diff --git a/modules/functions/blur.js b/modules/functions/blur.js
new file mode 100644
index 0000000..8ca5f2a
--- /dev/null
+++ b/modules/functions/blur.js
@@ -0,0 +1,5 @@
+import applyUnitToNumber from '../utils/applyUnitToNumber'
+
+export default function blur(x) {
+  return 'blur(' + applyUnitToNumber(x) + ')'
+}