Body Frame and Ideal Weight: What This Calculator Cannot Adjust
The ideal-weight calculator does not measure body frame. It accepts height and a sex selection, so two people with those same entries receive the same primary estimate regardless of their wrist measurements, muscle or build.
Check the actual inputs
The tool has no wrist, elbow-breadth, skeletal measurement or body-composition input. Calling its answer frame-adjusted would therefore misdescribe the calculation. A general comment that bodies differ does not turn a two-input preset into an assessment of those differences.
The same limitation applies if a person looks “small framed” or “large framed”. A visual label is not a measured correction built into this calculator, and it does not identify a personal best weight.
What happens for the same height
At 170 cm with the female selection, the site's primary height preset gives about 61.4 kg. The separate BMI comparison weights are about 53.5 kg at BMI 18.5 and 72.0 kg at BMI 24.9.
Entering a different wrist measurement elsewhere does not change these results because that measurement is not in this method. The primary number also does not become the midpoint or preferred point of the BMI comparison band.
Do not invent a frame correction
Adding or subtracting 10% because of a frame label may look more personal, but this tool provides no validated basis for doing so. For example, 10% of the 61.4 kg displayed estimate is about 6.1 kg. Moving the answer by that amount is a new rule introduced by the user, not a result supplied by the calculator.
If a clinician is using a particular body-size method for a clinical purpose, ask for the method and how it applies to that decision. That is different from adjusting an internet preset until the number feels plausible.
Use a question that the available evidence can answer
For a weight-to-height screen, the BMI calculator answers that limited question. For body composition, a height-only estimate is insufficient. CDC guidance explicitly notes that BMI itself cannot distinguish fat, muscle and bone; adding another height-based number does not fix that limitation.
For an individual weight goal, consider the purpose, health history and appropriate professional input. A stronger body is not necessarily one that moves closer to a particular preset. The goal-setting guide focuses on a reviewable process, while the calculator guide documents the arithmetic.
The honest result is sometimes “this method cannot answer the frame question”. Keeping that boundary clear is more useful than inventing an extra decimal or correction.
Frequently asked questions
Can I choose a large-frame option in this calculator?
No. The current method has no frame-size control and supplies no frame correction.
Can I adjust the output using a wrist-size chart?
That would be a different method. Do not present the adjusted number as a result or a validated feature of this calculator.