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Work-Surface Height Difference Calculator

Compare measured seated elbow height with the selected work-surface height.

Inputs

Range: at least 0.0 in

Measure vertically from the floor to the seated elbow height in inches, using the intended chair, user and working posture. Measure consistently for comparison.

Range: at least 0.0 in

Measure or enter the selected keyboard or work-surface height from the floor in inches, using the same reference point as the elbow measurement. This is a user or product target, not a universal ergonomic standard.

Result

Work-surface minus seated elbow height
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Calculation details
Absolute height adjustment needed
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Signed height difference
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Absolute height adjustment needed
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Direction of difference
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Calculation interpretation
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Basis and applicable limits
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