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.

1σ lower: 85

1σ lower

0.000000
1σ upper: 115

1σ upper

0.000000
2σ lower: 70

2σ lower

0.000000
2σ upper: 130

2σ upper

0.000000
3σ lower: 55

3σ lower

0.000000
3σ upper: 145

3σ upper

0.000000

Results update automatically as you type.

FAQs

What does the empirical rule calculator calculate?

Calculate one-, two-, and three-standard-deviation bounds.