Megabytes to Petabytes Converter
Enter the data size in megabytes below to convert it to petabytes.
Convert Megabytes to Petabytes
Enter a value in megabytes (MB) to convert to petabytes (PB).
Megabyte to Petabyte Conversion Table
Table showing various megabyte measurements converted to petabytes. Click any preset value or arrow to load it into the converter.
| Megabytes (MB) | Petabytes (PB) |
|---|---|
| 1 MB | 1e-9 PB |
| 10 MB | 0.00000001 PB |
| 100 MB | 0.0000001 PB |
| 1,000 MB | 0.000001 PB |
| 10,000 MB | 0.00001 PB |
| 100,000 MB | 0.0001 PB |
| 1,000,000 MB | 0.001 PB |
| 5,000,000 MB | 0.005 PB |
| 10,000,000 MB | 0.01 PB |
| 25,400,000 MB | 0.0254 PB |
How to Convert Megabytes to Petabytes
To convert megabytes to petabytes, multiply the data size by the following conversion ratio: 1e-9 petabytes/megabyte.
Since one megabyte is equal to 1e-9 petabytes, you can use this simple formula to convert:
The data size in petabytes is equal to the data size in megabytes multiplied by 1e-9.
For example, here's how to convert 5 megabytes to petabytes using the formula above.
How Many Petabytes Are in a Megabyte?
There are 1e-9 petabytes in a megabyte, which is why we use this value in the formula above.
Our megabyte to petabyte calculator automatically converts your data size measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Megabytes and petabytes are both units used to measure data size. Keep reading to learn more about each unit.
What Is a Megabyte?
A megabyte is a unit of data size equal to 1,000,000 bytes (B), the base unit for data size. SI decimal standard: 1,000,000 bytes. [1]
The megabyte is classified as a metric and SI-compatible unit of data size. Megabytes can be abbreviated as MB; for example, 1 megabyte can be written as 1 MB.
In the metric system, "mega" is the standard SI prefix for millions, or 10⁶. This makes the megabyte (MB) a convenient decimal multiple of the byte (B).
In practice, megabytes (MB) are widely used across large-scale industrial, bulk, and macro-level data size specifications within SI metric workflows, engineering documentation, and technical data sheets.
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). [2]
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.
When converting data size between megabytes (MB) and petabytes (PB), keep full floating-point precision (1 MB = 1e-9 PB; 1 PB = 1,000,000,000 MB) during intermediate calculations and round only the final petabyte figure to match your instrument tolerance.
More Megabyte & Petabyte Conversions
Need to calculate in the opposite direction? Use our petabytes to megabytes calculator to switch your starting unit immediately. You can also explore related tools such as converting petabytes to megabytes, converting megabytes to gigabytes, or converting megabytes to kilobytes.
Frequently Asked Questions
References
- [1]NIST / IEC StandardNIST / IEC (IEC 80000-13 Binary Prefixes)·Digital Storage Metrology Standard — Megabytes (MB) to Petabytes (PB)
- [2]BIPM SpecificationBIPM (SI Decimal Prefixes (k, M, G, T, P))·Unit Specifications: Megabyte (Decimal) (MB) & Petabyte (Decimal) (PB)
- [3]NIST CUU ReferenceNIST CUU (SI Prefixes & Decimal Multiples)·Conversion Factors & Mathematical Basis (MB to PB)