diff --git a/app/src/main/java/info/nightscout/androidaps/activities/HistoryBrowseActivity.kt b/app/src/main/java/info/nightscout/androidaps/activities/HistoryBrowseActivity.kt
index 1844e9ba9f..9d8066bf82 100644
--- a/app/src/main/java/info/nightscout/androidaps/activities/HistoryBrowseActivity.kt
+++ b/app/src/main/java/info/nightscout/androidaps/activities/HistoryBrowseActivity.kt
@@ -17,6 +17,7 @@ import info.nightscout.androidaps.databinding.ActivityHistorybrowseBinding
 import info.nightscout.androidaps.events.EventAutosensCalculationFinished
 import info.nightscout.androidaps.events.EventCustomCalculationFinished
 import info.nightscout.androidaps.events.EventRefreshOverview
+import info.nightscout.androidaps.events.EventScale
 import info.nightscout.androidaps.extensions.toVisibility
 import info.nightscout.androidaps.extensions.toVisibilityKeepSpace
 import info.nightscout.androidaps.interfaces.ActivePlugin
@@ -130,10 +131,9 @@ class HistoryBrowseActivity : NoSplashAppCompatActivity() {
             loadAll("onClickEnd")
         }
         binding.zoom.setOnClickListener {
-            rangeToDisplay += 6
-            rangeToDisplay = if (rangeToDisplay > 24) 6 else rangeToDisplay
-            setTime(overviewData.fromTime)
-            loadAll("rangeChange")
+            var hours = rangeToDisplay + 6
+            hours = if (hours > 24) 6 else hours
+            rxBus.send(EventScale(hours))
         }
         binding.zoom.setOnLongClickListener {
             Calendar.getInstance().also { calendar ->
@@ -214,6 +214,14 @@ class HistoryBrowseActivity : NoSplashAppCompatActivity() {
             .toObservable(EventUpdateOverviewGraph::class.java)
             .observeOn(aapsSchedulers.main)
             .subscribe({ updateGUI("EventRefreshOverview") }, fabricPrivacy::logException)
+        disposable += rxBus
+            .toObservable(EventScale::class.java)
+            .observeOn(aapsSchedulers.main)
+            .subscribe({
+                           rangeToDisplay = it.hours
+                           setTime(overviewData.fromTime)
+                           loadAll("rangeChange")
+                       }, fabricPrivacy::logException)
 
         if (overviewData.fromTime == 0L) {
             // set start of current day
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventScale.kt b/app/src/main/java/info/nightscout/androidaps/events/EventScale.kt
new file mode 100644
index 0000000000..830782c3d1
--- /dev/null
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventScale.kt
@@ -0,0 +1,3 @@
+package info.nightscout.androidaps.events
+
+class EventScale(val hours: Int) : Event()
\ No newline at end of file
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewFragment.kt b/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewFragment.kt
index d7becd662f..6522258e13 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewFragment.kt
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewFragment.kt
@@ -245,6 +245,15 @@ class OverviewFragment : DaggerFragment(), View.OnClickListener, OnLongClickList
             .toObservable(EventUpdateOverviewNotification::class.java)
             .observeOn(aapsSchedulers.main)
             .subscribe({ updateNotification() }, fabricPrivacy::logException)
+        disposable += rxBus
+            .toObservable(EventScale::class.java)
+            .observeOn(aapsSchedulers.main)
+            .subscribe({
+                           overviewData.rangeToDisplay = it.hours
+                           sp.putInt(R.string.key_rangetodisplay, it.hours)
+                           rxBus.send(EventPreferenceChange(rh, R.string.key_rangetodisplay))
+                           sp.putBoolean(R.string.key_objectiveusescale, true)
+                       }, fabricPrivacy::logException)
         disposable += rxBus
             .toObservable(EventNewBG::class.java)
             .debounce(1L, TimeUnit.SECONDS)
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewMenus.kt b/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewMenus.kt
index 4a7c68ead3..1be101396c 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewMenus.kt
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/general/overview/OverviewMenus.kt
@@ -13,12 +13,13 @@ import androidx.appcompat.widget.PopupMenu
 import com.google.gson.Gson
 import info.nightscout.androidaps.R
 import info.nightscout.androidaps.events.EventRefreshOverview
+import info.nightscout.androidaps.events.EventScale
 import info.nightscout.androidaps.interfaces.Config
 import info.nightscout.androidaps.interfaces.Loop
+import info.nightscout.androidaps.interfaces.ResourceHelper
 import info.nightscout.androidaps.plugins.bus.RxBus
 import info.nightscout.androidaps.utils.FabricPrivacy
 import info.nightscout.androidaps.utils.buildHelper.BuildHelper
-import info.nightscout.androidaps.interfaces.ResourceHelper
 import info.nightscout.shared.logging.AAPSLogger
 import info.nightscout.shared.sharedPreferences.SP
 import javax.inject.Inject
@@ -53,6 +54,7 @@ class OverviewMenus @Inject constructor(
     companion object {
 
