diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 998055b725..ba07d3f088 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -1313,10 +1313,10 @@
 //#define LEVEL_BED_CORNERS
 
 #if ENABLED(LEVEL_BED_CORNERS)
-  #define LEVEL_CORNERS_INSET 30    // (mm) An inset for corner leveling
-  #define LEVEL_CORNERS_Z_HOP  4.0  // (mm) Move nozzle up before moving between corners
-  #define LEVEL_CORNERS_HEIGHT 0.0  // (mm) Z height of nozzle at leveling points
-  //#define LEVEL_CENTER_TOO        // Move to the center after the last corner
+  #define LEVEL_CORNERS_INSET_LFRB { 30, 30, 30, 30 } // (mm) Left, Front, Right, Back insets
+  #define LEVEL_CORNERS_HEIGHT      0.0   // (mm) Z height of nozzle at leveling points
+  #define LEVEL_CORNERS_Z_HOP       4.0   // (mm) Z height of nozzle between leveling points
+  //#define LEVEL_CENTER_TOO              // Move to the center after the last corner
 #endif
 
 /**
diff --git a/Marlin/src/feature/joystick.cpp b/Marlin/src/feature/joystick.cpp
index acf6c13a10..7a8e40f503 100644
--- a/Marlin/src/feature/joystick.cpp
+++ b/Marlin/src/feature/joystick.cpp
@@ -164,7 +164,7 @@ Joystick joystick;
     LOOP_XYZ(i) if (norm_jog[i]) {
       move_dist[i] = seg_time * norm_jog[i] *
         #if ENABLED(EXTENSIBLE_UI)
-          MMM_TO_MMS(manual_feedrate_mm_m[i]);
+          manual_feedrate_mm_s[i];
         #else
           planner.settings.max_feedrate_mm_s[i];
         #endif
diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index ea66232ff2..210c6c897a 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -312,8 +312,10 @@
   #error "AUTOMATIC_CURRENT_CONTROL is now MONITOR_DRIVER_STATUS. Please update your configuration."
 #elif defined(FILAMENT_CHANGE_LOAD_LENGTH)
   #error "FILAMENT_CHANGE_LOAD_LENGTH is now FILAMENT_CHANGE_FAST_LOAD_LENGTH. Please update your configuration."
-#elif ENABLED(LEVEL_BED_CORNERS) && !defined(LEVEL_CORNERS_INSET)
-  #error "LEVEL_BED_CORNERS requires a LEVEL_CORNERS_INSET value. Please update your Configuration.h."
+#elif defined(LEVEL_CORNERS_INSET)
+  #error "LEVEL_CORNERS_INSET is now LEVEL_CORNERS_INSET_LFRB . Please update your Configuration.h."
+#elif ENABLED(LEVEL_BED_CORNERS) && !defined(LEVEL_CORNERS_INSET_LFRB)
+  #error "LEVEL_BED_CORNERS requires LEVEL_CORNERS_INSET_LFRB values. Please update your Configuration.h."
 #elif defined(BEZIER_JERK_CONTROL)
   #error "BEZIER_JERK_CONTROL is now S_CURVE_ACCELERATION. Please update your configuration."
 #elif DISABLED(CLASSIC_JERK) && defined(JUNCTION_DEVIATION_FACTOR)
diff --git a/Marlin/src/lcd/extensible_ui/ui_api.cpp b/Marlin/src/lcd/extensible_ui/ui_api.cpp
index 0e0a1171ab..f8db5c8209 100644
--- a/Marlin/src/lcd/extensible_ui/ui_api.cpp
+++ b/Marlin/src/lcd/extensible_ui/ui_api.cpp
@@ -389,14 +389,14 @@ namespace ExtUI {
     #endif
 
     current_position[axis] = constrain(position, min, max);
-    line_to_current_position(MMM_TO_MMS(manual_feedrate_mm_m[axis]));
+    line_to_current_position(manual_feedrate_mm_s[axis]);
   }
 
   void setAxisPosition_mm(const float position, const extruder_t extruder) {
     setActiveTool(extruder, true);
 
     current_position.e = position;
-    line_to_current_position(MMM_TO_MMS(manual_feedrate_mm_m.e));
+    line_to_current_position(manual_feedrate_mm_s.e);
   }
 
   void setActiveTool(const extruder_t extruder, bool no_move) {
diff --git a/Marlin/src/lcd/menu/menu.cpp b/Marlin/src/lcd/menu/menu.cpp
index 9c3cf057d6..269709bf24 100644
--- a/Marlin/src/lcd/menu/menu.cpp
+++ b/Marlin/src/lcd/menu/menu.cpp
@@ -384,7 +384,7 @@ void scroll_screen(const uint8_t limit, const bool is_menu) {
 
   void line_to_z(const float &z) {
     current_position.z = z;
-    line_to_current_position(MMM_TO_MMS(manual_feedrate_mm_m.z));
+    line_to_current_position(manual_feedrate_mm_s.z);
   }
 
