How do you convert petabytes to gigabits?

To convert petabytes (PB) to gigabits (Gb), multiply the data size in petabytes by 8,000,000 (gigabits = petabytes × 8,000,000).

What is 5 petabytes in gigabits?

5 petabytes (5 PB) is equal to 40,000,000 gigabits (40,000,000 Gb).

Which is larger, 1 petabyte (decimal) (PB) or 1 gigabit (Gb)?

One petabyte (decimal) (PB) is larger than one gigabit (Gb). Specifically, 1 PB contains 8,000,000 Gb, whereas 1 Gb is 1.250000e-7 PB.

How do I convert back from gigabits (Gb) to petabytes (PB)?

To reverse the calculation from Gb to PB, multiply your gigabit value by the inverse factor 1.250000e-7 (or divide by 8,000,000). You can also click the Swap button in the tool above to flip directions in one click.

Are there regional or standard differences when converting PB and Gb?

Decimal SI (Base-10) vs. Binary IEC (Base-2) & Bits vs. Bytes: Networking speeds and storage drive manufacturers use SI decimal prefixes (1 kB = 1,000 bytes, 1 MB = 1,000,000 bytes, 1 GB = 10⁹ bytes), whereas operating systems and RAM often report binary IEC prefixes (1 KiB = 1,024 bytes, 1 MiB = 1,048,576 bytes, 1 GiB = 1,073,741,824 bytes). Also note that lowercase 'b' denotes bits while uppercase 'B' denotes Bytes (1 Byte = 8 bits).

Petabytes to Gigabits Converter

Enter the data size in petabytes below to convert it to gigabits.

Gigabits to Petabytes (Gb → PB)

Convert Petabytes to Gigabits

Enter a value in petabytes (PB) to convert to gigabits (Gb).

Value (PB)

From

Result

•

40,000,000gigabits

5 PB = 40,000,000 Gb

Result updates automatically

Get Widget

Suggested Conversions

Reference:NIST / IEC (IEC 80000-13 Binary Prefixes)

[1–3] ↓

Petabyte to Gigabit Conversion Table

Table showing various petabyte measurements converted to gigabits. Click any preset value or arrow to load it into the converter.

Petabytes (PB)	Gigabits (Gb)
0.0000001 PB	0.8 Gb
0.0000002 PB	1.6 Gb
0.0000003 PB	2.4 Gb
0.0000004 PB	3.2 Gb
0.0000005 PB	4 Gb
0.0000006 PB	4.8 Gb
0.0000007 PB	5.6 Gb
0.0000008 PB	6.4 Gb
0.0000009 PB	7.2 Gb
0.00000001 PB	0.08 Gb

How to Convert Petabytes to Gigabits

To convert petabytes to gigabits, multiply the data size by the following conversion ratio: 8,000,000 gigabits/petabyte.

Since one petabyte is equal to 8,000,000 gigabits, you can use this simple formula to convert:

gigabits = petabytes × 8,000,000

The data size in gigabits is equal to the data size in petabytes multiplied by 8,000,000.

For example, here's how to convert 5 petabytes to gigabits using the formula above.

gigabits = (5 PB × 8,000,000) = 40,000,000 Gb

How Many Gigabits Are in a Petabyte?

There are 8,000,000 gigabits in a petabyte, which is why we use this value in the formula above.

1 PB = 8,000,000 Gb|1 Gb = 0.000000125 PB

Our petabyte to gigabit calculator automatically converts your data size measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Petabytes and gigabits are both units used to measure data size. Keep reading to learn more about each unit.

What Is a Petabyte?

A petabyte is a unit of data size equal to 1e+15 bytes (B), the base unit for data size. SI decimal standard: 10¹⁵ bytes (1,000 TB). [1]

The petabyte is classified as a metric and SI-compatible unit of data size. Petabytes can be abbreviated as PB; for example, 1 petabyte can be written as 1 PB.

In the metric system, "peta" is the standard SI prefix for quadrillions, or 10¹⁵. This makes the petabyte (PB) a convenient decimal multiple of the byte (B).

