💾 Data Storage
GB to bytes Converter
Convert GB to bytes instantly with a reference conversion table.
Quick answer: To convert GB to bytes, multiply by 1073741824. For example, 1 GB = 1073741824 bytes. Use the calculator below for any value.
GB to bytes
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Common conversions
| GB | bytes |
|---|
Formula:
How to convert GB to bytes
1
Enter your value
Type the number of gb you want to convert into the left box. The result in bytes appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — bytes to GB. Your current value carries across so you don't have to re-enter anything.
3
About GB and bytes
GB and bytes are common data measurements.
📊 Common conversions at a glance
| GB | bytes |
|---|---|
| 1e-09 | 1.074 |
| 0.001 | 1.074e+06 |
| 0.01 | 1.074e+07 |
| 0.1 | 1.074e+08 |
| 0.5 | 5.369e+08 |
| 1 | 1.074e+09 |
Reviewed for 2026. GB ↔ bytes conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.
Frequently asked questions
How do I convert GB to bytes?
To convert GB to bytes, multiply by 1073741824. Or use the calculator above for instant results.
How many bytes are in 1 GB?
1 GB equals 1073741824 bytes.
Is the GB to bytes converter free?
Yes, the GB to bytes converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.