Convert PB to MB
petabytes to megabytes. Enter a value to convert, or use the PB to MB chart further down the page.
1 petabyte equals 1,073,740,000 megabytes. Going the other way, 1 megabyte = 9.31323e-10 petabytes.
Note. This converter uses the binary convention: 1 KB = 1024 bytes, 1 MB = 1024 KB, 1 GB = 1024 MB. That is what Windows, macOS and Linux report. Storage manufacturers instead use decimal SI units where 1 GB = 1,000,000,000 bytes, which is why a “1 TB” drive shows up as about 931 GB.
How to convert PB to MB
To convert petabytes to megabytes, multiply the petabyte value by 1073741824. You can also divide by 9.313225746e-10 to get the same answer.
MB = PB × 1073741824
Worked example
Convert 8 PB to megabytes:
8 PB = 8,589,930,000 MB
PB to MB conversion chart
Use this PB to MB table for quick reference without typing anything.
| petabytes (PB) | megabytes (MB) |
|---|---|
| 1 PB | 1,073,740,000 MB |
| 2 PB | 2,147,480,000 MB |
| 4 PB | 4,294,970,000 MB |
| 8 PB | 8,589,930,000 MB |
| 16 PB | 17,179,900,000 MB |
| 32 PB | 34,359,700,000 MB |
| 64 PB | 68,719,500,000 MB |
| 128 PB | 137,439,000,000 MB |
| 256 PB | 274,878,000,000 MB |
| 512 PB | 549,756,000,000 MB |
| 1,024 PB | 1,099,510,000,000 MB |
What is a petabyte?
A petabyte is 1,024 terabytes. It is the scale at which data centre storage and large scientific datasets are measured.
What is a megabyte?
A megabyte is 1,024 kilobytes, or 1,048,576 bytes, under the binary convention.
Frequently asked questions
How many MB are in a petabyte?
1 PB equals 1,073,740,000 MB. Going the other way, 1 MB is 9.31323e-10 PB.
How do you convert PB to MB?
To convert petabytes to megabytes, multiply the petabyte value by 1073741824. You can also divide by 9.313225746e-10 to get the same answer.
What is 10 PB in MB?
10 PB equals 10,737,400,000 MB. The conversion chart on this page lists the other values people look up most often.
Related data storage conversions
Convert PB to other units
Convert other units to MB
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