diff --git a/gui/newrecipedialog.cpp b/gui/newrecipedialog.cpp
index 818f180..15364f0 100644
--- a/gui/newrecipedialog.cpp
+++ b/gui/newrecipedialog.cpp
@@ -3,12 +3,40 @@
 
 NewRecipeDialog::NewRecipeDialog(QWidget *parent) :
 	QDialog(parent),
-	ui(new Ui::NewRecipeDialog)
-{
+	ui(new Ui::NewRecipeDialog){
 	ui->setupUi(this);
 }
 
-NewRecipeDialog::~NewRecipeDialog()
-{
+NewRecipeDialog::NewRecipeDialog(RecipeDatabase *db, QWidget *parent) : NewRecipeDialog(parent){
+	this->recipeDB = db;
+
+
+	this->populateIngredientsBox();
+	this->populateUnitsBox();
+}
+
+NewRecipeDialog::~NewRecipeDialog(){
 	delete ui;
 }
+
+void NewRecipeDialog::on_toolButton_clicked(){
+	ui->instructionsTextEdit->setFontItalic(!ui->instructionsTextEdit->fontItalic());
+}
+
+void NewRecipeDialog::populateIngredientsBox(){
+	this->ingredients = this->recipeDB->retrieveAllIngredients();
+	ui->ingredientNameBox->clear();
+	for (unsigned int i = 0; i < this->ingredients.size(); i++){
+		QString s = QString::fromStdString(this->ingredients[i].getName());
+		ui->ingredientNameBox->insertItem(i, s);
+	}
+}
+
+void NewRecipeDialog::populateUnitsBox(){
+	this->units = this->recipeDB->retrieveAllUnitsOfMeasure();
+	ui->unitComboBox->clear();
+	for (unsigned int i = 0; i < this->units.size(); i++){
+		QString s = QString::fromStdString(this->units[i].getName());
+		ui->unitComboBox->insertItem(i, s);
+	}
+}
diff --git a/gui/newrecipedialog.h b/gui/newrecipedialog.h
index 30c34a2..81272e4 100644
--- a/gui/newrecipedialog.h
+++ b/gui/newrecipedialog.h
@@ -2,6 +2,9 @@
 #define NEWRECIPEDIALOG_H
 
 #include <QDialog>
+#include <QTextCharFormat>
+
+#include "model/database/recipedatabase.h"
 
 namespace Ui {
 class NewRecipeDialog;
@@ -13,10 +16,21 @@ class NewRecipeDialog : public QDialog
 
 	public:
 		explicit NewRecipeDialog(QWidget *parent = 0);
+		NewRecipeDialog(RecipeDatabase *db, QWidget *parent = 0);
 		~NewRecipeDialog();
 
+	private slots:
+		void on_toolButton_clicked();
+
 	private:
 		Ui::NewRecipeDialog *ui;
+		RecipeDatabase *recipeDB;
+		vector<Ingredient> ingredients;
+		vector<UnitOfMeasure> units;
+
+		//Helper functions to fill fields.
+		void populateIngredientsBox();
+		void populateUnitsBox();
 };
 
