---
title: "1 GB to MB = 1,000 MB"
description: "1 gigabyte is 1,000 megabytes. The arithmetic, a table of nearby values, and a converter for any other number."
url: https://atoneplace.net/convert/1-gb-to-mb/
site: "At One Place"
---

# 1 GB to MB

**1 gigabyte in megabytes: 1 GB = 1,000 MB**

MB = GB × 1,000

1 gigabyte is 1,000 megabytes. To get there, multiply by 1,000.

## Values either side

*Gigabytes near 1, converted to megabytes.*

| Gigabytes | Megabytes |
| --- | --- |
| 0.5 GB | 500 |
| 1 GB ← | 1,000 |
| 1.5 GB | 1,500 |
| 2 GB | 2,000 |
| 2.5 GB | 2,500 |
| 3 GB | 3,000 |

## How the conversion works

The relationship is MB = GB × 1,000. Both units measure data, so the conversion is a fixed factor that never changes.

> Megabyte: Decimal: 1,000,000 bytes.

## Common questions

### What is 1 GB in megabytes?

1 GB is 1,000 MB.

### How do you convert gigabytes to megabytes?

Multiply by 1,000.

## Related pages

- [Gigabytes to megabytes](https://atoneplace.net/convert/gb-to-mb/)
- [1 MB to GB](https://atoneplace.net/convert/1-mb-to-gb/)
- [0.5 GB to MB](https://atoneplace.net/convert/0-5-gb-to-mb/)
- [1.5 GB to MB](https://atoneplace.net/convert/1-5-gb-to-mb/)
- [2 GB to MB](https://atoneplace.net/convert/2-gb-to-mb/)
- [2.5 GB to MB](https://atoneplace.net/convert/2-5-gb-to-mb/)
- [3 GB to MB](https://atoneplace.net/convert/3-gb-to-mb/)

## 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/)