Petahertz is 1000000000000000 hertz units.
Petahertz to Terahertz Converter — PHz to THz
Convert Petahertz (PHz) to Terahertz (THz) using the exact conversion factor (1 petahertz = 1,000 terahertz). See the formula, worked examples, and conversion table.
Petahertz to Terahertz converter
Converter
Frequency Converter
Convert hertz, SI frequency prefixes, RPM, beats per minute, and angular frequency.
Context values
Some unit families need one extra value for a physically accurate result.
Terahertz is 1000000000000 hertz units.
Result = input x 1e+15 / 1e+12.
Frequency uses hertz as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Petahertz to Terahertz
Petahertz and Terahertz both describe how fast something cycles or rotates, and the conversion is a routine part of reading a car tachometer or motor spec sheet against a scientific frequency figure. Specifically: Petahertz is 1000000000000000 hertz units, and terahertz is 1000000000000 hertz units.
Formula
terahertz = petahertz × 1000
This factor comes from each unit's defined relationship to the category's base unit: 1 petahertz equals 1e+15 base units, and 1 terahertz equals 1e+12 base units, so dividing one by the other gives the direct petahertz-to-terahertz factor of 1000.
Simple example
1 PHz × 1000 = 1,000 THz
1 petahertz = 1,000 terahertz.
Real-world example
1,000 PHz × 1000 = 1,000,000 THz
1,000 petahertz = 1,000,000 terahertz.
Conversion table
| Petahertz (PHz) | Terahertz (THz) |
|---|---|
| 60 PHz | 60,000 THz |
| 600 PHz | 600,000 THz |
| 1,000 PHz | 1,000,000 THz |
| 3,000 PHz | 3,000,000 THz |
| 6,000 PHz | 6,000,000 THz |
| 10,000 PHz | 10,000,000 THz |
Reverse conversion: Terahertz to Petahertz
1 THz × 0.001 = 0.001 PHz
1 terahertz = 0.001 petahertz.
petahertz = terahertz × 0.001
For a page dedicated to this direction, see Terahertz to Petahertz.
Understanding the Petahertz (PHz)
Petahertz is 1000000000000000 hertz units.
Understanding the Terahertz (THz)
Terahertz is 1000000000000 hertz units.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many terahertz are in 1 petahertz?
1 petahertz equals 1,000 terahertz, using the exact defined conversion factor rather than an estimate.
How do I convert petahertz to terahertz?
Multiply the petahertz value by 1000. The converter above does this instantly to whatever precision you set.
How do I convert terahertz back to petahertz?
Use the reverse factor: 1 terahertz equals 0.001 petahertz. You can also use the swap control in the converter above to flip the direction instantly.
What is a petahertz?
Petahertz (PHz) is a unit of frequency.
What is a terahertz?
Terahertz (THz) is a unit of frequency.
Is the petahertz to terahertz conversion exact?
Yes. Both petahertz and terahertz are defined by fixed standards rather than physical artifacts, so the factor of 1000 used above is exact to as many digits as you choose to display.