Statistics

Coefficient of Determination Calculator (R-squared)

This coefficient of determination calculator finds the R-squared of any bivariate datas...

Results

Predicted Y
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Residual
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About the Coefficient of Determination Calculator (R-squared)

This calculator helps you quickly compute results with precision. Simply enter your values and get instant results.

How to Use

  1. Enter the required values in the input fields
  2. Results update automatically in real-time
  3. Review the calculation steps for transparency

Formula

y = mx + b, r = Cov(x,y)/(σx·σy)

Examples

Try different input values to see how the result changes. This helps you understand the relationship between variables.

Formula

y = mx + b, r = Cov(x,y)/(σx·σy)

Our calculator uses standard mathematical formulas to provide accurate results. Always verify critical calculations independently.

Yes, all our calculators are completely free with no registration required.

Yes, use the embed feature to add this calculator to your website.

User Reviews

4.8
Based on 226 reviews
Yuki T.
6 months ago

I reference this Coefficient of Determination Calculator (R-squared) in my blog posts. Readers appreciate having a free tool they can trust.

Priya K.
1 year ago

Used this Coefficient of Determination Calculator (R-squared) during a live webinar demo. Loaded instantly and impressed the whole audience.

Chloe B.
3 months ago

Used the Coefficient of Determination Calculator (R-squared) during a road trip to plan fuel costs. Simple inputs, instant answer — very handy.

Laura Q.
1 week ago

Used the Coefficient of Determination Calculator (R-squared) to double-check my homework. Results matched my textbook perfectly. Highly recommend for students.