TB to PB
A thousand terabytes make one petabyte. Personal storage is counted in TB while data centres and large-scale backups work in PB.
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Common values
Formula
PB = TB × 0.001
Drive makers count 1 TB as a trillion bytes; operating systems count in 1,024s, which is why the displayed capacity looks about nine per cent smaller.
Frequently asked questions
Q. How many PB is 1 TB?
1 TB is 0.001 PB, and 10 TB is 0.01 PB. Type any value in the box above to convert instantly.
Q. And how many TB is 1 PB?
1 PB is 1000 TB. This converter works both ways, so typing in the right box updates the left one.
Q. Where is this unit used?
Drive makers count 1 TB as a trillion bytes; operating systems count in 1,024s, which is why the displayed capacity looks about nine per cent smaller.
Other converters
Traditional units (geun, doe, majigi and so on) vary by region and product.