 #endif // NEWRECIPEDIALOG_H
diff --git a/gui/newrecipedialog.ui b/gui/newrecipedialog.ui
index 0482bfe..9be836e 100644
--- a/gui/newrecipedialog.ui
+++ b/gui/newrecipedialog.ui
@@ -10,7 +10,7 @@
     <x>0</x>
     <y>0</y>
     <width>640</width>
-    <height>640</height>
+    <height>689</height>
    </rect>
   </property>
   <property name="sizePolicy">
@@ -22,40 +22,43 @@
   <property name="windowTitle">
    <string>New Recipe</string>
   </property>
-  <property name="styleSheet">
-   <string notr="true">font: 25 14pt &quot;Noto Sans CJK KR&quot;;</string>
-  </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item alignment="Qt::AlignTop">
-    <widget class="QWidget" name="recipeNamePanel" native="true">
+    <widget class="QWidget" name="mainContentPanel" native="true">
      <layout class="QVBoxLayout" name="verticalLayout_2">
       <item>
-       <widget class="QLabel" name="recipeNameLabel">
-        <property name="font">
-         <font>
-          <family>Noto Sans CJK KR</family>
-          <pointsize>14</pointsize>
-          <weight>3</weight>
-          <italic>false</italic>
-          <bold>false</bold>
-         </font>
-        </property>
-        <property name="text">
-         <string>New Recipe Name</string>
-        </property>
-        <property name="alignment">
-         <set>Qt::AlignCenter</set>
-        </property>
-       </widget>
-      </item>
-      <item>
-       <widget class="QLineEdit" name="recipeNameEdit">
-        <property name="alignment">
-         <set>Qt::AlignCenter</set>
-        </property>
-        <property name="placeholderText">
-         <string>Recipe Name</string>
-        </property>
+       <widget class="QWidget" name="recipeNamePanel" native="true">
+        <layout class="QVBoxLayout" name="verticalLayout_9">
+         <item>
+          <widget class="QLabel" name="recipeNameLabel">
+           <property name="font">
+            <font>
+             <family>Noto Sans CJK KR</family>
+             <pointsize>14</pointsize>
+             <weight>50</weight>
+             <italic>false</italic>
+             <bold>false</bold>
+            </font>
+           </property>
+           <property name="text">
+            <string>Edit Recipe</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QLineEdit" name="recipeNameEdit">
+           <property name="alignment">
+            <set>Qt::AlignCenter</set>
+           </property>
+           <property name="placeholderText">
+            <string>Recipe Name</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
        </widget>
       </item>
       <item>
@@ -83,7 +86,7 @@
                 <second>0</second>
                 <year>1999</year>
                 <month>12</month>
-                <day>29</day>
+                <day>28</day>
                </datetime>
               </property>
               <property name="currentSection">
@@ -185,7 +188,7 @@
           <enum>QLayout::SetMaximumSize</enum>
          </property>
          <item>
-          <widget class="QLabel" name="label_4">
+          <widget class="QLabel" name="ingredientsPanelLabel">
            <property name="text">
             <string>Ingredients</string>
            </property>
@@ -198,7 +201,7 @@
           <widget class="QWidget" name="ingredientsSubPanel" native="true">
            <layout class="QHBoxLayout" name="horizontalLayout_2">
             <item alignment="Qt::AlignLeft">
-             <widget class="QListView" name="listView">
+             <widget class="QListView" name="ingredientsListView">
               <property name="batchSize">
                <number>100</number>
               </property>
@@ -303,7 +306,7 @@
                      <font>
                       <family>Noto Sans CJK KR</family>
                       <pointsize>14</pointsize>
-                      <weight>3</weight>
+                      <weight>50</weight>
                       <italic>false</italic>
                       <bold>false</bold>
                      </font>
@@ -329,12 +332,12 @@
                     </property>
                    </widget>
                   </item>
+                  <item>
+                   <widget class="QComboBox" name="unitComboBox"/>
+                  </item>
                  </layout>
                 </widget>
                </item>
-               <item>
-                <widget class="QComboBox" name="unitComboBox"/>
-               </item>
                <item>
                 <widget class="QLineEdit" name="commentsLineEdit">
                  <property name="minimumSize">
@@ -373,6 +376,39 @@
         </layout>
        </widget>
       </item>
+      <item>
+       <widget class="QWidget" name="instructionsPanel" native="true">
+        <layout class="QVBoxLayout" name="verticalLayout_8">
+         <item>
+          <widget class="QLabel" name="instructionsLabel">
+           <property name="text">
+            <string>Instructions</string>
+           </property>
+           <property name="alignment">
+            <set>Qt::AlignCenter</set>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QToolButton" name="toolButton">
+           <property name="text">
+            <string>italics</string>
+           </property>
+           <property name="toolButtonStyle">
+            <enum>Qt::ToolButtonIconOnly</enum>
+           </property>
+          </widget>
+         </item>
+         <item>
+          <widget class="QTextEdit" name="instructionsTextEdit">
+           <property name="placeholderText">
+            <string>Enter instructions here.</string>
+           </property>
+          </widget>
+         </item>
+        </layout>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>
diff --git a/main.cpp b/main.cpp
index 38b8ee6..3f700e5 100644
--- a/main.cpp
+++ b/main.cpp
@@ -16,21 +16,21 @@ int main(int argc, char *argv[])
 	RecipeDatabase recipeDB("recipes");
 
