Health & FitnessGenerated accuracy model review: 2026-05-06

Ideal Body Weight accuracy and testing

This page documents how Calwarden builds trust for this calculator: source notes, regression-style default tests, limitations, assumptions, unit handling, rounding, and visible change history.

Formula source

**Devine Formula (1974):** * **Men:** 50 kg + 2.3 kg for every inch over 5 feet. * **Women:** 45.5 kg + 2.3 kg for every inch over 5 feet.

Test cases

Default input regression check

Generated from the checked-in default inputs and calculate function.

Inputs

Gender: Male
Height (Ft): 5
Height (In): 10

Expected outputs

Ideal Weight: 73 kg
In Pounds: 160.9 lbs

Known limitations

Does not account for age, muscle mass, or frame size. Not accurate for very short (< 5ft) or very tall individuals.

Assumptions

The result comes from standard ideal-body-weight formulas, not from a personalized body-composition assessment.
These formulas are most often used as rough clinical references, including medication planning.
Ideal body weight does not capture frame size, muscle mass, or athletic build on its own.

Unit handling

Gender accepts one of the configured options.
Height (Ft) accepts numeric values.
Height (In) accepts numeric values.
Ideal Weight is displayed in kg.
In Pounds is displayed in lbs.

Rounding rules

Number displays use up to 2 decimal places in the calculator UI.

Version history

1.0.0 - 2026-05-06

Generated accuracy and testing page from the current ideal-body-weight-calculator calculator definition.

Change log

2026-05-06

Published default regression test documentation and metadata fallbacks for Ideal Body Weight.

Calculator transparency

Accuracy pages are generated from checked-in calculator definitions and can be upgraded with curated review metadata over time.

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