diff --git a/benchmark/float_to_s.yml b/benchmark/float_to_s.yml
new file mode 100644
index 0000000000..0abae5cdb8
--- /dev/null
+++ b/benchmark/float_to_s.yml
@@ -0,0 +1,7 @@
+prelude: |
+  floats = [*0.0.step(1.0, 0.0001)]
+
+benchmark:
+  to_s: floats.each {|f| f.to_s}
+
+loop_count: 1000