Bland-Altman Analysis Calculator

Assess agreement between two measurement methods

About Bland-Altman Analysis

Bland-Altman analysis assesses agreement between two measurement methods on the same subjects.

Bias: Mean difference between methods (systematic error).

LoA: Mean ± 1.96 × SD - range within which 95% of differences fall.

Proportional bias: If differences correlate with means, the bias varies with measurement magnitude.

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: Standard Mathematical References

by Various

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.