petahertz
Frequencyexact by definition
The petahertz is 10¹⁵ hertz. Visible light lives here: 550 nm green light oscillates at about 545 THz, or 0.545 PHz, and ultraviolet runs above one petahertz. It is also the natural frequency unit for attosecond science, since a petahertz cycle lasts one femtosecond.
| 1 | 1.0000000e+15 |
One petahertz in every frequency unit
| 1.00000e+24 | nanohertz (nHz) | |
| 3.15576e+22 | per year (1/yr) | |
| 1.00000e+21 | microhertz (μHz) | |
| 8.64000e+19 | per day (1/d) | |
| 3.60000e+18 | per hour (1/h) | |
| 1.00000e+18 | millihertz (mHz) | |
| 6.00000e+16 | revolution per minute (rpm) | |
| 6.00000e+16 | cycle per minute (cpm) | |
| 6.00000e+16 | beat per minute (bpm) | |
| 1.00000e+15 | hertz (Hz) | |
| 1.00000e+15 | cycle per second (cps) | |
| 1.00000e+15 | revolution per second (rev/s) | |
| 1,000,000,000,000 | kilohertz (kHz) | |
| 1,000,000,000 | megahertz (MHz) | |
| 1,000,000 | gigahertz (GHz) | |
| 1,000 | terahertz (THz) | |
| 1 | petahertz (PHz)this unit |
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