diff --git a/crates/rpc/rpc-types/src/eth/block.rs b/crates/rpc/rpc-types/src/eth/block.rs
index c4522c7844b4..985e93e24fcd 100644
--- a/crates/rpc/rpc-types/src/eth/block.rs
+++ b/crates/rpc/rpc-types/src/eth/block.rs
@@ -410,6 +410,12 @@ impl From<u64> for BlockId {
     }
 }
 
+impl From<U64> for BlockId {
+    fn from(value: U64) -> Self {
+        BlockNumberOrTag::Number(value.to()).into()
+    }
+}
+
 impl From<BlockNumberOrTag> for BlockId {
     fn from(num: BlockNumberOrTag) -> Self {
         BlockId::Number(num)
@@ -622,6 +628,12 @@ impl From<u64> for BlockHashOrNumber {
     }
 }
 
+impl From<U64> for BlockHashOrNumber {
+    fn from(value: U64) -> Self {
+        value.to::<u64>().into()
+    }
+}
+
 /// Allows for RLP encoding of either a block hash or block number
 impl Encodable for BlockHashOrNumber {
     fn encode(&self, out: &mut dyn bytes::BufMut) {