         const val MAX_GRAPHS = 5 // including main
+        const val SCALE_ID = 1001
     }
 
     fun enabledTypes(graph: Int): String {
@@ -103,6 +105,13 @@ class OverviewMenus @Inject constructor(
             }
             val popup = PopupMenu(v.context, v)
 
+            popup.menu.addSubMenu(Menu.NONE, SCALE_ID, Menu.NONE, rh.gs(R.string.graph_scale)).also {
+                it.add(Menu.NONE, SCALE_ID + 6, Menu.NONE, "6")
+                it.add(Menu.NONE, SCALE_ID + 12, Menu.NONE, "12")
+                it.add(Menu.NONE, SCALE_ID + 18, Menu.NONE, "18")
+                it.add(Menu.NONE, SCALE_ID + 24, Menu.NONE, "24")
+            }
+
             val used = arrayListOf<Int>()
 
             for (g in 0 until numOfGraphs) {
@@ -124,7 +133,7 @@ class OverviewMenus @Inject constructor(
                     if (insert) {
                         val item = popup.menu.add(Menu.NONE, m.ordinal + 100 * (g + 1), Menu.NONE, rh.gs(m.nameId))
                         val title = item.title
-                        val s = SpannableString(" " + title + " ")
+                        val s = SpannableString(" $title ")
                         s.setSpan(ForegroundColorSpan(rh.gac(context, m.attrTextId)), 0, s.length, 0)
                         s.setSpan(BackgroundColorSpan(rh.gac(context, m.attrId)), 0, s.length, 0)
                         item.title = s
@@ -144,17 +153,26 @@ class OverviewMenus @Inject constructor(
                 try {
                     // id < 100 graph header - divider 1, 2, 3 .....
                     when {
-                        it.itemId == numOfGraphs -> {
+                        it.itemId == SCALE_ID                              -> {
+                            // do nothing, submenu
+                        }
+
+                        it.itemId > SCALE_ID && it.itemId < SCALE_ID + 100 -> {
+                            val hours = it.itemId - SCALE_ID // 6,12,....
+                            rxBus.send(EventScale(hours))
+                        }
+
+                        it.itemId == numOfGraphs                           -> {
                             // add new empty
                             _setting.add(Array(CharType.values().size) { false })
                         }
 
-                        it.itemId < 100          -> {
+                        it.itemId < 100                                    -> {
                             // remove graph
                             _setting.removeAt(it.itemId)
                         }
 
-                        else                     -> {
+                        else                                               -> {
                             val graphNumber = it.itemId / 100 - 1
                             val item = it.itemId % 100
                             _setting[graphNumber][item] = !it.isChecked
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 3e155b06c1..4bd0be7a5b 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1213,6 +1213,7 @@
     <string name="widget_description">AndroidAPS widget</string>
     <string name="configure">Configure opacity</string>
     <string name="loop_status">Loop status</string>
+    <string name="graph_scale">Graph scale</string>
 
     <string name="a11y_otp_qr_code">QR Code for setup one time password</string>
     <string name="a11y_open_settings">open settings</string>
@@ -1228,5 +1229,5 @@
     <string name="aidex">GlucoRx Aidex</string>
     <string name="aidex_short">Aidex</string>
     <string name="description_source_aidex">Receive BG values from GlucoRx Aidex CGMS.</string>
-  
+
 </resources>