Convert terabytes to petabytes

1 TB = 0.001 PB. Change the amount below, or read the formula and the reference table further down.

1 terabyte equals

0.001petabytes

1 TB = 0.001 PB

The formula

Terabytes and petabytes both measure data & storage from the same zero, so a single multiplier does the job.

PB = TB × 0.001

Going the other way? Convert petabytes to terabytes.

Terabytes to petabytes table

Common values, rounded for reading.

Terabytes (TB)Petabytes (PB)
10.001
20.002
30.003
40.004
50.005
60.006
70.007
80.008
90.009
100.01
150.015
200.02
250.025
300.03
400.04
500.05
750.075
1000.1
2500.25
5000.5
1,0001

Questions people ask

How many petabytes are in a terabyte?
One terabyte equals 0.001 petabytes.
How do I convert terabytes to petabytes by hand?
Multiply the number of terabytes by 0.001. For a rough check, 0.001 is close enough for most everyday use.
What is 1 terabyte in petabytes?
1 terabyte is 0.001 petabytes.

Calcuit generates this page from a unit table, so the factors here match every other page on the site.

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