Petabyte to Megabyte 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 petabyte so you can sanity-check the result.

Phone photo (1/2.8e+8 your value)4.44e-10 PB

MP3 song (1/2.3e+8 your value)5.55e-10 PB

CD-ROM (1/1.6e+6 your value)7.77e-8 PB

HD movie (1/2.8e+5 your value)4.44e-7 PB

Laptop SSD (1/2.2e+3 your value)0.0000568 PB

Your value0.125 PB

Other Petabyte to Megabyte 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

Petabyte to Megabyte Conversion Table

Petabyte (PB)	Megabyte (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

Megabyte to Petabyte Conversion Table

Megabyte (MB)	Petabyte (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.

Petabyte (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

Megabyte (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 Petabyte to Megabyte

To convert from Petabyte (PB) to Megabyte (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 Petabyte. For example: 5 PB
Multiply by the conversion factor: 5 x 1,073,741,824
The result is: 5,368,709,120 MB

About Petabyte

The petabyte (PB) is a unit of digital storage. One petabyte equals 1.125900 × 10^+15 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 Megabyte

The megabyte (MB) is a unit of digital storage. One megabyte equals 1.048576 × 10^+6 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 Megabyte are in 1 Petabyte?

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

What is the formula to convert Petabyte to Megabyte?

The formula to convert Petabyte to Megabyte is: MB = PB × 1.073742e+9. For example, to convert 10 Petabyte to Megabyte, you would multiply 10 by 1,073,741,824.

What is a Petabyte?