Bytes to GB Converter

Convert bytes to gigabytes instantly. Free bytes to GB converter with binary (1024) and decimal (1000) standards for programming and storage analysis.

1 KB = 1,024 bytes — used by OS, RAM, file sizes

1 B =

9.3132e-10GB

Standard: Binary (1 KB = 1,024 B)

All Units

1 B in every unit (binary)

Binary vs Decimal

Why your hard drive shows less space

1024
Binary (OS Reports)
1 bytes
1000
Decimal (Manufacturer)
1 bytes

Transfer Time

Estimated time to transfer 1 B

4G LTE (50 Mbps)< 1 ms
5G (500 Mbps)< 1 ms
Wi-Fi 5 (400 Mbps)< 1 ms
Wi-Fi 6 (1 Gbps)< 1 ms
100 Mbps Broadband< 1 ms
Gigabit Ethernet< 1 ms
USB 2.0 (480 Mbps)< 1 ms
USB 3.0 (5 Gbps)< 1 ms

How to Convert Byte to Gigabyte

Formula with a worked example (binary (1024))

To convert byte (B) to gigabyte (GB), use this formula:

GB = Bytes ÷ 1,073,741,824 (binary) or Bytes ÷ 1,000,000,000 (decimal)

Example: Convert 1,073,741,824 B to GB (binary (1024))

1,073,741,824 B = 1 GB

To convert back, use: Bytes = GB × 1,073,741,824 (binary) or GB × 1,000,000,000 (decimal)

Byte to Gigabyte Conversion Table

Quick reference (binary (1024))

BGB
1 B9.3132e-10 GB
2 B1.8626e-9 GB
5 B4.6566e-9 GB
10 B9.3132e-9 GB
25 B2.3283e-8 GB
50 B4.6566e-8 GB
100 B9.3132e-8 GB
250 B2.3283e-7 GB
500 B4.6566e-7 GB
1,000 B9.3132e-7 GB

Binary vs Decimal: Which Standard?

Why 1 B can have two different values in GB

There are two ways to define how many gigabyte are in a byte:

Binary (1024-based)

1 B = 9.3132e-10 GB

Used by: OS, RAM, file sizes

Decimal (1000-based)

1 B = 1.0000e-9 GB

Used by: HDD/SSD manufacturers, networks

When Do You Need B to GB?

Common scenarios where this conversion comes in handy

1

disk usage analysis

2

memory profiling

3

big data processing

4

file system monitoring

Frequently Asked Questions

Common questions about converting byte to gigabyte

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Last updated Mar 24, 2026