diff --git a/extra/benchmark/parse-bignum/parse-bignum.factor b/extra/benchmark/parse-bignum/parse-bignum.factor
new file mode 100644
index 0000000000..856a1a0f40
--- /dev/null
+++ b/extra/benchmark/parse-bignum/parse-bignum.factor
@@ -0,0 +1,9 @@
+USING: kernel math math.parser sequences ;
+IN: benchmark.parse-bignum
+
+: parse-bignum-benchmark ( -- )
+    3000 iota [
+        2^ [ number>string string>number ] [ assert= ] bi
+    ] each ;
+
+MAIN: parse-bignum-benchmark