 	//TESTING CODE
-//	vector<RecipeIngredient> ri;
-//	ri.push_back(RecipeIngredient("flour", "grains", 3.0f, UnitOfMeasure("cup", "cups", "c")));
-//	ri.push_back(RecipeIngredient("Baking Powder", "Additives", 1.0f, UnitOfMeasure("Teaspoon", "Teaspoons", "Tsp")));
+	vector<RecipeIngredient> ri;
+	ri.push_back(RecipeIngredient("flour", "grains", 3.0f, UnitOfMeasure("cup", "cups", "c", UnitOfMeasure::VOLUME, 1.0), ""));
+	ri.push_back(RecipeIngredient("Baking Powder", "Additives", 1.0f, UnitOfMeasure("Teaspoon", "Teaspoons", "Tsp", UnitOfMeasure::VOLUME, 1.0), ""));
 
-//	Recipe rec("Example", ri, Instruction("<b>BOLD</b><i>iTaLiCs</i>"), QImage(), vector<RecipeTag>(), QDate::currentDate(), QTime(0, 30), QTime(0, 25), 10.0f);
+	Recipe rec("Example", ri, Instruction("<b>BOLD</b><i>iTaLiCs</i>"), QImage(), vector<RecipeTag>(), QDate::currentDate(), QTime(0, 30), QTime(0, 25), 10.0f);
 
-//	bool success = recipeDB.storeRecipe(rec);
-//	printf("Storage successful: %d\n", success);
+	bool success = recipeDB.storeRecipe(rec);
+	printf("Storage successful: %d\n", success);
 
 	Recipe reloadRec = recipeDB.retrieveRecipe("Example");
 	reloadRec.print();
 
 	w.loadFromRecipe(reloadRec);
 
-	NewRecipeDialog d;
+	NewRecipeDialog d(&recipeDB);
 	d.show();
 	d.exec();
 
diff --git a/model/database/database.cpp b/model/database/database.cpp
index 6fb4394..636a137 100644
--- a/model/database/database.cpp
+++ b/model/database/database.cpp
@@ -42,7 +42,7 @@ ResultTable Database::selectFrom(string tableName, string columnNames, string co
 	if (columnNames.size() == 0 || tableName.empty()){
 		return ResultTable();
 	}
-	string query = "SELECT " + columnNames + " FROM " + tableName + " WHERE " + conditions + ";";
+	string query = "SELECT " + columnNames + " FROM " + tableName + " " + conditions + ";";
 	return this->executeSQL(query);
 }
 
@@ -81,8 +81,7 @@ bool Database::tableExists(string tableName){
 	if (tableName.empty() || this->db == NULL || !this->dbIsOpen){
 		return false;
 	}
-	ResultTable t = this->selectFrom("sqlite_master", "name", "type='table' AND name='"+tableName+"'");
-	//ResultTable t = executeSQL("SELECT name FROM sqlite_master WHERE type='table' AND name='"+tableName+"';");
+	ResultTable t = this->selectFrom("sqlite_master", "name", "WHERE type='table' AND name='"+tableName+"'");
 	return !t.isEmpty();
 }
 
