diff --git a/pandatool/src/gtk-stats/gtkStatsStripWindow.cxx b/pandatool/src/gtk-stats/gtkStatsStripWindow.cxx
index e6dd717023..0bd23c6129 100644
--- a/pandatool/src/gtk-stats/gtkStatsStripWindow.cxx
+++ b/pandatool/src/gtk-stats/gtkStatsStripWindow.cxx
@@ -89,28 +89,28 @@ setup_menu() {
   Gtk::Menu *scale_menu = new Gtk::Menu;
 
   scale_menu->items().push_back
-    (MenuElem("0.1 Hz",
+    (MenuElem("10000 ms (0.1 Hz)",
 	      bind(slot(this, &GtkStatsStripWindow::menu_vscale), 0.1)));
   scale_menu->items().push_back
-    (MenuElem("1 Hz",
+    (MenuElem("1000 ms (1 Hz)",
 	      bind(slot(this, &GtkStatsStripWindow::menu_vscale), 1.0)));
   scale_menu->items().push_back
-    (MenuElem("5 Hz",
+    (MenuElem("200 ms (5 Hz)",
 	      bind(slot(this, &GtkStatsStripWindow::menu_vscale), 5.0)));
   scale_menu->items().push_back
-    (MenuElem("10 Hz",
+    (MenuElem("100 ms (10 Hz)",
 	      bind(slot(this, &GtkStatsStripWindow::menu_vscale), 10.0)));
   scale_menu->items().push_back
-    (MenuElem("20 Hz",
+    (MenuElem("50.0 ms (20 Hz)",
 	      bind(slot(this, &GtkStatsStripWindow::menu_vscale), 20.0)));
   scale_menu->items().push_back
-    (MenuElem("30 Hz",
+    (MenuElem("33.3 ms (30 Hz)",
 	      bind(slot(this, &GtkStatsStripWindow::menu_vscale), 30.0)));
   scale_menu->items().push_back
-    (MenuElem("60 Hz",
+    (MenuElem("16.7 ms (60 Hz)",
 	      bind(slot(this, &GtkStatsStripWindow::menu_vscale), 60.0)));
   scale_menu->items().push_back
-    (MenuElem("120 Hz",
+    (MenuElem("8.3 ms (120 Hz)",
 	      bind(slot(this, &GtkStatsStripWindow::menu_vscale), 120.0)));
 
   _menu->items().push_back(MenuElem("Scale", *manage(scale_menu)));
diff --git a/pandatool/src/pstatserver/pStatGraph.cxx b/pandatool/src/pstatserver/pStatGraph.cxx
index 0a42bc8228..8b96183d3c 100644
--- a/pandatool/src/pstatserver/pStatGraph.cxx
+++ b/pandatool/src/pstatserver/pStatGraph.cxx
@@ -26,7 +26,7 @@ PStatGraph(PStatMonitor *monitor, int xsize, int ysize) :
   _target_frame_rate = pstats_target_frame_rate;
   _labels_changed = false;
   _guide_bars_changed = false;
-  _guide_bar_units = GBU_hz;
+  _guide_bar_units = GBU_ms;
 }
 
 ////////////////////////////////////////////////////////////////////