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V/m to dBµV/m Converter

Convert electric field strength between linear (V/m) and log (dBµV/m) units.

Use this when: You need to switch between V/m and dBµV/m field strength values.

Reference only. Verify against your calibrated setup, antenna calibration data, and the applicable standard before making compliance decisions.

Frequently asked questions

Quick answers about using this calculator

How do I convert V/m to dBµV/m?
dBµV/m = 20 × log₁₀(V/m × 10⁶). For example, 1 V/m equals 120 dBµV/m.
When do I use V/m vs dBµV/m?
Radiated emission limits and receiver readings are usually in dBµV/m. Linear V/m is common in antenna theory and near-field calculations.

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