diff --git a/ChangeLog.txt b/ChangeLog.txt
index f4cabec62..a0a051277 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -22,6 +22,7 @@
 - Changed default behaviour if path to multisize measurements or templates doesn't exist. 
 - [#703] Valentina warns about format rewriting for unsaved files.
 - [#704] Valentina crashes if click on detail.
+- [#706] Default unit in preferences not changing new file unit.
 
 # Version 0.5.0 May 9, 2017
 - [#581] User can now filter input lists by keyword in function wizard.
diff --git a/src/app/tape/mapplication.cpp b/src/app/tape/mapplication.cpp
index d0c57fc9c..7a27805a2 100644
--- a/src/app/tape/mapplication.cpp
+++ b/src/app/tape/mapplication.cpp
@@ -632,9 +632,7 @@ void MApplication::ParseCommandLine(const SocketConnection &connection, const QS
     if (not unitValue.isEmpty())
     {
 
-        const QStringList units = QStringList() << VDomDocument::UnitMM
-                                                << VDomDocument::UnitCM
-                                                << VDomDocument::UnitINCH;
+        const QStringList units = QStringList() << unitMM << unitCM << unitINCH;
         if (units.contains(unitValue))
         {
             flagUnit = true;
diff --git a/src/app/valentina/dialogs/configpages/preferencesconfigurationpage.cpp b/src/app/valentina/dialogs/configpages/preferencesconfigurationpage.cpp
index 015d3a0c4..349a96aa9 100644
--- a/src/app/valentina/dialogs/configpages/preferencesconfigurationpage.cpp
+++ b/src/app/valentina/dialogs/configpages/preferencesconfigurationpage.cpp
@@ -195,9 +195,9 @@ void PreferencesConfigurationPage::SetLabelComboBox(const QStringList &list)
 //---------------------------------------------------------------------------------------------------------------------
 void PreferencesConfigurationPage::InitUnits()
 {
-    ui->unitCombo->addItem(tr("Centimeters"), "cm");
-    ui->unitCombo->addItem(tr("Millimiters"), "mm");
-    ui->unitCombo->addItem(tr("Inches"), "in");
+    ui->unitCombo->addItem(tr("Centimeters"), unitCM);
+    ui->unitCombo->addItem(tr("Millimiters"), unitMM);
+    ui->unitCombo->addItem(tr("Inches"), unitINCH);
 
     // set default unit
     const qint32 indexUnit = ui->unitCombo->findData(qApp->ValentinaSettings()->GetUnit());
diff --git a/src/libs/ifc/xml/vdomdocument.cpp b/src/libs/ifc/xml/vdomdocument.cpp
index cb4547176..e0a522b05 100644
--- a/src/libs/ifc/xml/vdomdocument.cpp
+++ b/src/libs/ifc/xml/vdomdocument.cpp
@@ -179,10 +179,6 @@ void MessageHandler::handleMessage(QtMsgType type, const QString &description, c
 Q_LOGGING_CATEGORY(vXML, "v.xml")
 
 const QString VDomDocument::AttrId     = QStringLiteral("id");
-const QString VDomDocument::UnitMM     = QStringLiteral("mm");
-const QString VDomDocument::UnitCM     = QStringLiteral("cm");
-const QString VDomDocument::UnitINCH   = QStringLiteral("inch");
-const QString VDomDocument::UnitPX     = QStringLiteral("px");
 const QString VDomDocument::TagVersion = QStringLiteral("version");
 const QString VDomDocument::TagUnit    = QStringLiteral("unit");
 
@@ -488,7 +484,7 @@ quint32 VDomDocument::GetParametrId(const QDomElement &domElement)
 //---------------------------------------------------------------------------------------------------------------------
 Unit VDomDocument::MUnit() const
 {
-    Unit unit = VDomDocument::StrToUnits(UniqueTagText(TagUnit, UnitCM));
+    Unit unit = VDomDocument::StrToUnits(UniqueTagText(TagUnit, unitCM));
 
