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Gigabits to Gigabytes Converter

Convert gigabits to gigabytes and gigabytes to gigabits instantly. Bidirectional digital storage converter with formula and common values.

Gb

Gigabytes

1

GB

8 Gb = 1 GB

GB = Gb ÷ 8

Gigabits to Gigabytes: 1 Gb equals 0.125 GB. To convert gigabits to gigabytes, multiply by 0.125 (GB = Gb ÷ 8). For example, 10 Gb = 1.25 GB.

How to Convert Gigabits to Gigabytes

To convert from gigabits to gigabytes, multiply the value by 0.125. The conversion is linear, meaning doubling the input doubles the output.

Conversion Formula

  • Gigabits to Gigabytes: GB = Gb ÷ 8
  • Gigabytes to Gigabits: Gb = GB × 8

Gigabits to Gigabytes Conversion Chart

Gigabits (Gb)Gigabytes (GB)
0.10.0125
0.250.03125
0.50.0625
10.125
20.25
30.375
50.625
101.25
202.5
253.125
506.25
10012.5
25031.25
1000125

Understanding the Units

What is a Gigabit?

A gigabit equals one billion bits (10⁹).

Common contexts: gigabit Ethernet, broadband speeds.

What is a Gigabyte?

A gigabyte equals one billion bytes (10⁹) in modern SI usage. Storage marketers use the SI definition; some operating systems (e.g., Windows) display the binary GiB (1,073,741,824 bytes) but label it "GB".

Common contexts: storage drives, mobile data plans.

Real-World Reference Points

Item Gigabits (Gb) Gigabytes (GB)
Standard-definition movie81
HD movie (Blu-ray)20025
Modern smartphone storage2048256

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FAQ

How many gigabytes is 8 gigabits?

8 gigabits equals 1 gigabyte (8 ÷ 8).

How do I convert gigabits to gigabytes?

Divide the number of gigabits by 8. For example, 8 Gb ÷ 8 = 1 GB.

What download speed is 1 Gbps in GB per second?

1 Gbps equals 0.125 GB/s (125 MB/s). This is the theoretical maximum speed of a gigabit internet connection.

How many gigabits is a Blu-ray disc?

A single-layer Blu-ray holds 25 GB = 200 Gb. A dual-layer disc holds 50 GB = 400 Gb.

How many gigabytes are in 1 gigabit?

1 Gb equals 0.125 GB.

How do you convert gigabits to gigabytes?

Multiply the gigabit value by 0.125. Formula: GB = Gb ÷ 8.

How many gigabytes are in 5 gigabits?

5 Gb = 0.625 GB.

How do you convert gigabytes back to gigabits?

Use the inverse formula: Gb = GB × 8. For example, 1 GB = 8 Gb.

What is the difference between Gigabit and Gigabyt?

A gigabit equals one billion bits (10⁹). A gigabyte equals one billion bytes (10⁹) in modern SI usage. Storage marketers use the SI definition; some operating systems (e.g., Windows) display the binary GiB (1,073,741,824 bytes) but label it "GB".