Peta (P)
The SI prefix peta (P): a factor of 10¹⁵, which is one quadrillion (10¹⁵).
What is a peta unit?
- Symbol
- P
- Quantity
- SI Prefixes
- Unit system
- SI
- Definition
- The SI prefix peta (P): a factor of 10¹⁵, which is one quadrillion (10¹⁵).
- Exact
- Yes, the value is exact by definition
- Source
- SI Brochure, 9th edition (BIPM, 2019)
Common applications
Used for petabytes of storage in data centers and for petaflops, a measure of supercomputer speed.
Peta in other si prefixes units
- 1 P = 1e-15 QQuetta
- 1 P = 1e-12 RRonna
- 1 P = 1e-9 YYotta
- 1 P = 0.000001 ZZetta
- 1 P = 0.001 EExa
- 1 P = 1000 TTera
- 1 P = 1000000 GGiga
- 1 P = 1000000000 MMega
- 1 P = 1000000000000 kKilo
- 1 P = 10000000000000 hHecto
- 1 P = 100000000000000 daDeca
- 1 P = 1e+16 dDeci
- 1 P = 1e+17 cCenti
- 1 P = 1e+18 mMilli
- 1 P = 1e+21 µMicro
- 1 P = 1e+24 nNano
- 1 P = 1e+27 pPico
- 1 P = 1e+30 fFemto
- 1 P = 1e+33 aAtto
- 1 P = 1e+36 zZepto
- 1 P = 1e+39 yYocto
- 1 P = 1e+42 rRonto
- 1 P = 1e+45 qQuecto
- 1 P = 1e+15 ×1Base unit (no prefix)
Peta quick reference
| Peta | Kilo | Milli | Quetta |
|---|---|---|---|
| 1 P | = 1000000000000 k | = 1e+18 m | = 1e-15 Q |
| 10 P | = 10000000000000 k | = 1e+19 m | = 1e-14 Q |
| 100 P | = 100000000000000 k | = 1e+20 m | = 1e-13 Q |
| 1000 P | = 1e+15 k | = 1e+21 m | = 1e-12 Q |
Where the peta unit fits
The next smaller si prefixes unit is the tera unit (T). 1 P = 1000 T, and 1 T = 0.001 P.
The next larger si prefixes unit is the exa unit (E). 1 P = 0.001 E, and 1 E = 1000 P.
Frequently asked questions
- How many kilo units are in one peta unit?
- One peta unit = 1000000000000 k (kilo units).
- How many milli units are in one peta unit?
- One peta unit = 1e+18 m (milli units).
- How many quetta units are in one peta unit?
- One peta unit = 1e-15 Q (quetta units).