- Symbol
- Z₀
- Value
- 376.730 313 412
- Unit
- Ω
- Uncertainty
- 0.000 000 059
- Copy-ready
376.730313412
μ₀c — the ratio of electric to magnetic field strength in a plane wave travelling through vacuum.
NIST, Fundamental Physical Constants — Complete Listing (2022 CODATA adjustment), retrieved 2026-07-26.
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