billycalc

ICC (Intraclass)

Calculate ICC (Intraclass) instantly with the exact formula and a worked example. Free online calculator — no signup.

ICC (Intraclass)

BMS (between subjects)
WMS (within)
Raters k
ICC
0.75
ICC = (BMS − WMS) / (BMS + (k−1)·WMS)Calculate ICC (Intraclass) instantly with the exact formula and a worked example. Free online calculator — no signup.
BMS
5
WMS
0,5
ICC
0,75
Reliability
good

More about: ICC (Intraclass)

What it calculates

The “ICC (Intraclass)” calculator computes ICC from 3 parameters: bms (between subjects), wms (within), raters k.

A core calculation for studying, engineering tasks, and checking solutions.

Example calculation

With parameters BMS (between subjects) = 5, WMS (within) = 0.5, Raters k = 3 the result is 0.75 (ICC = (BMS − WMS) / (BMS + (k−1)·WMS)).

How to use

  1. Enter the parameter values — every field above is adjustable with a slider.
  2. The result and related metrics are calculated automatically as you type.
  3. Use the additional metrics shown (if any) where needed.
  4. Copy the result or bookmark the page.

Related calculators