digits. The converter starts at 6 significant digits and lets you change display precision. Calculations use the stored factors without intermediate rounding. Exact unit definitions do not make an input measurement more precise; conventional and measured factors follow the assumptions stated here.