Digital Data Storage
PBtoPiB
Convert petabytes (PB) to pebibytes (PiB).
Factor1 PB = 0.8881784 PiB
Converter
PB
Accepts numbers or expressions, e.g. 150 + 14.7
Result
PiB
Rendered to 6 significant figures.
Formula
Formula
PiB = PB × 0.8881784
Multiply any value in petabytes by 0.8881784 to obtain the value in pebibytes.
Worked example
Convert 1.1259e+15 PB to PiB.
- 01Start with 1.1259e+15 PB.
- 02Multiply by the conversion factor: 1.1259e+15 × 0.8881784 = 1e+15 PiB.
Result1.1259e+15 PB = 1e+15 PiB
Conversion table
| PB | PiB |
|---|---|
| 1 | 0.88818 |
| 2 | 1.7764 |
| 5 | 4.4409 |
| 10 | 8.8818 |
| 20 | 17.764 |
| 50 | 44.409 |
| 100 | 88.818 |
| 200 | 177.64 |
| 500 | 444.09 |
| 1000 | 888.18 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from PB to PiB?
1 PB equals 0.8881784 PiB. To convert, multiply the value in petabytes by 0.8881784.
How do I convert 1 PB to PiB?
1 PB = 0.888178 PiB. For any value, multiply by 0.8881784.
How do I convert PiB back to PB?
Divide by the same factor — or equivalently, multiply by 1.1259. So 1 PiB = 1.1259 PB.
When would I need to convert petabyte to pebibyte?
Digital data-storage conversions between PB and PiB are routine in IT, networking, storage-array engineering, datacenter capacity planning, cloud-cost reconciliation, embedded systems and scientific data acquisition. Decimal (SI) units (kB, MB, GB, TB, PB) use base-10 multiples: 1 kB = 1,000 bytes. Binary (IEC 80000-13) units (KiB, MiB, GiB, TiB, PiB) use base-2 multiples: 1 KiB = 1,024 bytes. 1 byte = 8 bits exactly across both ladders. This category is storage size only — it does NOT cover data-transfer rate (bit/s, MB/s), download-time, bandwidth, compression-ratio assumptions or storage-pricing calculators, all of which require additional information beyond a single linear factor.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).