Student t / F-distribution
Calculate Student t / F-distribution instantly with the exact formula and a worked example.
Student t / F-distribution
t value
Degrees of freedom df
p-value (two-tailed)
0.03145
At α = 0.05
Significant
One-tailed p
0.0157
Critical t (α = 0.05, two-tailed)
2.228
F(1, df) = t²
6.25
More about: Student t / F-distribution
What it calculates
The “Student t / F-distribution” calculator computes p-value (two-tailed) from 2 parameters: t value, degrees of freedom df.
A core calculation for studying, engineering tasks, and checking solutions.
Example calculation
With parameters t value = 2.5, Degrees of freedom df = 10 the result is 0.0315.
How to use
- Enter t value and degrees of freedom df — each field above is adjustable with a slider.
- p-value (two-tailed) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Student t / F-distribution calculated?
The Student t / F-distribution calculator computes p-value (two-tailed) from t value, degrees of freedom df. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Student t / F-distribution calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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