FAQ
Jacket measurement questions
Use these answers when a chart from Kakobuy sheets appears comparable but the measurement method is uncertain. The most useful correction is often to clarify a label before performing any arithmetic.
When labels hide different methods
- Can I double a flat chest width and compare it with my body?
- Doubling a width produces a derived number; it does not turn the garment into a body measurement or determine wearing ease. Garment shaping, seams and measurement placement matter. This tool therefore compares matching garment dimensions and excludes body measurements.
- Can shoulder-to-cuff and neck-to-cuff be converted?
- Not from one number alone. They have different starting points and may follow different paths. Ask for the same measurement or follow the maker’s full diagram. Adding a guessed shoulder allowance would give a precise-looking answer without the missing information.
Reading differences and bounds
- Why does the tool convert everything to centimetres?
- A shared unit makes subtraction meaningful while preserving the original entry. One inch is 2.54 centimetres. Conversion changes the unit, not the precision of the source measurement; a long decimal does not mean that the tape or chart was more accurate.
- What should I put in the uncertainty box?
- Only a plus-or-minus bound you can explain from the measurement process or source. If the source does not state one and you have not assessed it, leave the box blank. The worksheet will mark the range unavailable rather than assume an exact measurement.
What the result cannot decide
- Does an interval containing zero mean the jackets are the same?
- No. It means the entered bounds include an equal value for this one dimension. The garments may differ in other dimensions, construction, fabric behaviour or condition. Keep those questions outside the arithmetic result and examine them independently.
- Can I use a stretched or open garment as the reference?
- Not in this form’s matched flat-and-fastened comparison. First confirm the intended measurement preparation and repeat it consistently. If a maker specifies another preparation, follow that method separately and document it rather than forcing the record into this tool.
Supporting guidance
Resolve a chart label without guessing
Save the exact chart label and a small note explaining why it is unclear. A request such as “Where does this sleeve measurement start, and is it taken on the flat garment?” is answerable. A request for the correct size without describing the method leaves the same uncertainty in place.
Manufacturer examples demonstrate the distinction. Luxire describes a garment sleeve starting at the shoulder seam. Cutter & Buck describes a body sleeve path beginning at the back of the neck and travelling over the elbow. Those definitions illustrate why matching names are not enough; neither becomes a universal rule for every jacket.
- Keep the original diagram or written explanation with the selected option.
- If the explanation changes, rerun the comparison and retain the earlier note as a dated observation.
Fix the input before revising the conclusion
When a source label becomes clear, record the explanation and use the same preparation on your reference garment. Then calculate a fresh difference.