Statistics & Probability
Instant, private, and free
Empirical Rule Calculator.
Calculate one-, two-, and three-standard-deviation bounds.
On-device calculationNo signup
01
Set your values
Results update as you type.
02 / ANSWER
1σ lower: 85
1σ upper: 115
2σ lower: 70
2σ upper: 130
3σ lower: 55
3σ upper: 145
Results update automatically as you type.
FAQs
What does the empirical rule calculator calculate?
Calculate one-, two-, and three-standard-deviation bounds.