Petabit to Megabit Converter

Data Converter

21 units available

Decimals:

From

To

1,073,741,824

1 Pb = 1,073,741,824 Mb

Formula:

Mb = Pb × 1.073742e+9

With your value: 1 Pb = 1,073,741,824 Mb

How big is that?

Everyday references on a logarithmic scale, all expressed in petabit so you can sanity-check the result.

Phone photo (1/3.5e+7 your value)3.55e-9 Pb

MP3 song (1/2.8e+7 your value)4.44e-9 Pb

CD-ROM (1/2.0e+5 your value)6.22e-7 Pb

HD movie (1/3.5e+4 your value)0.00000355 Pb

Laptop SSD (1/2.7e+2 your value)0.000455 Pb

Your value0.125 Pb

Other Petabit to Megabit conversions

2 Pb to Mb 3 Pb to Mb 4 Pb to Mb 5 Pb to Mb 6 Pb to Mb 7 Pb to Mb 8 Pb to Mb

Petabit to Megabit Conversion Table

Petabit (Pb)	Megabit (Mb)
0.5	536,870,912
1	1,073,741,824
2	2,147,483,648
5	5,368,709,120
10	10,737,418,240
15	16,106,127,360
20	21,474,836,480
25	26,843,545,600
50	53,687,091,200
100	107,374,182,400
250	268,435,456,000
500	536,870,912,000
1000	1.073742e+12

Megabit to Petabit Conversion Table

Megabit (Mb)	Petabit (Pb)
0.5	4.656613e-10
1	9.313226e-10
2	1.862645e-9
5	4.656613e-9
10	9.313226e-9
15	1.396984e-8
20	1.862645e-8
25	2.328306e-8
50	4.656613e-8
100	9.313226e-8
250	2.328306e-7
500	4.656613e-7
1000	9.313226e-7

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Petabit (Pb)

Data

Conventional value

Decimal prefixes (kB, MB) are powers of 1000; binary prefixes (KiB, MiB) are powers of 1024 as standardised by IEC 80000-13.

Source: IEC 80000-13:2008, Quantities and units — Part 13: Information science and technology

International Electrotechnical Commission · Reviewed 2026-07-01

Megabit (Mb)

Data

Conventional value

Decimal prefixes (kB, MB) are powers of 1000; binary prefixes (KiB, MiB) are powers of 1024 as standardised by IEC 80000-13.

Source: IEC 80000-13:2008, Quantities and units — Part 13: Information science and technology

International Electrotechnical Commission · Reviewed 2026-07-01

How to Convert Petabit to Megabit

To convert from Petabit (Pb) to Megabit (Mb), multiply the value by 1,073,741,824.

Formula: Mb = Pb × 1.073742e+9

Reverse: Pb = Mb × 9.313226e-10

Step-by-Step Example

Start with your value in Petabit. For example: 5 Pb
Multiply by the conversion factor: 5 x 1,073,741,824
The result is: 5,368,709,120 Mb

About Petabit

The petabit (Pb) is a unit of digital storage. One petabit equals 1.407375 × 10^+14 bytes. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: data calculations, engineering and science, education.

About Megabit

The megabit (Mb) is a unit of digital storage. One megabit equals 131072 bytes. UnitConvertLab converts it against every other data unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: data calculations, engineering and science, education.

Frequently Asked Questions

How many Megabit are in 1 Petabit?

There are exactly 1,073,741,824 Megabit in 1 Petabit. This means the conversion factor from Petabit to Megabit is 1,073,741,824.

What is the formula to convert Petabit to Megabit?

The formula to convert Petabit to Megabit is: Mb = Pb × 1.073742e+9. For example, to convert 10 Petabit to Megabit, you would multiply 10 by 1,073,741,824.

What is a Petabit?