diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index 1ef30aff..99e78309 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -18,7 +18,10 @@
 <resources>
 
     <string name="app_name">Unit Converter Ultimate</string>
-    <string name="title_activity_donate">Vuoi Donare?</string>
+    <string name="title_activity_acknowledgements">Ringraziamenti</string>
+    <string name="prefs_title_acknowledgements">Ringraziamenti</string>
+    <string name="prefs_summary_acknowledgements">Un grandissimo grazie a questi bravi ragazzi!</string>
+    <string name="title_activity_donate">Vuoi donare?</string>
     <string name="title_activity_settings">Impostazioni</string>
     <string name="text_from">Da</string>
     <string name="text_to">A</string>
@@ -45,43 +48,60 @@
 
     <string name="prefs_title_formatting">Formattazione</string>
     <string name="prefs_summary_number_decimals">Imposta il numero di posizioni decimali preferito per la conversione della valuta</string>
-    <string name="prefs_title_number_decimals">Numero di Decimali</string>
+    <string name="prefs_title_number_decimals">Numero di decimali</string>
     <string name="prefs_summary_group_separator">Imposta il tipo di simbolo di raggruppamento preferito per la conversione della valuta</string>
-    <string name="prefs_title_group_separator">Simbolo di Raggruppamento</string>
+    <string name="prefs_title_group_separator">Simbolo di raggruppamento</string>
     <string name="prefs_summary_decimal_separator">Imposta il separatore decimale preferito per la conversione della valuta</string>
-    <string name="prefs_title_decimal_separator">Separatore Decimale</string>
+    <string name="prefs_title_decimal_separator">Separatore decimale</string>
     <string name="prefs_title_visual">Aspetto</string>
-    <string name="prefs_title_light_theme">Usa Tema Chiaro</string>
-    <string name="prefs_title_language">Linguaggio</string>
-    <string name="prefs_summary_language">Scegli la lingua da utilizzare in tutta l\'app</string>
+    <string name="prefs_title_light_theme">Usa tema chiaro</string>
+    <string name="prefs_title_language">Lingua</string>
+    <string name="prefs_summary_language">Scegli la lingua da utilizzare nell\'app</string>
     <string name="prefs_title_other">Altro</string>
-    <string name="prefs_title_source_code">Controlla Codice Sorgente</string>
+    <string name="prefs_title_source_code">Controlla codice sorgente</string>
     <string name="pref_summary_source_code">Unit Converter Ultimate è open source! Dai un\'occhiata al codice su GitHub.</string>
-    <string name="prefs_title_unit_request">Richiedi Unità Mancante</string>
+    <string name="prefs_title_unit_request">Richiedi unità mancante</string>
     <string name="prefs_summary_unit_request">Vorresti aggiungere altre unità di misura? Inviami una email.</string>
     <string name="prefs_title_rate">Vota su Google Play</string>
     <string name="prefs_summary_rate">Ti piace Unit Converter Ultimate? Allora perché non ci dai 5 stelle?</string>
     <string name="prefs_title_donate">Dona</string>
     <string name="prefs_summary_donate">Regalaci un sorriso sostenendo il team di sviluppo :)</string>
-    <string name="prefs_title_open_issue">Trovato un Bug?</string>
-    <string name="prefs_summary_open_issue">Inviaci una segnalazione su GitHub.</string>
-    <string name="prefs_title_privacy_policy">politica sulla riservatezza</string>
+    <string name="prefs_title_open_issue">Trovato un bug?</string>
+    <string name="prefs_summary_open_issue">Apri una issue su GitHub.</string>
+    <string name="prefs_title_privacy_policy">Informativa sulla privacy</string>
     <string name="prefs_summary_privacy_policy">La tua privacy è importante.</string>
 
