Back to all rates
THB
Thai BahtThailand
The official Thai Baht (THB) exchange rate used by Sri Lanka Customs for import duty calculations, published in the Extraordinary Gazette. Current rate: LKR 10.1365 per 1 THB, effective 2026-07-20 to 2026-07-26.
Customs THB Rate
LKR 10.1365-0.0969vs last week
Valid 20 Jul – 26 Jul
Quick Converter
THB
LKR 10.14
Based on the current customs exchange rate. Actual bank rates may differ.
6-Month Trend
6M Change+0.1035
6M %+1.03%
6M High10.8113
6M Low9.6662
Rate History
| Week | Rate (LKR) | Change | Gazette |
|---|---|---|---|
| 20 Jul 2026 | 10.1365 | -0.0969 | customs.gov.lkPDF |
| 13 Jul 2026 | 10.2334 | -0.0285 | customs.gov.lkPDF |
| 6 Jul 2026 | 10.2619 | +0.0462 | customs.gov.lkPDF |
| 29 Jun 2026 | 10.2157 | -0.1102 | customs.gov.lkPDF |
| 22 Jun 2026 | 10.3259 | -0.0704 | customs-20260622PDF |
| 15 Jun 2026 | 10.3963 | -0.0737 | customs-20260615PDF |
| 8 Jun 2026 | 10.4700 | +0.2108 | customs-20260608PDF |
| 1 Jun 2026 | 10.2592 | -0.5521 | customs-20260601PDF |
| 25 May 2026 | 10.8113 | +0.6184 | customs-20260525PDF |
| 18 May 2026 | 10.1929 | +0.1045 | customs-20260518PDF |
| 11 May 2026 | 10.0884 | +0.2036 | customs-20260511PDF |
| 4 May 2026 | 9.8848 | -0.0258 | customs-20260504PDF |
1–12 of 52 weeks
1 / 5
Rates are published weekly by Sri Lanka Customs via Extraordinary Gazette for import duty calculations. They may differ from commercial bank rates.
Frequently Asked Questions
What is the THB customs exchange rate in Sri Lanka?▾
The official Thai Baht (THB) exchange rate used by Sri Lanka Customs is LKR 10.1365 per 1 THB, effective 2026-07-20 to 2026-07-26. This rate is published in the Sri Lanka Extraordinary Gazette and must be used by importers when declaring CIF values on their Customs Declaration (CusDec).
How do I use the customs exchange rate to calculate import duty?▾
Convert the CIF value of your goods from THB to LKR using the gazette rate (LKR 10.1365 per THB). Then apply the 7-layer duty calculation on the LKR CIF value. Use the Import Duty Calculator on tariff.lk to do this automatically.