Table Of Contents
Petabit to megabits Conversion
1 petabit (Pbit) is equal to 1000000000 megabits (Mb).
1 Pbit = 1000000000 Mb
or
1 Mb = 0.000000001 Pbit
Formula
To convert a digital storage from petabit (Pbit) to megabits (Mb), multiply the digital storage in petabit by 1000000000
d(Mb) = d(Pbit) × 1000000000
Examples:
Convert 128 petabit to megabits:
d(Mb) = 128Pbit × 1000000000 = 128000000000 Mb
Conversion table
| Petabit (Pbit) | Megabits (Mb) |
|---|---|
| 1 Pbit | 1e9 Mb |
| 2 Pbit | 2e9 Mb |
| 3 Pbit | 3e9 Mb |
| 5 Pbit | 5e9 Mb |
| 8 Pbit | 8e9 Mb |
| 10 Pbit | 1e10 Mb |
| 16 Pbit | 1.6e10 Mb |
| 20 Pbit | 2e10 Mb |
| 25 Pbit | 2.5e10 Mb |
| 32 Pbit | 3.2e10 Mb |
| 64 Pbit | 6.4e10 Mb |
| 128 Pbit | 1.28e11 Mb |
| 256 Pbit | 2.56e11 Mb |
| 512 Pbit | 5.12e11 Mb |
| 1024 Pbit | 1.024e12 Mb |
| Megabits (Mb) | Petabit (Pbit) |
|---|---|
| 1 Mb | 1e-9 Pbit |
| 2 Mb | 2e-9 Pbit |
| 3 Mb | 3e-9 Pbit |
| 5 Mb | 5e-9 Pbit |
| 8 Mb | 8e-9 Pbit |
| 10 Mb | 1e-8 Pbit |
| 16 Mb | 1.6e-8 Pbit |
| 20 Mb | 2e-8 Pbit |
| 25 Mb | 2.5e-8 Pbit |
| 32 Mb | 3.2e-8 Pbit |
| 64 Mb | 6.4e-8 Pbit |
| 128 Mb | 1.28e-7 Pbit |
| 256 Mb | 2.56e-7 Pbit |
| 512 Mb | 5.12e-7 Pbit |
| 1024 Mb | 1.024e-6 Pbit |
Frequently asked questions
How do I convert petabit to megabits?
Multiply the value in petabit by 1000000000 to get the result in megabits. For example, 5 Pbit × 1000000000 = 5e9 Mb.
How many megabits are in 1 petabit?
1 petabit (Pbit) is equal to 1e9 megabits (Mb).
How do I convert megabits back to petabit?
Use the inverse operation: divide the value in megabits by 1000000000 to get the result in petabit.
How accurate is the petabit to megabits conversion?
The converter multiplies by the conversion factor 1000000000 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
- IEC 80000-13:2025 — Quantities and units — Part 13: Information science and technology (Edition 2, 2025-02)
- BIPM — The International System of Units (SI Brochure, 9th edition)
- Definitions of the SI units: The binary prefixes (NIST Reference on Constants, Units and Uncertainty)
- NIST Guide to the SI (NIST SP 811), Chapter 4: The Two Classes of SI Units and the SI Prefixes