     <string name="dialog_btn_got_it">OK</string>
     <string name="dialog_title_help">Aiuto</string>
-    <string name="dialog_message_help">Usa il menu a comparsa per navigare fra le varie tipologie di conversione e seleziona quella che ti interessa.\n\nIl valore convertito è completamente personalizzabile. Usa il menu delle impostazioni per selezionare il numero di posizioni decimali, il simbolo di ragruppamento e il separatore decimale.\n\nTieni premuto sul valore convertito per copiarlo.</string>
-    <string name="dialog_btn_view_source">Vedi Sorgente</string>
+    <string name="dialog_message_help">Usa il menu a comparsa per navigare fra le varie tipologie di conversione e seleziona quella che ti interessa.\n\nIl valore convertito è completamente personalizzabile. Usa il menu delle impostazioni per selezionare il numero di posizioni decimali, il simbolo di raggruppamento e il separatore decimale.\n\nTieni premuto sul valore convertito per copiarlo.</string>
+    <string name="dialog_btn_view_source">Vedi sorgente</string>
+  
+  <!-- Language values -->
+    <string name="language_default" translatable="false">Default di sistema</string>
+    <string name="language_english" translatable="false">Inglese</string>
+    <string name="language_croatian" translatable="false">Croato</string>
+    <string name="language_dutch" translatable="false">Olandese</string>    
+    <string name="language_farsi" translatable="false">Farsi</string>
+    <string name="language_french" translatable="false">Francese</string>
+    <string name="language_german" translatable="false">Tedesco</string>
+    <string name="language_hungarian" translatable="false">Ungherese</string>
+    <string name="language_italian" translatable="false">Italiano</string>
+    <string name="language_japanese" translatable="false">Giapponese</string>
+    <string name="language_norwegian">Norvegese</string>
+    <string name="language_portuguese_brazil" translatable="false">Portoghese (Brasile)</string>
+    <string name="language_russian" translatable="false">Russo</string>
+    <string name="language_spanish" translatable="false">Spagnolo</string>
+    <string name="language_turkish" translatable="false">Turco</string>
 
     <!-- Conversions -->
     <string name="area">Area</string>
     <string name="cooking">Cucina</string>
     <string name="currency">Valuta</string>
-    <string name="storage">Dimensione Dati</string>
+    <string name="storage">Dimensione dati</string>
     <string name="energy">Energia</string>
-    <string name="fuel_consumption">Carburante</string>
-    <string name="length">Lunghezza / Distanza</string>
-    <string name="mass">Massa / Peso</string>
+    <string name="fuel_consumption">Consumo carburante</string>
+    <string name="length">Lunghezza/Distanza</string>
+    <string name="mass">Massa/Peso</string>
     <string name="power">Potenza</string>
     <string name="pressure">Pressione</string>
     <string name="speed">Velocità</string>
@@ -91,14 +111,14 @@
     <string name="volume">Volume</string>
 
     <!-- Area -->
-    <string name="sq_kilometre">Chilometro Quadrato</string>
-    <string name="sq_metre">Metro Quadrato</string>
-    <string name="sq_centimetre">Centimetro Quadrato</string>
+    <string name="sq_kilometre">Kilometro quadrato</string>
+    <string name="sq_metre">Metro quadrato</string>
+    <string name="sq_centimetre">Centimetro quadrato</string>
     <string name="hectare">Ettaro</string>
-    <string name="sq_mile">Miglio Quadrato</string>
-    <string name="sq_yard">Iarda Quadrata</string>
-    <string name="sq_foot">Piede Quadrato</string>
-    <string name="sq_inch">Pollice Quadrato</string>
+    <string name="sq_mile">Miglio quadrato</string>
+    <string name="sq_yard">Iarda quadrata</string>
+    <string name="sq_foot">Piede quadrato</string>
+    <string name="sq_inch">Pollice quadrato</string>
     <string name="acre">Acro</string>
 
     <!-- Digital Storage -->
@@ -115,24 +135,24 @@
 
     <!-- Energy -->
     <string name="joule">Joule</string>
-    <string name="kilojoule">Chilojoule</string>
+    <string name="kilojoule">Kilojoule</string>
     <string name="calorie">Caloria</string>
-    <string name="kilocalorie">Chilocaloria</string>
+    <string name="kilocalorie">Kilocaloria</string>
     <string name="btu">BTU</string>
     <string name="ft_lbF">Piede per libbra</string>
     <string name="in_lbF">Pollice per libbra</string>
-    <string name="kilowatt_hour">Chilowattora</string>
+    <string name="kilowatt_hour">Kilowattora</string>
     <string name="electron_volt">Elettronvolt</string>
 
     <!-- Fuel Consumption -->
     <string name="mpg_us">Miglio/gallone (USA)</string>
     <string name="mpg_uk">Miglio/gallone (GB)</string>
     <string name="l_100k">Litro/100km</string>
-    <string name="km_l">Chilometro/litro</string>
+    <string name="km_l">Kilometro/litro</string>
     <string name="miles_l">Miglio/litro</string>
 
