Report a problem clearly
Contact Kamnuanlek
The fastest way to improve a calculator is to send the exact page, the values entered, the result you received and the authoritative source that appears to conflict with it.
Send enquiries to info@kamnuanlek.com. Do not include passwords, identification numbers, bank details, medical records or other sensitive personal information.
Email info@kamnuanlek.comUseful information to include
- The page URL and whether you used Thai or English.
- The input values and expected result without personal identifiers.
- A link to the relevant authority, tariff, law or provider document.
- Your browser and device if the problem is visual or interactive.
Scope
We can review site errors and source updates. We cannot decide loan eligibility, interpret a personal tax case, quote insurance or provide medical advice.
English content reviewed 23 July 2026.