---
title: "Megabits to Gigabytes — Mb to GB converter"
description: "1 megabit = 0.000125 gigabytes. Convert megabits to gigabytes with a full conversion table, the exact formula, and a calculator for any value."
url: https://atoneplace.net/convert/megabits-to-gb/
site: "At One Place"
---

# Megabits to gigabytes

**1 megabit in gigabytes: 1 Mb = 0.000125 GB**

GB = Mb × 0.000125

To convert megabits to gigabytes, multiply by 0.000125. The table below gives the values people look up most often, and the converter works for any number.

## Megabits to gigabytes table

*Common megabit values converted to gigabytes.*

| Megabits | Gigabytes |
| --- | --- |
| 1 Mb | 0.000125 |
| 2 Mb | 0.00025 |
| 3 Mb | 0.000375 |
| 4 Mb | 0.0005 |
| 5 Mb | 0.000625 |
| 10 Mb | 0.00125 |
| 15 Mb | 0.001875 |
| 20 Mb | 0.0025 |
| 25 Mb | 0.003125 |
| 30 Mb | 0.00375 |
| 40 Mb | 0.005 |
| 50 Mb | 0.00625 |
| 75 Mb | 0.009375 |
| 100 Mb | 0.0125 |
| 250 Mb | 0.03125 |
| 500 Mb | 0.0625 |
| 1,000 Mb | 0.125 |

## How the conversion works

The relationship is GB = Mb × 0.000125. Both units measure data, so the conversion is a fixed factor that never changes.

## Common questions

### How many gigabytes are in one megabit?

One megabit equals 0.000125 gigabytes. GB = Mb × 0.000125.

### How do you convert megabits to gigabytes?

Use GB = Mb × 0.000125. So 10 Mb is 0.00125 GB.

### How many megabits are in one gigabyte?

One gigabyte equals 8,000 megabits, which is the reverse of the conversion above.

## Related pages

- [Gigabytes to Megabits](https://atoneplace.net/convert/gb-to-megabits/)
- [Megabits to Bytes](https://atoneplace.net/convert/megabits-to-bytes/)
- [Megabits to Kilobytes](https://atoneplace.net/convert/megabits-to-kb/)
- [Megabits to Megabytes](https://atoneplace.net/convert/megabits-to-mb/)
- [Megabits to Terabytes](https://atoneplace.net/convert/megabits-to-tb/)
- [Megabits to Bits](https://atoneplace.net/convert/megabits-to-bits/)

## Sources

- Guide for the Use of the International System of Units (SP 811) — NIST (https://www.nist.gov/pml/special-publication-811) [Public domain (US Government)]
- The International System of Units (SI Brochure) — Bureau International des Poids et Mesures (https://www.bipm.org/en/publications/si-brochure)
- Calculated on this page — At One Place (/about/)