diff --git a/model/database/recipedatabase.cpp b/model/database/recipedatabase.cpp
index bc23000..37f23ce 100644
--- a/model/database/recipedatabase.cpp
+++ b/model/database/recipedatabase.cpp
@@ -5,9 +5,9 @@ RecipeDatabase::RecipeDatabase(string filename) : Database(filename){
 }
 
 bool RecipeDatabase::storeRecipe(Recipe recipe){
-	///TODO: Implement this in a smart way using transaction.
+	//Store a recipe, if it doesn't already exist. This first tries to create the recipe entry, then all subsequent supporting table entries.
 	this->executeSQL("BEGIN;");
-	ResultTable t = this->selectFrom("recipe", "*", "name="+surroundString(recipe.getName(), "'"));
+	ResultTable t = this->selectFrom("recipe", "*", "WHERE name="+surroundString(recipe.getName(), "'"));
 	if (!t.isEmpty()){
 		fprintf(stderr, "Error storing recipe: Recipe with name %s already exists.\n", recipe.getName().c_str());
 	} else {
@@ -50,17 +50,11 @@ bool RecipeDatabase::storeRecipe(Recipe recipe){
 }
 
 bool RecipeDatabase::storeRecipeIngredient(RecipeIngredient ri, int recipeId){
-	//First check if the base ingredient has been added to the database. This is done within storeIngredient().
-	ResultTable t = this->selectFrom("ingredient", "ingredientId", "name="+surroundString(ri.getName(), "'"));
-	int ingId = 0;
-	if (t.isEmpty()){
-		if (!this->insertInto("ingredient", vector<string>({"foodGroup", "name"}), vector<string>({ri.getFoodGroup(), ri.getName()}))){
-			return false;
-		}
-		ingId = this->getLastInsertedRowId();
-	} else {
-		ingId = std::stoi(t.valueAt(0, 0));
-	}
+	int ingId = this->storeIngredient(ri);
+	if (ingId < 0) return false;
+
+	if (!this->storeUnitOfMeasure(ri.getUnit())) return false;
+
 	return this->insertInto("recipeIngredient",
 					 vector<string>({
 										"ingredientId",
@@ -78,13 +72,43 @@ bool RecipeDatabase::storeRecipeIngredient(RecipeIngredient ri, int recipeId){
 									}));
 }
 
-void RecipeDatabase::storeIngredient(Ingredient ingredient){
-	ResultTable t = this->selectFrom("ingredient", "*", "name="+surroundString(ingredient.getName(), "'"));
+int RecipeDatabase::storeIngredient(Ingredient ingredient){
+	ResultTable t = this->selectFrom("ingredient", "*", "WHERE name="+surroundString(ingredient.getName(), "'"));
 	if (t.isEmpty()){
-		this->insertInto("ingredient", vector<string>({"foodGroup", "name"}), vector<string>({ingredient.getFoodGroup(), ingredient.getName()}));
+		bool success = this->insertInto("ingredient", vector<string>({"foodGroup", "name"}), vector<string>({ingredient.getFoodGroup(), ingredient.getName()}));
+		if (success){
+			return this->getLastInsertedRowId();
+		} else {
+			return -1;
+		}
+	} else {
+		return std::stoi(t.valueAt(0, 0));
 	}
 }
 
+bool RecipeDatabase::storeUnitOfMeasure(UnitOfMeasure u){
+	ResultTable t = this->selectFrom("unitOfMeasure", "name", "WHERE name="+surroundString(u.getName(), "'"));
+	if (!t.isEmpty()){
+		return true;
+	}
+	bool success = this->insertInto("unitOfMeasure",
+									vector<string>({
+													   "name",
+													   "plural",
+													   "abbreviation",
+													   "type",
+													   "metricCoefficient"
+												   }),
+									vector<string>({
+													   u.getName(),
+													   u.getNamePlural(),
+													   u.getAbbreviation(),
+													   std::to_string(u.getType()),
+													   std::to_string(u.getMetricCoefficient())
+												   }));
+	return success;
+}
+
 bool RecipeDatabase::storeInstruction(Instruction instruction, int recipeId){
 	return FileUtils::saveInstruction(recipeId, instruction);
 }
@@ -112,7 +136,7 @@ bool RecipeDatabase::storeTags(vector<RecipeTag> tags, int recipeId){
 }
 
