diff --git a/packages/layerzero-v2/evm/oapp/contracts/oft/interfaces/IOFT.sol b/packages/layerzero-v2/evm/oapp/contracts/oft/interfaces/IOFT.sol
index e075419..d3546b0 100644
--- a/packages/layerzero-v2/evm/oapp/contracts/oft/interfaces/IOFT.sol
+++ b/packages/layerzero-v2/evm/oapp/contracts/oft/interfaces/IOFT.sol
@@ -103,6 +103,12 @@ interface IOFT {
      */
     function sharedDecimals() external view returns (uint8);
 
+    /**
+     * @notice Retrieves the decimal conversion rate of the OFT.
+     * @return decimalConversionRate The decimal conversion rate of the OFT.
+     */
+    function decimalConversionRate() external view returns (uint256);
+
     /**
      * @notice Provides a quote for OFT-related operations.
      * @param _sendParam The parameters for the send operation.