 #endif
diff --git a/Marlin/src/lcd/menu/menu_bed_corners.cpp b/Marlin/src/lcd/menu/menu_bed_corners.cpp
index a7fffb1e02..f09ac15516 100644
--- a/Marlin/src/lcd/menu/menu_bed_corners.cpp
+++ b/Marlin/src/lcd/menu/menu_bed_corners.cpp
@@ -55,33 +55,26 @@ static_assert(LEVEL_CORNERS_Z_HOP >= 0, "LEVEL_CORNERS_Z_HOP must be >= 0. Pleas
  */
 static int8_t bed_corner;
 static inline void _lcd_goto_next_corner() {
+  constexpr float lfrb[4] = LEVEL_CORNERS_INSET_LFRB;
+  constexpr xy_pos_t lf { (X_MIN_BED) + lfrb[0], (Y_MIN_BED) + lfrb[1] },
+                     rb { (X_MAX_BED) - lfrb[2], (Y_MAX_BED) - lfrb[3] };
   line_to_z(LEVEL_CORNERS_Z_HOP);
   switch (bed_corner) {
-    case 0:
-      current_position.set(X_MIN_BED + LEVEL_CORNERS_INSET, Y_MIN_BED + LEVEL_CORNERS_INSET);
-      break;
-    case 1:
-      current_position.x = X_MAX_BED - (LEVEL_CORNERS_INSET);
-      break;
-    case 2:
-      current_position.y = Y_MAX_BED - (LEVEL_CORNERS_INSET);
-      break;
-    case 3:
-      current_position.x = X_MIN_BED + LEVEL_CORNERS_INSET;
-      break;
+    case 0: current_position   = lf;   break; // copy xy
+    case 1: current_position.x = rb.x; break;
+    case 2: current_position.y = rb.y; break;
+    case 3: current_position.x = lf.x; break;
     #if ENABLED(LEVEL_CENTER_TOO)
-      case 4:
-        current_position.set(X_CENTER, Y_CENTER);
-        break;
+      case 4: current_position.set(X_CENTER, Y_CENTER); break;
     #endif
   }
-  line_to_current_position(MMM_TO_MMS(manual_feedrate_mm_m.x));
+  line_to_current_position(manual_feedrate_mm_s.x);
   line_to_z(LEVEL_CORNERS_HEIGHT);
-  if (++bed_corner > 3
+  if (++bed_corner > (3
     #if ENABLED(LEVEL_CENTER_TOO)
       + 1
     #endif
-  ) bed_corner = 0;
+  )) bed_corner = 0;
 }
 
 static inline void _lcd_level_bed_corners_homing() {
diff --git a/Marlin/src/lcd/ultralcd.cpp b/Marlin/src/lcd/ultralcd.cpp
index 35366d761c..eaeddcd106 100644
--- a/Marlin/src/lcd/ultralcd.cpp
+++ b/Marlin/src/lcd/ultralcd.cpp
@@ -673,7 +673,7 @@ void MarlinUI::quick_feedback(const bool clear_buttons/*=true*/) {
 
     if (manual_move_axis != (int8_t)NO_AXIS && ELAPSED(millis(), manual_move_start_time) && !planner.is_full()) {
 
-      const feedRate_t fr_mm_s = MMM_TO_MMS(manual_feedrate_mm_m[manual_move_axis]);
+      const feedRate_t fr_mm_s = manual_feedrate_mm_s[manual_move_axis];
       #if IS_KINEMATIC
 
         #if EXTRUDERS > 1
diff --git a/Marlin/src/module/planner.h b/Marlin/src/module/planner.h
index 52b6bc1ea4..5f70c06cc5 100644
--- a/Marlin/src/module/planner.h
+++ b/Marlin/src/module/planner.h
@@ -57,7 +57,8 @@
 
 // Feedrate for manual moves
 #ifdef MANUAL_FEEDRATE
-  constexpr xyze_feedrate_t manual_feedrate_mm_m = MANUAL_FEEDRATE;
+  constexpr xyze_feedrate_t _mf = MANUAL_FEEDRATE,
+                            manual_feedrate_mm_s { _mf.x / 60.0f, _mf.y / 60.0f, _mf.z / 60.0f, _mf.e / 60.0f };
 #endif
 
 enum BlockFlagBit : char {