diff --git a/commons/src/main/java/commons/FormalIngredient.java b/commons/src/main/java/commons/FormalIngredient.java
index 88d713a..4fb1eed 100644
--- a/commons/src/main/java/commons/FormalIngredient.java
+++ b/commons/src/main/java/commons/FormalIngredient.java
@@ -55,8 +55,50 @@ public class FormalIngredient extends RecipeIngredient implements Scalable<Forma
         }
         return amount * unit.get().conversionFactor;
     }
+
+    public String normalisedUnit(){
+        Optional<Unit> unit = Unit.fromString(unitSuffix);
+        if (unit.isEmpty() || !unit.get().isFormal() || unit.get().conversionFactor <= 0) {
+            return amount + unitSuffix;
+        }
+
+        Unit currentUnit = unit.get();
+        double baseAmount = amount * currentUnit.conversionFactor;
+
+        if(currentUnit == Unit.GRAMME){
+            if(baseAmount >= Unit.TONNE.conversionFactor){
+                return baseAmount /Unit.TONNE.conversionFactor + Unit.TONNE.suffix;
+            }
+            if(baseAmount >=Unit.KILOGRAMME.conversionFactor) {
+                return baseAmount / Unit.KILOGRAMME.conversionFactor + Unit.KILOGRAMME.suffix;
+            }
+        }
+
+        if (currentUnit == Unit.MILLILITRE && baseAmount >= Unit.LITRE.conversionFactor) {
+            return baseAmount /Unit.LITRE.conversionFactor + Unit.LITRE.suffix;
+        }
+
+
+        if(currentUnit == Unit.TABLESPOON){
+            if(amount>=32){
+                return amount/32 + Unit.POUND.suffix;
+            }
+            if(amount>=16){
+                return amount /16 + Unit.CUP.suffix;
+            }
+            if(amount>=2){
+                return amount /2 + Unit.OUNCE.suffix;
+            }
+        }
+        if (currentUnit == Unit.OUNCE && baseAmount >= 16) {
+            return amount / 16 + Unit.POUND.suffix;
+        }
+
+        return amount + currentUnit.suffix;
+    }
+
     public String toString() {
-        return amount + unitSuffix + " of " + ingredient.name;
+        return normalisedUnit()+ " of " + ingredient.name;
     }
 
     @Override