Chi-Square Test Calculator
Enter Contingency Table
Quick Examples
2×2 Table
2×3 Table
3×3 Table
3×4 Table
Observed Frequencies
(rows on separate lines, columns by spaces/commas)
Significance Level (α)
α = 0.10 (90% confidence)
α = 0.05 (95% confidence)
α = 0.01 (99% confidence)
α = 0.001 (99.9% confidence)
Decimal Precision
2 decimal places
3 decimal places
4 decimal places
5 decimal places
6 decimal places
7 decimal places
8 decimal places
9 decimal places
10 decimal places
Calculate Chi-Square Test