4-20 Temperature Calculator

A practical 4-20 mA calculator for temperature transmitters.

Convert:
- mA to temperature
- temperature to mA

Features:
- custom min/max process range
- Celsius and Fahrenheit support
- quick preset values
- adjustable decimal precision
- instant results
- range validation
- built-in feedback form

Useful for commissioning, troubleshooting, and everyday field checks.