Gigabytes to Bytes Converter

Exact conversion

Gigabytes to bytes formula

B = GB × 1e+9

1 GB equals 1e+9 B. 10 GB equals 1e+10 B.

About these units

GB
Gigabyte, commonly used for storage and larger files.
B
Byte, a common storage unit made of 8 bits.

Before you use the result

GB to B context and checks

Best use
Use data-storage conversions for file sizes, drive capacity, backups, memory cards, and software download estimates.
Common mistake
Decimal and binary prefixes can differ. GB, GiB, MB, and MiB may not mean the same thing in hardware labels and operating systems.
Precision note
Keep the original value and prefix convention when comparing storage, because rounding can hide meaningful capacity differences.

Example check: 1 GB converts to 1e+9 B. Use this known value to sanity-check a spreadsheet, homework solution, spec sheet, or manual calculation.

Common GB to B conversion table

GBB
1 GB1e+9 B
5 GB5e+9 B
10 GB1e+10 B
25 GB2.5e+10 B
50 GB5e+10 B
100 GB1e+11 B

Data guide

How to use the Gigabytes to Bytes Converter

Convert gigabytes (GB) to bytes (B) with the exact data storage formula, worked examples, and a common-values table. Use the instant result for the gigabytes to bytes conversion, then check the common-value table, reverse link, and unit notes before copying the answer.

  1. 1

    Enter Gigabytes

    Type the gigabytes value you want to convert. Decimal values work when you need a partial unit.

  2. 2

    Read Bytes

    Use the main result for the exact bytes value, then scan the common-value table for nearby reference points.

  3. 3

    Confirm Gigabytes to Bytes

    Check bits versus bytes before using the answer; Gbps is bit-based network speed, while GB/s is byte-based throughput.