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The official US Dollar (USD) exchange rate used by Sri Lanka Customs for import duty calculations, published in the Extraordinary Gazette. Current rate: LKR 340.7885 per 1 USD, effective 2026-07-20 to 2026-07-26.
Customs USD Rate
LKR 340.7885+0.0869vs last week
Valid 20 Jul – 26 Jul
Quick Converter
USD
LKR 340.79
Based on the current customs exchange rate. Actual bank rates may differ.
6-Month Trend
6M Change+27.2787
6M %+8.70%
6M High353.1723
6M Low313.0569
Rate History
| Week | Rate (LKR) | Change | Gazette |
|---|---|---|---|
| 20 Jul 2026 | 340.7885 | +0.0869 | customs.gov.lkPDF |
| 13 Jul 2026 | 340.7016 | +0.2534 | customs.gov.lkPDF |
| 6 Jul 2026 | 340.4482 | -1.4312 | customs.gov.lkPDF |
| 29 Jun 2026 | 341.8794 | +3.1790 | customs.gov.lkPDF |
| 22 Jun 2026 | 338.7004 | -2.6637 | customs-20260622PDF |
| 15 Jun 2026 | 341.3641 | -0.6391 | customs-20260615PDF |
| 8 Jun 2026 | 342.0032 | +7.7588 | customs-20260608PDF |
| 1 Jun 2026 | 334.2444 | -18.9279 | customs-20260601PDF |
| 25 May 2026 | 353.1723 | +22.0151 | customs-20260525PDF |
| 18 May 2026 | 331.1572 | +5.6234 | customs-20260518PDF |
| 11 May 2026 | 325.5338 | +1.7289 | customs-20260511PDF |
| 4 May 2026 | 323.8049 | +1.9282 | 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 USD customs exchange rate in Sri Lanka?▾
The official US Dollar (USD) exchange rate used by Sri Lanka Customs is LKR 340.7885 per 1 USD, 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 USD to LKR using the gazette rate (LKR 340.7885 per USD). Then apply the 7-layer duty calculation on the LKR CIF value. Use the Import Duty Calculator on tariff.lk to do this automatically.