diff --git a/RCTAppleHealthKit/RCTAppleHealthKit+Utils.m b/RCTAppleHealthKit/RCTAppleHealthKit+Utils.m
index f6b59c67c90bee339a6fc74e114e0a8dc386a4c1..2c3e1837297b24f2bdf46993019ca8d2537eefdb 100644
--- a/RCTAppleHealthKit/RCTAppleHealthKit+Utils.m
+++ b/RCTAppleHealthKit/RCTAppleHealthKit+Utils.m
@@ -225,6 +225,18 @@
     if([unitString isEqualToString:@"percent"]){
         theUnit = [HKUnit percentUnit];
     }
+    if([unitString isEqualToString:@"bpm"]){
+        HKUnit *count = [HKUnit countUnit];
+        HKUnit *minute = [HKUnit minuteUnit];
+
+        theUnit = [count unitedDividedByUnit:minute];
+    }
+    if([unitString isEqualToString:@"fahrenheit"]){
+        theUnit = [HKUnit degreeFahrenheitUnit];
+    }
+    if([unitString isEqualToString:@"celsius"]){
+        theUnit = [HKUnit degreeCelsiusUnit];
+    }
 
     if(theUnit == nil){
         theUnit = defaultValue;
diff --git a/constants.js b/constants.js
index dea18da2790039f365292cde2c908e968414fa69..0b04bcfe9432d39c98a9e24d6746a4ee2fa4abf9 100644
--- a/constants.js
+++ b/constants.js
@@ -42,7 +42,10 @@ const UNITS = {
 	joule: 'joule',
 	calorie: 'calorie',
 	count: 'count',
-	percent: 'percent'
+	percent: 'percent',
+	bpm: 'bpm',
+	fahrenheit: 'fahrenheit',
+	celsius: 'celsius',
 };