Convert Ohms to Picoohms
Convert Ohms (Ω) to Picoohms (pΩ) instantly and accurately.
Conversion Formula
pΩ = Ω × 1000000000000
About Ohms
The ohm (Ω) is the SI derived unit of electrical resistance, equal to 1 volt per ampere (1 V/A = 1 kg·m²·A⁻²·s⁻³), named after Georg Simon Ohm who published V = IR in 1827. Common benchmarks: a standard earphone is 32 Ω, a coaxial cable has 50 or 75 Ω characteristic impedance, and a typical carbon-film resistor spans 1 Ω to 10 MΩ. The ohm is realised internationally via the quantum Hall resistance standard Rₖ = h/e² ≈ 25 812.807 Ω.
About Picoohms
The picoohm (pΩ) equals 10⁻¹² Ω, used for ultra-low resistance measurements in superconductors and precision four-wire metrology. A superconducting wire transitioning through its critical temperature shows residual resistance at the picoohm level; high-precision Josephson-array resistance bridges operated at national metrology institutes resolve differences below 1 pΩ. 1 pΩ = 10⁻³ nΩ = 10⁻¹² Ω.
Quick Reference Table
| Ohms (Ω) | Picoohms (pΩ) |
|---|---|
| 1 Ω | 1 × 1012 pΩ |
| 2 Ω | 2 × 1012 pΩ |
| 5 Ω | 5 × 1012 pΩ |
| 10 Ω | 1 × 1013 pΩ |
| 25 Ω | 2.5 × 1013 pΩ |
| 50 Ω | 5 × 1013 pΩ |
| 100 Ω | 1 × 1014 pΩ |