How many megabytes are in 1 petabyte?

1 petabyte equals 1000000000 MB.

How do I convert megabytes back to petabytes?

Use the reverse converter: 1 megabyte equals 1e-9 PB.

Is this converter accurate?

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

Petabytes to Megabytes Converter (PB to MB)

Formula

To convert petabytes to megabytes, multiply the value by 1000000000.

MB = PB × 1000000000

Example calculation

Convert 10 PB to MB:

10 PB × 1000000000 = 10000000000 MB

Conversion table

petabytes → megabytes
PB	MB
1	1000000000.0000
2	2000000000.0000
3	3000000000.0000
4	4000000000.0000
5	5000000000.0000
6	6000000000.0000
7	7000000000.0000
8	8000000000.0000
9	9000000000.0000
10	10000000000.0000
15	15000000000.0000
20	20000000000.0000
25	25000000000.0000
30	30000000000.0000
35	35000000000.0000
40	40000000000.0000
45	45000000000.0000
50	50000000000.0000
55	55000000000.0000
60	60000000000.0000
65	65000000000.0000
70	70000000000.0000
75	75000000000.0000
80	80000000000.0000
85	85000000000.0000
90	90000000000.0000
95	95000000000.0000
100	100000000000.0000
200	200000000000.0000
500	500000000000.0000
1000	1e+12

Decimal vs binary: KB, MB and GB use powers of 1,000 (SI), while KiB, MiB and GiB use powers of 1,024. Storage makers use decimal units; many operating systems and memory sizes use binary ones, which is why a "500 GB" drive shows less space.

About the units

Petabyte (PB): 10^15 bytes in the decimal system, used in data centres and big data.
Megabyte (MB): 1,000,000 bytes in the decimal system, used by storage makers and file sizes.

Frequently asked questions

How do I convert petabytes to megabytes?: To convert petabytes to megabytes, multiply the value by 1000000000.
How many megabytes are in 1 petabyte?: 1 petabyte equals 1000000000 MB.
How many megabytes are in 10 petabytes?: 10 PB equals 10000000000 MB.
How do I convert megabytes back to petabytes?: Use the reverse converter: 1 megabyte equals 1e-9 PB.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.