1 files changed, 9 insertions, 0 deletions
diff --git a/web/app/store/DistanceUnits.js b/web/app/store/DistanceUnits.js
index cc9f1e92..57d15fc8 100644
--- a/web/app/store/DistanceUnits.js
+++ b/web/app/store/DistanceUnits.js
@@ -33,6 +33,15 @@ Ext.define('Traccar.store.DistanceUnits', {
         factor: 0.000539957
     }],
 
+    convertValue: function (value, unit) {
+        var model;
+        if (!unit) {
+            unit = 'km';
+        }
+        model = this.findRecord('key', unit);
+        return value * model.get('factor');
+    },
+
     formatValue: function (value, unit) {
         var model;
         if (!unit) {