Engineering Value to 4–20 mA
Use the same engineering unit (EU), such as °C, bar or mm, for both endpoints and the engineering value. Current is in mA. This is a linear scale; out-of-range results are flagged extrapolations.
Calculate an engineering value from currentThe other calculator opens its example inputs; re-enter your range there.
Check the loop supply and resistance budget
Inputs
Results
Enter inputs and click calculate to see the result.
References
- NI: Custom Scales, linear input/output scalingSource accessed 2026-09-08