diff --git a/Marlin/src/lcd/extui/ui_api.cpp b/Marlin/src/lcd/extui/ui_api.cpp
index a38d45f073..6744643fa9 100644
--- a/Marlin/src/lcd/extui/ui_api.cpp
+++ b/Marlin/src/lcd/extui/ui_api.cpp
@@ -293,7 +293,7 @@ namespace ExtUI {
     return GET_TEMP_ADJUSTMENT(thermalManager.degHotend(extruder - E0));
   }
 
-  celsius_float_t getTargetTemp_celsius(const heater_t heater) {
+  celsius_t getTargetTemp_celsius(const heater_t heater) {
     switch (heater) {
       #if HAS_HEATED_BED
         case BED: return GET_TEMP_ADJUSTMENT(thermalManager.degTargetBed());
@@ -305,19 +305,19 @@ namespace ExtUI {
     }
   }
 
-  celsius_float_t getTargetTemp_celsius(const extruder_t extruder) {
+  celsius_t getTargetTemp_celsius(const extruder_t extruder) {
     return GET_TEMP_ADJUSTMENT(thermalManager.degTargetHotend(extruder - E0));
   }
 
   //
   // Fan target/actual speed
   //
-  float getTargetFan_percent(const fan_t fan) {
+  uint8_t getTargetFan_percent(const fan_t fan) {
     UNUSED(fan);
     return TERN0(HAS_FAN, thermalManager.fanSpeedPercent(fan - FAN0));
   }
 
-  float getActualFan_percent(const fan_t fan) {
+  uint8_t getActualFan_percent(const fan_t fan) {
     UNUSED(fan);
     return TERN0(HAS_FAN, thermalManager.scaledFanSpeedPercent(fan - FAN0));
   }
diff --git a/Marlin/src/lcd/extui/ui_api.h b/Marlin/src/lcd/extui/ui_api.h
index 6a775fa7c8..8404033b7b 100644
--- a/Marlin/src/lcd/extui/ui_api.h
+++ b/Marlin/src/lcd/extui/ui_api.h
@@ -172,10 +172,10 @@ namespace ExtUI {
   bool isHeaterIdle(const extruder_t);
   celsius_float_t getActualTemp_celsius(const heater_t);
   celsius_float_t getActualTemp_celsius(const extruder_t);
-  celsius_float_t getTargetTemp_celsius(const heater_t);
-  celsius_float_t getTargetTemp_celsius(const extruder_t);
-  float getActualFan_percent(const fan_t);
-  float getTargetFan_percent(const fan_t);
+  celsius_t getTargetTemp_celsius(const heater_t);
+  celsius_t getTargetTemp_celsius(const extruder_t);
+  uint8_t getActualFan_percent(const fan_t);
+  uint8_t getTargetFan_percent(const fan_t);
 
   // High level positions, by Axis ID, Extruder ID
   float getAxisPosition_mm(const axis_t);