R² Coefficient of Determination
Calculate R² Coefficient of Determination instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.
R² Coefficient of Determination
1 − SS_res/SS_tot%
%
R²
85
More about: R² Coefficient of Determination
What it calculates
The “R² Coefficient of Determination” calculator computes R² from 2 parameters: 1 − ss_res/ss_tot (%), %.
A core calculation for studying, engineering tasks, and checking solutions.
Example calculation
With parameters 1 − SS_res/SS_tot = 100 %, % = 85 the result is 85.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
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