 Recipe RecipeDatabase::retrieveRecipe(string name){
-	ResultTable t = this->selectFrom("recipe", "*", "name="+surroundString(name, "'"));
+	ResultTable t = this->selectFrom("recipe", "*", "WHERE name="+surroundString(name, "'"));
 	if (t.isEmpty()){
 		fprintf(stderr, "Error: No recipe with name %s found!\n", name.c_str());
 		return Recipe();
@@ -131,19 +155,49 @@ Recipe RecipeDatabase::retrieveRecipe(string name){
 }
 
 vector<RecipeIngredient> RecipeDatabase::retrieveRecipeIngredients(int recipeId){
-	ResultTable t = this->executeSQL("SELECT ingredient.name, ingredient.foodGroup, recipeIngredient.quantity, recipeIngredient.unitName, recipeIngredient.comment "
+	ResultTable t = this->executeSQL("SELECT ingredient.name, ingredient.foodGroup, "//0, 1
+									 "recipeIngredient.quantity, recipeIngredient.unitName, recipeIngredient.comment,"//2, 3, 4
+									 "unitOfMeasure.name, unitOfMeasure.plural, unitOfMeasure.abbreviation, unitOfMeasure.type, unitOfMeasure.metricCoefficient "//5, 6, 7, 8, 9
 									 "FROM ingredient "
 									 "INNER JOIN recipeIngredient "
 									 "ON ingredient.ingredientId = recipeIngredient.ingredientId "
-									 "AND recipeIngredient.recipeId = "+std::to_string(recipeId)+";");
+									 "INNER JOIN unitOfMeasure "
+									 "ON recipeIngredient.unitName = unitOfMeasure.name "
+									 "WHERE recipeIngredient.recipeId = "+std::to_string(recipeId)+";");
 	vector<RecipeIngredient> ings;
 	for (unsigned int row = 0; row < t.rowCount(); row++){
-		RecipeIngredient r(t.valueAt(row, 0), t.valueAt(row, 1), std::stof(t.valueAt(row, 2)), UnitOfMeasure(t.valueAt(row, 3)));
+		RecipeIngredient r(t.valueAt(row, 0),
+						   t.valueAt(row, 1),
+						   std::stof(t.valueAt(row, 2)),
+						   UnitOfMeasure(t.valueAt(row, 5), t.valueAt(row, 6), t.valueAt(row, 7), std::stoi(t.valueAt(row, 8)), std::stod(t.valueAt(row, 9))),
+						   t.valueAt(row, 4));
 		ings.push_back(r);
 	}
 	return ings;
 }
 
