Type K Thermocouple mV Calculator

Convert Type K readings fast with cold junction compensation. Estimate mV, temperature, and slope clearly. Export charts, tables, and reports from one clean calculator.

Calculator

Enter mV measured between thermocouple leads.
Microvolts. Positive offset adds signal.
Microvolts.
Degrees Celsius.
Degrees Celsius around result.
Degrees Celsius between plotted points.

Example Data Table

These sample values use a 0 °C reference junction.

Temperature °C Reference mV Approximate sensitivity µV/°C
-200 -5.891404 15.259
-100 -3.553631 30.494
0 0.000000 39.450
100 4.096230 41.369
250 10.153369 40.710
500 20.644286 42.628
750 31.213454 41.472
1000 41.275606 38.981
1250 50.643879 35.724
1372 54.886364