---
title: "20 GB to B = 20,000,000,000 B"
description: "20 gigabytes is 20,000,000,000 bytes. The arithmetic, a table of nearby values, and a converter for any other number."
url: https://atoneplace.net/convert/20-gb-to-bytes/
site: "At One Place"
---

# 20 GB to B

**20 gigabytes in bytes: 20 GB = 20,000,000,000 B**

B = GB × 1,000,000,000

20 gigabytes is 20,000,000,000 bytes. To get there, multiply by 1,000,000,000.

## Values either side

*Gigabytes near 20, converted to bytes.*

| Gigabytes | Bytes |
| --- | --- |
| 16 GB | 16,000,000,000 |
| 17 GB | 17,000,000,000 |
| 18 GB | 18,000,000,000 |
| 19 GB | 19,000,000,000 |
| 20 GB ← | 20,000,000,000 |
| 21 GB | 21,000,000,000 |
| 22 GB | 22,000,000,000 |
| 23 GB | 23,000,000,000 |
| 24 GB | 24,000,000,000 |

## How the conversion works

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

## Common questions

### What is 20 GB in bytes?

20 GB is 20,000,000,000 B.

### How do you convert gigabytes to bytes?

Multiply by 1,000,000,000.

## Related pages

- [Gigabytes to bytes](https://atoneplace.net/convert/gb-to-bytes/)
- [20 B to GB](https://atoneplace.net/convert/20-bytes-to-gb/)
- [16 GB to B](https://atoneplace.net/convert/16-gb-to-bytes/)
- [17 GB to B](https://atoneplace.net/convert/17-gb-to-bytes/)
- [18 GB to B](https://atoneplace.net/convert/18-gb-to-bytes/)
- [19 GB to B](https://atoneplace.net/convert/19-gb-to-bytes/)
- [21 GB to B](https://atoneplace.net/convert/21-gb-to-bytes/)
- [22 GB to B](https://atoneplace.net/convert/22-gb-to-bytes/)
- [23 GB to B](https://atoneplace.net/convert/23-gb-to-bytes/)
- [24 GB to B](https://atoneplace.net/convert/24-gb-to-bytes/)

## 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/)