Use this when you need to quantify a care-related measurement or cost before deciding what to do with a specific garment.
What this tool is actually telling you
Care calculations are descriptive. ISO 3758:2023 and GINETEX care information concern permitted textile-care treatments; the calculator does not override a product-specific instruction.
The result depends on the assumptions you enter. Treat it as decision support rather than a universal rule.
Inputs that make the answer stronger
- Use the same garment dimension before and after when calculating change.
- For temperatures or care actions, check the garment label before acting.
Worked example
If a garment length changes from 70 cm to 67.2 cm, the decrease is 2.8 cm, or 4% of the original length. That does not mean every dimension shrank by 4%.
How to use the result for a real decision
Use the number to understand the change, then follow the garment’s care label and material/construction context before attempting further treatment.
Why care arithmetic is descriptive, not permission
A percentage or converted temperature can describe what happened or restate a value. It does not tell you that a treatment is permitted when the garment label says otherwise.
Sources and verification
Care claims are tied to current textile-care standards or regulators where applicable; the calculator never treats a numerical result as permission to ignore a care label.
Questions people ask
Can shrinkage differ by direction?
Yes. Length and width can change by different amounts, so measure each important dimension separately.
Does a temperature conversion change the care instruction?
No. It only expresses the same temperature in another unit.