diff --git a/static/scripts/sketch-utils.js b/static/scripts/sketch-utils.js
new file mode 100644
index 0000000..feaf85c
--- /dev/null
+++ b/static/scripts/sketch-utils.js
@@ -0,0 +1,7 @@
+function getInlineSketchWidth() {
+    return getComputedStyle(document.documentElement).getPropertyValue("--body-width");
+}
+
+function convertRemToPx(rem) {
+    return rem * parseFloat(getComputedStyle(document.documentElement).fontSize);
+}
\ No newline at end of file