Terabit digital storage unit.
Terabits to Petabits Converter — Tb to Pb
Convert Terabit (Tb) to Petabit (Pb) using the exact conversion factor (1 terabit = 0.001 petabit). See the formula, worked examples, and conversion table.
Terabits to Petabits converter
Converter
Digital Storage Converter
Convert bits, bytes, decimal storage, binary storage, nibbles, and word sizes.
Context values
Some unit families need one extra value for a physically accurate result.
Petabit digital storage unit.
Result = input x 1e+12 / 1e+15.
Digital storage uses bits as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Terabits to Petabits
Terabit and Petabit are everyday digital-storage units, used for everything from file sizes and app downloads to storage device capacity and mobile data allowances. Specifically: Terabit digital storage unit, and petabit digital storage unit.
Formula
petabits = terabits × 0.001
This factor comes from each unit's defined relationship to the category's base unit: 1 terabit equals 1e+12 base units, and 1 petabit equals 1e+15 base units, so dividing one by the other gives the direct terabit-to-petabit factor of 0.001.
Simple example
1 Tb × 0.001 = 0.001 Pb
1 terabit = 0.001 petabits.
Real-world example
500 Tb × 0.001 = 0.5 Pb
500 terabits = 0.5 petabits.
Conversion table
| Terabit (Tb) | Petabit (Pb) |
|---|---|
| 1 Tb | 0.001 Pb |
| 8 Tb | 0.008 Pb |
| 16 Tb | 0.016 Pb |
| 64 Tb | 0.064 Pb |
| 256 Tb | 0.256 Pb |
| 1,000 Tb | 1 Pb |
Reverse conversion: Petabit to Terabit
0.001 Pb × 1000 = 1 Tb
0.001 petabits = 1 terabit.
terabits = petabits × 1000
For a page dedicated to this direction, see Petabit to Terabit.
Understanding the Terabit (Tb)
Terabit digital storage unit.
Understanding the Petabit (Pb)
Petabit digital storage unit.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many petabits are in 1 terabit?
1 terabit equals 0.001 petabits, using the exact defined conversion factor rather than an estimate.
How do I convert terabit to petabit?
Multiply the terabit value by 0.001. The converter above does this instantly to whatever precision you set.
How do I convert petabit back to terabit?
Use the reverse factor: 1 petabit equals 1,000 terabits. You can also use the swap control in the converter above to flip the direction instantly.
What is a terabit?
Terabit (Tb) is a unit of digital storage.
What is a petabit?
Petabit (Pb) is a unit of digital storage.
Is the terabit to petabit conversion exact?
Yes. Both terabit and petabit are defined by fixed standards rather than physical artifacts, so the factor of 0.001 used above is exact to as many digits as you choose to display.