+vector<Ingredient> RecipeDatabase::retrieveAllIngredients(){
+	ResultTable t = this->selectFrom("ingredient", "*", "ORDER BY name");
+	vector<Ingredient> ings;
+	for (unsigned int row = 0; row < t.rowCount(); row++){
+		Ingredient i(t.valueAt(row, 2), t.valueAt(row, 1));
+		ings.push_back(i);
+	}
+	return ings;
+}
+
+vector<UnitOfMeasure> RecipeDatabase::retrieveAllUnitsOfMeasure(){
+	ResultTable t = this->selectFrom("unitOfMeasure", "*", "ORDER BY name");
+	vector<UnitOfMeasure> units;
+	if (!t.isEmpty()){
+		for (unsigned int row = 0; row < t.rowCount(); row++){
+			UnitOfMeasure u(t.valueAt(row, 0), t.valueAt(row, 1), t.valueAt(row, 2), std::stoi(t.valueAt(row, 3)), std::stod(t.valueAt(row, 4)));
+			units.push_back(u);
+		}
+	}
+	return units;
+}
+
 void RecipeDatabase::ensureTablesExist(){
 	//Make sure that foreign keys are enabled.
 	this->executeSQL("PRAGMA foreign_keys = ON;");
@@ -154,6 +208,13 @@ void RecipeDatabase::ensureTablesExist(){
 					 "ingredientId INTEGER PRIMARY KEY,"
 					 "foodGroup varchar,"
 					 "name varchar UNIQUE);");
+	//Unit of Measure table.
+	this->executeSQL("CREATE TABLE IF NOT EXISTS unitOfMeasure("
+					 "name varchar UNIQUE PRIMARY KEY,"
+					 "plural varchar,"
+					 "abbreviation varchar,"
+					 "type int,"
+					 "metricCoefficient real);");
 	//Recipe table. Each recipe can have at most one instruction, and one image.
 	this->executeSQL("CREATE TABLE IF NOT EXISTS recipe("
 					 "recipeId INTEGER PRIMARY KEY,"
@@ -175,6 +236,7 @@ void RecipeDatabase::ensureTablesExist(){
 					 "unitName varchar,"
 					 "comment varchar,"
 					 "FOREIGN KEY (ingredientId) REFERENCES ingredient(ingredientId),"
-					 "FOREIGN KEY (recipeId) REFERENCES recipe(recipeId));");
+					 "FOREIGN KEY (recipeId) REFERENCES recipe(recipeId),"
+					 "FOREIGN KEY (unitName) REFERENCES unitOfMeasure(name));");
 	this->executeSQL("COMMIT;");
 }
diff --git a/model/database/recipedatabase.h b/model/database/recipedatabase.h
index e91b45d..446536c 100644
--- a/model/database/recipedatabase.h
+++ b/model/database/recipedatabase.h
@@ -22,14 +22,19 @@ class RecipeDatabase : public Database
 		bool storeRecipe(Recipe recipe);
 
 		//SQL Helper methods.
+		//Storage.
 		bool storeRecipeIngredient(RecipeIngredient ri, int recipeId);
-		void storeIngredient(Ingredient ingredient);
+		int storeIngredient(Ingredient ingredient);
+		bool storeUnitOfMeasure(UnitOfMeasure u);
 		bool storeInstruction(Instruction instruction, int recipeId);
 		bool storeImage(QImage image, int recipeId);
 		bool storeTags(vector<RecipeTag> tags, int recipeId);
 
+		//Retrieval.
 		Recipe retrieveRecipe(string name);
 		vector<RecipeIngredient> retrieveRecipeIngredients(int recipeId);
+		vector<Ingredient> retrieveAllIngredients();
+		vector<UnitOfMeasure> retrieveAllUnitsOfMeasure();
 	private:
 
 		//Utility methods.
diff --git a/model/recipe/ingredients/recipeingredient.cpp b/model/recipe/ingredients/recipeingredient.cpp
index c48155c..7a3b75a 100644
--- a/model/recipe/ingredients/recipeingredient.cpp
+++ b/model/recipe/ingredients/recipeingredient.cpp
@@ -1,15 +1,17 @@
 #include "model/recipe/ingredients/recipeingredient.h"
 
-RecipeIngredient::RecipeIngredient(string name, string foodGroup, float quantity, UnitOfMeasure unit) : Ingredient(name, foodGroup){
+RecipeIngredient::RecipeIngredient(string name, string foodGroup, float quantity, UnitOfMeasure unit, string comment) : Ingredient(name, foodGroup){
     setQuantity(quantity);
     setUnit(unit);
+	setComment(comment);
 }
 
