diff --git a/src/utils/getTwClassByNumber.ts b/src/utils/getTwClassByNumber.ts
new file mode 100644
index 0000000..2578c8d
--- /dev/null
+++ b/src/utils/getTwClassByNumber.ts
@@ -0,0 +1,209 @@
+export default function getTwClassByNumber(
+  index: number,
+  type: "grid-cols" | "gap",
+  screen?: "sm" | "md" | "lg" | "xl" | "2xl"
+) {
+  if (type === "grid-cols") {
+    switch (screen) {
+      case "sm":
+        return _gridColsSM(index);
+      case "md":
+        return _gridColsMD(index);
+      case "lg":
+        return _gridColsLG(index);
+      case "xl":
+        return _gridColsXL(index);
+      case "2xl":
+        return _gridCols2XL(index);
+      default:
+        return _gridCols(index);
+    }
+  }
+}
+
+function _gridCols2XL(index: number) {
+  switch (index) {
+    case 1:
+      return "2xl:grid-cols-1";
+    case 2:
+      return "2xl:grid-cols-2";
+    case 3:
+      return "2xl:grid-cols-3";
+    case 4:
+      return "2xl:grid-cols-4";
+    case 5:
+      return "2xl:grid-cols-5";
+    case 6:
+      return "2xl:grid-cols-6";
+    case 7:
+      return "2xl:grid-cols-7";
+    case 8:
+      return "2xl:grid-cols-8";
+    case 9:
+      return "2xl:grid-cols-9";
+    case 10:
+      return "2xl:grid-cols-10";
+    case 11:
+      return "2xl:grid-cols-11";
+    case 12:
+      return "2xl:grid-cols-12";
+
+    default:
+      return "";
+  }
+}
+function _gridColsXL(index: number) {
+  switch (index) {
+    case 1:
+      return "xl:grid-cols-1";
+    case 2:
+      return "xl:grid-cols-2";
+    case 3:
+      return "xl:grid-cols-3";
+    case 4:
+      return "xl:grid-cols-4";
+    case 5:
+      return "xl:grid-cols-5";
+    case 6:
+      return "xl:grid-cols-6";
+    case 7:
+      return "xl:grid-cols-7";
+    case 8:
+      return "xl:grid-cols-8";
+    case 9:
+      return "xl:grid-cols-9";
+    case 10:
+      return "xl:grid-cols-10";
+    case 11:
+      return "xl:grid-cols-11";
+    case 12:
+      return "xl:grid-cols-12";
+
+    default:
+      return "";
+  }
+}
+function _gridColsLG(index: number) {
+  switch (index) {
+    case 1:
+      return "lg:grid-cols-1";
+    case 2:
+      return "lg:grid-cols-2";
+    case 3:
+      return "lg:grid-cols-3";
+    case 4:
+      return "lg:grid-cols-4";
+    case 5:
+      return "lg:grid-cols-5";
+    case 6:
+      return "lg:grid-cols-6";
+    case 7:
+      return "lg:grid-cols-7";
+    case 8:
+      return "lg:grid-cols-8";
+    case 9:
+      return "lg:grid-cols-9";
+    case 10:
+      return "lg:grid-cols-10";
+    case 11:
+      return "lg:grid-cols-11";
+    case 12:
+      return "lg:grid-cols-12";
+
+    default:
+      return "";
+  }
+}
+function _gridColsMD(index: number) {
+  switch (index) {
+    case 1:
+      return "md:grid-cols-1";
+    case 2:
+      return "md:grid-cols-2";
+    case 3:
+      return "md:grid-cols-3";
+    case 4:
+      return "md:grid-cols-4";
+    case 5:
+      return "md:grid-cols-5";
+    case 6:
+      return "md:grid-cols-6";
+    case 7:
+      return "md:grid-cols-7";
+    case 8:
+      return "md:grid-cols-8";
+    case 9:
+      return "md:grid-cols-9";
+    case 10:
+      return "md:grid-cols-10";
+    case 11:
+      return "md:grid-cols-11";
+    case 12:
+      return "md:grid-cols-12";
+
+    default:
+      return "";
+  }
+}
+function _gridColsSM(index: number) {
+  switch (index) {
+    case 1:
+      return "sm:grid-cols-1";
+    case 2:
+      return "sm:grid-cols-2";
+    case 3:
+      return "sm:grid-cols-3";
+    case 4:
+      return "sm:grid-cols-4";
+    case 5:
+      return "sm:grid-cols-5";
+    case 6:
+      return "sm:grid-cols-6";
+    case 7:
+      return "sm:grid-cols-7";
+    case 8:
+      return "sm:grid-cols-8";
+    case 9:
+      return "sm:grid-cols-9";
+    case 10:
+      return "sm:grid-cols-10";
+    case 11:
+      return "sm:grid-cols-11";
+    case 12:
+      return "sm:grid-cols-12";
+
+    default:
+      return "";
+  }
+}
+function _gridCols(index: number) {
+  switch (index) {
+    case 1:
+      return "grid-cols-1";
+    case 2:
+      return "grid-cols-2";
+    case 3:
+      return "grid-cols-3";
+    case 4:
+      return "grid-cols-4";
+    case 5:
+      return "grid-cols-5";
+    case 6:
+      return "grid-cols-6";
+    case 7:
+      return "grid-cols-7";
+    case 8:
+      return "grid-cols-8";
+    case 9:
+      return "grid-cols-9";
+    case 10:
+      return "grid-cols-10";
+    case 11:
+      return "grid-cols-11";
+    case 12:
+      return "grid-cols-12";
+
+    default:
+      return "";
+  }
+}