Statistics & Probability

Instant, private, and free

Confidence Interval Calculator.

Calculate a mean interval using an explicitly supplied critical value.

On-device calculationNo signup
01

Set your values

Results update as you type.

Margin of error: 1.96

Margin of error

0.000000
Lower bound: 48.04

Lower bound

0.000000
Upper bound: 51.96

Upper bound

0.000000

Results update automatically as you type.

FAQs

What does the confidence interval calculator calculate?

Calculate a mean interval using an explicitly supplied critical value.