     <!-- Distance -->
-    <string name="kilometre">Chilometro</string>
+    <string name="kilometre">Kilometro</string>
     <string name="mile">Miglio</string>
     <string name="metre">Metro</string>
     <string name="centimetre">Centimetro</string>
@@ -142,12 +162,12 @@
     <string name="yard">Iarda</string>
     <string name="feet">Piede</string>
     <string name="inch">Pollice</string>
-    <string name="nautical_mile">Miglio Nautico</string>
+    <string name="nautical_mile">Miglio nautico</string>
     <string name="furlong">Furlong</string>
-    <string name="light_year">Anno Luce</string>
+    <string name="light_year">Anno luce</string>
 
     <!-- Mass/Weight -->
-    <string name="kilogram">Chilogrammo</string>
+    <string name="kilogram">Kilogrammo</string>
     <string name="pound">Libbra</string>
     <string name="gram">Grammo</string>
     <string name="milligram">Milligrammo</string>
@@ -155,34 +175,34 @@
     <string name="grain">Grano</string>
     <string name="stone">Stone</string>
     <string name="metric_ton">Tonnellata</string>
-    <string name="short_ton">Tonnellata Corta</string>
-    <string name="long_ton">Tonnellata Lunga</string>
+    <string name="short_ton">Tonnellata corta</string>
+    <string name="long_ton">Tonnellata lunga</string>
 
     <!-- Power -->
     <string name="watt">Watt</string>
-    <string name="kilowatt">Chilowatt</string>
+    <string name="kilowatt">Kilowatt</string>
     <string name="megawatt">Megawatt</string>
-    <string name="hp">HP (metrico)</string>
-    <string name="hp_uk">HP (mecccanico)</string>
+    <string name="hp">CV</string>
+    <string name="hp_uk">HP</string>
     <string name="ft_lbf_s">Piede per libbra/sec</string>
     <string name="calorie_s">Caloria/sec</string>
-    <string name="btu_s">BTU/second</string>
+    <string name="btu_s">BTU/sec</string>
     <string name="kva">Kilovolt-ampere</string>
 
     <!-- Pressure -->
     <string name="megapascal">Megapascal</string>
-    <string name="kilopascal">Chilopascal</string>
+    <string name="kilopascal">Kilopascal</string>
     <string name="pascal">Pascal</string>
     <string name="bar">Bar</string>
     <string name="psi">PSI</string>
     <string name="psf">PSF</string>
     <string name="atmosphere">Atmosfera</string>
-    <string name="technical_atmosphere">Atmosfera Tecnica</string>
+    <string name="technical_atmosphere">Atmosfera tecnica</string>
     <string name="mmhg">mm Hg</string>
     <string name="torr">Torr</string>
 
     <!-- Speed -->
-    <string name="km_h">Km/h</string>
+    <string name="km_h">km/h</string>
     <string name="mph">mph</string>
     <string name="m_s">m/s</string>
     <string name="fps">ft/s</string>
@@ -211,62 +231,63 @@
     <string name="nanosecond">Nanosecondo</string>
 
     <!-- Torque -->
-    <string name="n_m">N-m</string>
+    <string name="n_m">N m</string>
 
     <!-- Volume -->
     <string name="teaspoon">Cucchiaino</string>
     <string name="tablespoon">Cucchiaio</string>
     <string name="cup">Tazza</string>
-    <string name="fluid_ounce">Oncia Fluida Americana</string>
-    <string name="quart">Quarto Americano</string>
-    <string name="pint">Pinta Americana</string>
-    <string name="gallon">Gallone Americano</string>
-    <string name="barrel">Barile Americano</string>
-    <string name="fluid_ounce_uk">Oncia Fluida Inglese</string>
-    <string name="quart_uk">Quarto Inglese</string>
-    <string name="pint_uk">Pinta Inglese</string>
-    <string name="gallon_uk">Gallone Inglese</string>
-    <string name="barrel_uk">Barile Inglese</string>
+    <string name="fluid_ounce">Oncia fluida americana</string>
+    <string name="quart">Quarto americano</string>
+    <string name="pint">Pinta americana</string>
+    <string name="gallon">Gallone americano</string>
+    <string name="barrel">Barile americano</string>
+    <string name="fluid_ounce_uk">Oncia fluida inglese</string>
+    <string name="quart_uk">Quarto inglese</string>
+    <string name="pint_uk">Pinta inglese</string>
+    <string name="gallon_uk">Gallone inglese</string>
+    <string name="barrel_uk">Barile inglese</string>
     <string name="millilitre">Millilitro</string>
     <string name="litre">Litro</string>
-    <string name="cubic_cm">Centimetro Cubo</string>
-    <string name="cubic_m">Metro Cubo</string>
-    <string name="cubic_inch">Piede Cubo</string>
-    <string name="cubic_foot">Pollice Cubo</string>
-    <string name="cubic_yard">Iarda Cubica</string>
+    <string name="cubic_cm">Centimetro cubo</string>
+    <string name="cubic_m">Metro cubo</string>
+    <string name="cubic_inch">Piede cubo</string>
+    <string name="cubic_foot">Pollice cubo</string>
+    <string name="cubic_yard">Iarda cubica</string>
 
