๐ Statistics
Correlation Calculator
Correlation measures how strongly two variables move together, on a scale from minus one to plus one. It says nothing about causation โ a strong correlation can exist with no causal link at all.
How it works
X values (comma separated)
Y values (comma separated)
Correlation coefficient (r)
R squared
Covariance
Mean of X
Mean of Y
Pairs
Frequently asked questions
How do I use the Correlation Calculator?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.