Terabyte to Petabyte Converter
Digital storage · unit-converter
Convert Terabyte to Petabyte with fixed input and output units, a step-by-step formula line, and reference tables. This hub uses decimal byte units (kB, MB, GB, …) and decimal megabits; the main converter also includes binary (KiB, MiB, …) units.
Calculator
From: Terabyte (tb)
To: Petabyte (pb)
About Terabyte
The terabyte (TB) is 10¹² bytes in this tool (decimal SI). Large drives and cloud tiers are usually quoted in TB using powers of ten.
About Petabyte
The petabyte (PB) is 10¹⁵ bytes. Datacenter capacity and archival scale often reach PB using decimal definitions.
How to convert terabytes to petabytes
1 terabyte is equal to 0.001 petabyte in this tool (values are compared in byte-equivalents):
1 tb = (1,000,000,000,000 B ÷ 1,000,000,000,000,000 B) pb = 0.001 pb
Each terabyte counts as 1,000,000,000,000 bytes and each petabyte as 1,000,000,000,000,000 bytes, so one tb equals 1,000,000,000,000 ÷ 1,000,000,000,000,000 pb = 0.001 pb.
Let d(tb) be the numeric amount in Terabyte (tb), and d(pb) the amount in Petabyte (pb). Then:
d(pb) = d(tb) × (1,000,000,000,000 / 1,000,000,000,000,000)
Equivalently, divide by how many tb fit into one pb (bytes per pb divided by bytes per tb):
d(pb) = d(tb) ÷ 1000
Or: petabyte = terabyte ÷ 1000
Examples
Example #1: Convert 1 tb to petabyte
1 tb = 1 tb × (1,000,000,000,000/1,000,000,000,000,000) pb = 0.001 pb
1 tb = 1 tb ÷ 1000 = 0.001 pb
Example #2: Convert 10 tb to petabyte
10 tb = 10 tb × (1,000,000,000,000/1,000,000,000,000,000) pb = 0.01 pb
10 tb = 10 tb ÷ 1000 = 0.01 pb
Summary
To convert Terabyte to Petabyte, multiply the value in tb by the ratio of bytes per tb divided by bytes per pb. Equivalently: value_pb = value_tb × (1000000000000 / 1000000000000000). Numerically, 1 tb equals 0.001 pb.
Relationship context
Both units are byte-based units (decimal SI: kB, MB, GB, …). Factors are fixed relative to one byte, so conversions are exact in floating-point arithmetic for this tool. The factor from Terabyte to Petabyte is 1.000000e-3 (1 tb = 0.001 pb).
Conversion tables
| Terabyte (tb) | Petabyte (pb) |
|---|---|
| 0.1 | 0.0001 |
| 1 | 0.001 |
| 2 | 0.002 |
| 3 | 0.003 |
| 4 | 0.004 |
| 5 | 0.005 |
| 6 | 0.006 |
| 7 | 0.007 |
| 8 | 0.008 |
| 9 | 0.009 |
| Terabyte (tb) | Petabyte (pb) |
|---|---|
| 10 | 0.01 |
| 20 | 0.02 |
| 30 | 0.03 |
| 40 | 0.04 |
| 50 | 0.05 |
| 60 | 0.06 |
| 70 | 0.07 |
| 80 | 0.08 |
| 90 | 0.09 |
| 100 | 0.1 |
Conversions outside the hub list
The grid on the category page lists hub units only. These pairs include at least one unit outside that hub set (same tools: formulas and tables on each page).
- terabyte to pebibyteTerabyte to Pebibyte
- terabyte to pebibitTerabyte to Pebibit
- terabyte to petabitTerabyte to Petabit
- terabyte to tebibyteTerabyte to Tebibyte
- terabyte to tebibitTerabyte to Tebibit
- terabyte to terabitTerabyte to Terabit
- terabyte to gibibyteTerabyte to Gibibyte
- terabyte to gibibitTerabyte to Gibibit
- terabyte to gigabitTerabyte to Gigabit
- terabyte to mebibyteTerabyte to Mebibyte
- terabyte to mebibitTerabyte to Mebibit
- terabyte to kibibyteTerabyte to Kibibyte