     <!-- Currency -->
-    <string name="aud">Dollaro Australiano</string>
-    <string name="bgn">Lev Bulgaro</string>
-    <string name="brl">Real Brasiliano</string>
-    <string name="cdn">Dollaro Canadese</string>
-    <string name="chf">Franco Svizzero</string>
-    <string name="cny">Yuan Cinese</string>
-    <string name="czk">Corona Ceca</string>
-    <string name="dkk">Corona Danese</string>
+    <string name="aud">Dollaro australiano</string>
+    <string name="bgn">Lev bulgaro</string>
+    <string name="brl">Real brasiliano</string>
+    <string name="cdn">Dollaro canadese</string>
+    <string name="chf">Franco svizzero</string>
+    <string name="cny">Yuan cinese</string>
+    <string name="czk">Corona ceca</string>
+    <string name="dkk">Corona danese</string>
     <string name="eur">Euro</string>
-    <string name="gbp">Sterlina Inglese</string>
-    <string name="hkd">Dollaro Hong Kong</string>
-    <string name="hrk">Kuna Croata</string>
-    <string name="huf">Fiorino Ungherese</string>
-    <string name="idr">Rupia Indonesiana</string>
-    <string name="ils">Siclo Israeliano</string>
-    <string name="inr">Rupia Indiana</string>
-    <string name="jpy">Yen Giapponese</string>
-    <string name="krw">Won Sudcoreano</string>
-    <string name="mxn">Peso Messicano</string>
-    <string name="myr">Ringgit Malese</string>
-    <string name="nok">Corona Norvegese</string>
-    <string name="nzd">Dollaro Neozelandese</string>
-    <string name="php">Peso Filippino</string>
-    <string name="pln">Zloty Polacco</string>
-    <string name="ron">Leu Romeno</string>
-    <string name="rub">Rublo Russo</string>
-    <string name="sek">Corona Svedese</string>
-    <string name="sgd">Dollaro Singapore</string>
-    <string name="thb">Baht Thailandese</string>
-    <string name="lira">Lira Turca</string>
-    <string name="usd">Dollaro Americano</string>
-    <string name="zar">Rand Sudafricano</string>
+    <string name="gbp">Sterlina inglese</string>
+    <string name="hkd">Dollaro di Hong Kong</string>
+    <string name="hrk">Kuna croata</string>
+    <string name="huf">Fiorino ungherese</string>
+    <string name="idr">Rupia indonesiana</string>
+    <string name="ils">Siclo israeliano</string>
+    <string name="inr">Rupia indiana</string>
+    <string name="isk">Corona islandese</string>
+    <string name="jpy">Yen giapponese</string>
+    <string name="krw">Won sudcoreano</string>
+    <string name="mxn">Peso messicano</string>
+    <string name="myr">Ringgit malese</string>
+    <string name="nok">Corona norvegese</string>
+    <string name="nzd">Dollaro neozelandese</string>
+    <string name="php">Peso filippino</string>
+    <string name="pln">Zloty polacco</string>
+    <string name="ron">Leu romeno</string>
+    <string name="rub">Rublo russo</string>
+    <string name="sek">Corona svedese</string>
+    <string name="sgd">Dollaro di Singapore</string>
+    <string name="thb">Baht thailandese</string>
+    <string name="lira">Lira turca</string>
+    <string name="usd">Dollaro americano</string>
+    <string name="zar">Rand sudafricano</string>
 
-</resources>
\ No newline at end of file
+</resources>