diff --git a/packages/core/src/index.mjs b/packages/core/src/index.mjs
index a0449636904..06fc80c1a23 100644
--- a/packages/core/src/index.mjs
+++ b/packages/core/src/index.mjs
@@ -37,6 +37,7 @@ import {
   splitCurve,
   stretchToScale,
   units,
+  goldenRatio,
 } from './utils.mjs'
 import { version } from '../data.mjs'
 
@@ -83,4 +84,5 @@ export {
   splitCurve,
   stretchToScale,
   units,
+  goldenRatio,
 }
diff --git a/packages/core/src/utils.mjs b/packages/core/src/utils.mjs
index 1c571f9e946..ee34b7a0bcc 100644
--- a/packages/core/src/utils.mjs
+++ b/packages/core/src/utils.mjs
@@ -2,6 +2,8 @@ import { Bezier } from 'bezier-js'
 import { Path } from './path.mjs'
 import { Point } from './point.mjs'
 
+export const goldenRatio = 1.618034
+
 //////////////////////////////////////////////
 //            PUBLIC  METHODS               //
 //////////////////////////////////////////////