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 10.0884 per 1 THB, effective 2026-05-11 to 2026-05-17.
Customs THB Rate
LKR 10.0884+0.2036vs last week
Valid 11 May – 17 May
Quick Converter
THB
LKR 10.09
Based on the current customs exchange rate. Actual bank rates may differ.
6-Month Trend
6M Change+0.5162
6M %+5.39%
6M High10.0884
6M Low9.5722
Rate History
| Week | Rate (LKR) | Change | Gazette |
|---|---|---|---|
| 11 May 2026 | 10.0884 | +0.2036 | customs-20260511PDF |
| 4 May 2026 | 9.8848 | -0.0258 | customs-20260504PDF |
| 27 Apr 2026 | 9.9106 | -0.0649 | customs-20260427PDF |
| 20 Apr 2026 | 9.9755 | +0.0594 | customs-20260420PDF |
| 13 Apr 2026 | 9.9161 | +0.1599 | customs-20260413PDF |
| 6 Apr 2026 | 9.7562 | +0.0844 | customs-20260406PDF |
| 30 Mar 2026 | 9.6718 | +0.0056 | customs-20260330PDF |
| 23 Mar 2026 | 9.6662 | -0.1266 | 2481/01PDF |
| 16 Mar 2026 | 9.7928 | -0.1351 | 2480/01PDF |
| 9 Mar 2026 | 9.9279 | -0.1421 | 2479/01PDF |
| 2 Mar 2026 | 10.0700 | +0.0350 | 2478/01PDF |
| 23 Feb 2026 | 10.0350 | -0.0351 | 2477/01PDF |
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 10.0884 per 1 THB, effective 2026-05-11 to 2026-05-17. 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 10.0884 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.