-RecipeIngredient::RecipeIngredient(Ingredient i, float quantity, UnitOfMeasure unit){
+RecipeIngredient::RecipeIngredient(Ingredient i, float quantity, UnitOfMeasure unit, string comment){
     setName(i.getName());
     setFoodGroup(i.getFoodGroup());
     setQuantity(quantity);
 	setUnit(unit);
+	setComment(comment);
 }
 
 RecipeIngredient::RecipeIngredient(){
diff --git a/model/recipe/ingredients/recipeingredient.h b/model/recipe/ingredients/recipeingredient.h
index 70c20f6..ae5fef9 100644
--- a/model/recipe/ingredients/recipeingredient.h
+++ b/model/recipe/ingredients/recipeingredient.h
@@ -16,9 +16,9 @@ class RecipeIngredient : public Ingredient
 {
 public:
     //Constructor for new RecipeIngredient without starting child ingredient.
-    RecipeIngredient(string name, string foodGroup, float quantity, UnitOfMeasure unit);
+	RecipeIngredient(string name, string foodGroup, float quantity, UnitOfMeasure unit, string comment);
     //Constructor using data from a child ingredient.
-    RecipeIngredient(Ingredient i, float quantity, UnitOfMeasure unit);
+	RecipeIngredient(Ingredient i, float quantity, UnitOfMeasure unit, string comment);
 	RecipeIngredient();
 
     //Getters
diff --git a/model/recipe/ingredients/unitofmeasure.cpp b/model/recipe/ingredients/unitofmeasure.cpp
index 7b4a0f8..dedcb75 100644
--- a/model/recipe/ingredients/unitofmeasure.cpp
+++ b/model/recipe/ingredients/unitofmeasure.cpp
@@ -1,10 +1,11 @@
 #include "unitofmeasure.h"
 
-UnitOfMeasure::UnitOfMeasure(string name, string plural, string abbreviation, int type){
+UnitOfMeasure::UnitOfMeasure(string name, string plural, string abbreviation, int type, double coef){
     this->name = name;
     this->plural = plural;
 	this->abbreviation = abbreviation;
 	this->type = type;
+	this->metricCoefficient = coef;
 }
 
 UnitOfMeasure::UnitOfMeasure(string name){
@@ -12,10 +13,11 @@ UnitOfMeasure::UnitOfMeasure(string name){
 	this->plural = name + "s";
 	this->abbreviation = "NULL";
 	this->type = MISC;
+	this->metricCoefficient = 1;
 	///TODO: Make actual guessing of this stuff.
 }
 
-UnitOfMeasure::UnitOfMeasure() : UnitOfMeasure::UnitOfMeasure("", "", "", MISC){
+UnitOfMeasure::UnitOfMeasure() : UnitOfMeasure::UnitOfMeasure("", "", "", MISC, 1.0){
     //Default constructor initializes all fields to empty strings.
 }
 
@@ -34,3 +36,7 @@ string UnitOfMeasure::getAbbreviation() const{
 int UnitOfMeasure::getType() const{
 	return this->type;
 }
+
+double UnitOfMeasure::getMetricCoefficient() const{
+	return this->metricCoefficient;
+}
diff --git a/model/recipe/ingredients/unitofmeasure.h b/model/recipe/ingredients/unitofmeasure.h
index 1197089..b446e2e 100644
--- a/model/recipe/ingredients/unitofmeasure.h
+++ b/model/recipe/ingredients/unitofmeasure.h
@@ -19,7 +19,7 @@ public:
 	static const int MISC = 4;
 
     //Full constructor.
-	UnitOfMeasure(string name, string plural, string abbreviation, int type);
+	UnitOfMeasure(string name, string plural, string abbreviation, int type, double coef);
 	//Attempt to guess unit from just a string.
 	UnitOfMeasure(string name);
     //Constructor with default values.
@@ -30,6 +30,7 @@ public:
     string getNamePlural() const;
     string getAbbreviation() const;
 	int getType() const;
+	double getMetricCoefficient() const;
 private:
     string name;                //The name of the unit of measure.
     string plural;              //The plural name.