diff --git a/CHANGELOG.md b/CHANGELOG.md
index 750ce0deb42..932143a33c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,7 @@
 ## [`master`](https://github.com/elastic/eui/tree/master)
 
+- Converted `relative_options` to TS ([#1921](https://github.com/elastic/eui/pull/1921))
+
 **Bug fixes**
 
 - Removed unused prop enum of `l` in `EuiButton` ([#1936](https://github.com/elastic/eui/pull/1936))
diff --git a/src/components/date_picker/super_date_picker/relative_options.test.ts b/src/components/date_picker/super_date_picker/relative_options.test.ts
new file mode 100644
index 00000000000..b6799da276f
--- /dev/null
+++ b/src/components/date_picker/super_date_picker/relative_options.test.ts
@@ -0,0 +1,18 @@
+import { relativeUnitsFromLargestToSmallest } from './relative_options';
+
+describe('relativeUnitsFromLargestToSmallest', () => {
+  test('relativeUnitsFromLargestToSmallest length', () => {
+    expect(relativeUnitsFromLargestToSmallest.length).toBe(7);
+  });
+  test('relativeUnitsFromLargestToSmallest order', () => {
+    expect(relativeUnitsFromLargestToSmallest).toEqual([
+      'y',
+      'M',
+      'w',
+      'd',
+      'h',
+      'm',
+      's',
+    ]);
+  });
+});
diff --git a/src/components/date_picker/super_date_picker/relative_options.js b/src/components/date_picker/super_date_picker/relative_options.ts
similarity index 99%
rename from src/components/date_picker/super_date_picker/relative_options.js
rename to src/components/date_picker/super_date_picker/relative_options.ts
index 677191356cf..435ff6d5434 100644
--- a/src/components/date_picker/super_date_picker/relative_options.js
+++ b/src/components/date_picker/super_date_picker/relative_options.ts
@@ -1,4 +1,3 @@
-
 export const relativeOptions = [
   { text: 'Seconds ago', value: 's' },
   { text: 'Minutes ago', value: 'm' },