In practice, petabytes (PB) are widely used across large-scale industrial, bulk, and macro-level data size specifications within SI metric workflows, engineering documentation, and technical data sheets.

Learn more about petabytes in our Digital Storage Converter.

What Is a Gigabit?

A gigabit is a unit of data size equal to 125,000,000 bytes (B), the base unit for data size. Equal to 1,000,000,000 bits (125 MB). [2]

The gigabit is classified as a metric and SI-compatible unit of data size. Gigabits can be abbreviated as Gb; for example, 1 gigabit can be written as 1 Gb.

In the metric system, "giga" is the standard SI prefix for billions, or 10⁹. This makes the gigabit (Gb) a convenient decimal multiple of the byte (B).

In practice, gigabits (Gb) are widely used across large-scale industrial, bulk, and macro-level data size specifications within SI metric workflows, engineering documentation, and technical data sheets.

Learn more about gigabits in our Digital Storage Converter.

When converting data size between petabytes (PB) and gigabits (Gb), keep full floating-point precision (1 PB = 8,000,000 Gb; 1 Gb = 0.000000125 PB) during intermediate calculations and round only the final gigabit figure to match your instrument tolerance.

More Petabyte & Gigabit Conversions

Need to calculate in the opposite direction? Use our gigabits to petabytes calculator to switch your starting unit immediately. You can also explore related tools such as converting gigabits to petabytes, converting megabytes to gigabytes, or converting gigabytes to terabytes.

Convert from Petabytes

Convert to Gigabits

Frequently Asked Questions

There are 8,000,000 gigabits (Gb) in 1 petabyte (PB). Conversely, 1 gigabit (Gb) is equal to 1.250000e-7 petabytes (PB).

Digital Storage Converter

Quick Info

Direct Factor: 1 petabyte (decimal) (PB) equals 8,000,000 gigabits (Gb).
Inverse Factor: 1 gigabit (Gb) equals 1.250000e-7 petabytes (PB).
Formula: gigabits = petabytes × 8,000,000.
Standard Note: Decimal SI (Base-10) vs. Binary IEC (Base-2) & Bits vs. Bytes: Networking speeds and storage drive manufacturers use SI decimal prefixes (1 kB = 1,000 bytes, 1 MB = 1,000,000 bytes, 1 GB = 10⁹ bytes), whereas operating systems and RAM often report binary IEC prefixes (1 KiB = 1,024 bytes, 1 MiB = 1,048,576 bytes, 1 GiB = 1,073,741,824 bytes). Also note that lowercase 'b' denotes bits while uppercase 'B' denotes Bytes (1 Byte = 8 bits).

Units Comparison

Petabyte (Decimal) (PB)

SI decimal standard: 10¹⁵ bytes (1,000 TB).

Gigabit (Gb)

Equal to 1,000,000,000 bits (125 MB).

Byte (B)

8 binary bits.

References

[1]NIST / IEC · IEC 80000-13 Binary Prefixes
Source
[2]BIPM · SI Decimal Prefixes (k, M, G, T, P)
Source
[3]NIST CUU · SI Prefixes & Decimal Multiples
Source

Related Categories

Add This Calculator to Your Site

Free HTML widget · 4 embed formats

Embed the interactive Petabytes to Gigabits converter on your blog, classroom, or documentation page.

Customize & Get Embed Code

References

NIST · BIPM · ISO

[1]
NIST / IEC (IEC 80000-13 Binary Prefixes)·Digital Storage Metrology Standard — Petabytes (PB) to Gigabits (Gb)
NIST / IEC Standard
[2]
BIPM (SI Decimal Prefixes (k, M, G, T, P))·Unit Specifications: Petabyte (Decimal) (PB) & Gigabit (Gb)
BIPM Specification
[3]
NIST CUU (SI Prefixes & Decimal Multiples)·Conversion Factors & Mathematical Basis (PB to Gb)
NIST CUU Reference

Measurement Navigator78 Categories9 Scientific Domains

Browse All 78 Measurement Categories

A–Z Directory →Sitemap

Common ConvertersEveryday metric, imperial, and US customary converters for length, weight, volume, temperature, area, pressure, energy, speed, time, and data.