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Bland-Altman

Calculate Bland-Altman instantly with the exact formula and a worked example.

Bland-Altman

Mean difference d̄
SD of differences
Limits of agreement (LoA)
3.92
d̄ ± 1.96·SDCalculate Bland-Altman instantly with the exact formula and a worked example.
d̄
0
SD
1
Lower LoA
-1,96
Upper LoA
1,96

More about: Bland-Altman

What it calculates

The “Bland-Altman” calculator computes Limits of agreement (LoA) from 2 parameters: mean difference d̄, sd of differences.

A core calculation for studying, engineering tasks, and checking solutions.

Example calculation

With parameters Mean difference d̄ = 0, SD of differences = 1 the result is 3.92 (d̄ ± 1.96·SD).

How to use

  1. Enter mean difference d̄ and sd of differences — each field above is adjustable with a slider.
  2. Limits of agreement (LoA) is calculated automatically as you type.
  3. Check the worked example below to see the formula applied to real numbers.
  4. Copy the result or bookmark this calculator.

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FAQ

How is Bland-Altman calculated?
The Bland-Altman calculator computes Limits of agreement (LoA) from mean difference d̄, sd of differences. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Bland-Altman 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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