MEGGER CALCULATOR
Enter values in the displays. Choose the correction table below.
Normalized to 1,000 ft and the selected reference temperature.
A corrected value alone does not establish pass/fail.
View correction table and calculation
| Cable temperature (°F) | Correction factor |
|---|
Corrected MΩ = measured MΩ × cable length (ft) ÷ 1,000 × temperature correction factor.
Between listed temperatures: linear interpolation. Outside the selected table range: no result.
Table values reproduced from the supplied Megger Calculator workbook. Source identified in the workbook: Megger Test guide.pdf, Rev01 Nov 2026, sections 5.1–5.2.