     if (unit == Unit::Px)
     {
@@ -655,7 +651,7 @@ void VDomDocument::setXMLContent(const QString &fileName)
 //---------------------------------------------------------------------------------------------------------------------
 Unit VDomDocument::StrToUnits(const QString &unit)
 {
-    const QStringList units = QStringList() << UnitMM << UnitCM << UnitINCH << UnitPX;
+    const QStringList units = QStringList() << unitMM << unitCM << unitINCH << unitPX;
     Unit result = Unit::Cm;
     switch (units.indexOf(unit))
     {
@@ -691,17 +687,17 @@ QString VDomDocument::UnitsToStr(const Unit &unit, const bool translate)
     switch (unit)
     {
         case Unit::Mm:
-            translate ? result = QObject::tr("mm") : result = UnitMM;
+            translate ? result = QObject::tr("mm") : result = unitMM;
             break;
         case Unit::Inch:
-            translate ? result = QObject::tr("inch") : result = UnitINCH;
+            translate ? result = QObject::tr("inch") : result = unitINCH;
             break;
         case Unit::Px:
-            translate ? result = QObject::tr("px") : result = UnitPX;
+            translate ? result = QObject::tr("px") : result = unitPX;
             break;
         case Unit::Cm:
         default:
-            translate ? result = QObject::tr("cm") : result = UnitCM;
+            translate ? result = QObject::tr("cm") : result = unitCM;
             break;
     }
     return result;
diff --git a/src/libs/ifc/xml/vdomdocument.h b/src/libs/ifc/xml/vdomdocument.h
index 58218e637..b1f546788 100644
--- a/src/libs/ifc/xml/vdomdocument.h
+++ b/src/libs/ifc/xml/vdomdocument.h
@@ -83,10 +83,6 @@ class VDomDocument : public QDomDocument
     Q_DECLARE_TR_FUNCTIONS(VDomDocument)
 public:
     static const QString AttrId;
-    static const QString UnitMM;
-    static const QString UnitCM;
-    static const QString UnitINCH;
-    static const QString UnitPX;
     static const QString TagVersion;
     static const QString TagUnit;
 
diff --git a/src/libs/vmisc/def.cpp b/src/libs/vmisc/def.cpp
index e9e7b3736..a56cdf368 100644
--- a/src/libs/vmisc/def.cpp
+++ b/src/libs/vmisc/def.cpp
@@ -119,6 +119,11 @@ const QString degreeSymbol = QStringLiteral("°");
 const QString trueStr = QStringLiteral("true");
 const QString falseStr = QStringLiteral("false");
 
+const QString unitMM   = QStringLiteral("mm");
+const QString unitCM   = QStringLiteral("cm");
+const QString unitINCH = QStringLiteral("inch");
+const QString unitPX   = QStringLiteral("px");
+
 //---------------------------------------------------------------------------------------------------------------------
 void SetOverrideCursor(const QString &pixmapPath, int hotX, int hotY)
 {
diff --git a/src/libs/vmisc/def.h b/src/libs/vmisc/def.h
index ee1d0e805..ffc216724 100644
--- a/src/libs/vmisc/def.h
+++ b/src/libs/vmisc/def.h
@@ -361,6 +361,11 @@ extern const QString strStraightforward;
 extern const QString strBisector;
 extern const QString strIntersection;
 
+extern const QString unitMM;
+extern const QString unitCM;
+extern const QString unitINCH;
+extern const QString unitPX;
+
 void SetOverrideCursor(const QString & pixmapPath, int hotX = -1, int hotY = -1);
 void SetOverrideCursor(Qt::CursorShape shape);
 void RestoreOverrideCursor(const QString & pixmapPath);
diff --git a/src/libs/vmisc/vcommonsettings.cpp b/src/libs/vmisc/vcommonsettings.cpp
index 218f1576e..a21413934 100644
--- a/src/libs/vmisc/vcommonsettings.cpp
+++ b/src/libs/vmisc/vcommonsettings.cpp
@@ -392,7 +392,8 @@ void VCommonSettings::SetPMSystemCode(const QString &value)
 //---------------------------------------------------------------------------------------------------------------------
 QString VCommonSettings::GetUnit() const
 {
-    return value(settingConfigurationUnit, "cm").toString();
+    return value(settingConfigurationUnit,
+                 QLocale().measurementSystem() == QLocale::MetricSystem ? unitCM : unitINCH).toString();
 }
 
 //---------------------------------------------------------------------------------------------------------------------