diff --git a/src/utils/arithmetic.ts b/src/utils/arithmetic.ts
new file mode 100644
index 00000000..4f48f2d0
--- /dev/null
+++ b/src/utils/arithmetic.ts
@@ -0,0 +1,4 @@
+export function precisionRound(number: number, precision = 2) {
+  var factor = Math.pow(10, precision);
+  return Math.round(number * factor) / factor;
+}