How do you convert gigabits to kilobits?

To convert gigabits (Gb) to kilobits (Kb), multiply the data size in gigabits by 1,000,000 (kilobits = gigabits × 1,000,000).

What is 5 gigabits in kilobits?

5 gigabits (5 Gb) is equal to 5,000,000 kilobits (5,000,000 Kb).

Which is larger, 1 gigabit (Gb) or 1 kilobit (Kb)?

One gigabit (Gb) is larger than one kilobit (Kb). Specifically, 1 Gb contains 1,000,000 Kb, whereas 1 Kb is 0.000001 Gb.

How do I convert back from kilobits (Kb) to gigabits (Gb)?

To reverse the calculation from Kb to Gb, multiply your kilobit value by the inverse factor 0.000001 (or divide by 1,000,000). 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 Gb and Kb?

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).

Gigabits to Kilobits Converter

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

Kilobits to Gigabits (Kb → Gb)

Convert Gigabits to Kilobits

Enter a value in gigabits (Gb) to convert to kilobits (Kb).

Value (Gb)

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Result

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5,000,000kilobits

5 Gb = 5,000,000 Kb

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Suggested Conversions

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

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Gigabit to Kilobit Conversion Table

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

Gigabits (Gb)	Kilobits (Kb)
0.0000001 Gb	0.1 Kb
0.0000002 Gb	0.2 Kb
0.0000003 Gb	0.3 Kb
0.0000004 Gb	0.4 Kb
0.0000005 Gb	0.5 Kb
0.0000006 Gb	0.6 Kb
0.0000007 Gb	0.7 Kb
0.0000008 Gb	0.8 Kb
0.0000009 Gb	0.9 Kb
0.00000001 Gb	0.01 Kb

How to Convert Gigabits to Kilobits

To convert gigabits to kilobits, multiply the data size by the following conversion ratio: 1,000,000 kilobits/gigabit.

Since one gigabit is equal to 1,000,000 kilobits, you can use this simple formula to convert:

kilobits = gigabits × 1,000,000

The data size in kilobits is equal to the data size in gigabits multiplied by 1,000,000.

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

kilobits = (5 Gb × 1,000,000) = 5,000,000 Kb

How Many Kilobits Are in a Gigabit?

There are 1,000,000 kilobits in a gigabit, which is why we use this value in the formula above.

1 Gb = 1,000,000 Kb|1 Kb = 0.000001 Gb

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

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

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). [1]

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.

What Is a Kilobit?

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

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

In the metric system, "kilo" is the standard SI prefix for thousands, or 10³. This makes the kilobit (Kb) a convenient decimal multiple of the byte (B).

In practice, kilobits (Kb) are widely used across standard data size applications within SI metric workflows, engineering documentation, and technical data sheets.

Learn more about kilobits in our Digital Storage Converter.

When converting data size between gigabits (Gb) and kilobits (Kb), keep full floating-point precision (1 Gb = 1,000,000 Kb; 1 Kb = 0.000001 Gb) during intermediate calculations and round only the final kilobit figure to match your instrument tolerance.

More Gigabit & Kilobit Conversions

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

Convert from Gigabits

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Frequently Asked Questions

There are 1,000,000 kilobits (Kb) in 1 gigabit (Gb). Conversely, 1 kilobit (Kb) is equal to 0.000001 gigabits (Gb).

Digital Storage Converter

Quick Info

Direct Factor: 1 gigabit (Gb) equals 1,000,000 kilobits (Kb).
Inverse Factor: 1 kilobit (Kb) equals 0.000001 gigabits (Gb).
Formula: kilobits = gigabits × 1,000,000.
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

Gigabit (Gb)

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

Kilobit (Kb)

Equal to 1,000 bits (125 bytes).

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

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References

NIST · BIPM · ISO

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

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