diff --git a/autotests/propertyinfotest.cpp b/autotests/propertyinfotest.cpp
--- a/autotests/propertyinfotest.cpp
+++ b/autotests/propertyinfotest.cpp
@@ -111,28 +111,34 @@
         QVariant value;
         QString expected;
     } rows[] = {
-        { Property::DiscNumber,        true,  2018,                    QStringLiteral("2018")},
-        { Property::Title,             false, QStringLiteral("Title"), QStringLiteral("Title")},
-        { Property::Title,             false, titleList,               QStringLiteral("Title1 and Title2")},
-        { Property::Artist,            true,  artistList,              QStringLiteral("Artist1, Artist2, and Artist3")},
-        { Property::Author,            true,  authorList,              QStringLiteral("Author1")},
-        { Property::Arranger,          true,  arrangerList,            QStringLiteral("Arranger1 and Arranger2")},
-        { Property::Duration,          true,  1800,                    QStringLiteral("0:30:00")},
-        { Property::SampleRate,        true,  44100,                   QStringLiteral("44.1 kHz")},
-        { Property::BitRate,           true,  128000,                  QStringLiteral("128 kbit/s")},
-        { Property::BitRate,           true,  1350000,                 QStringLiteral("1.35 Mbit/s")},
-        { Property::BitRate,           true,  14700000,                QStringLiteral("14.7 Mbit/s")},
-        { Property::BitRate,           true,  bitRateList,             QStringLiteral("128 kbit/s and 130 kbit/s")},
-        { Property::ImageOrientation,  true,  5,                       QStringLiteral("Transposed")},
-        { Property::PhotoFlash,        true,  0x00,                    QStringLiteral("No flash")},
-        { Property::PhotoFlash,        true,  0x50,                    QStringLiteral("No, red-eye reduction")},
-        { Property::PhotoGpsAltitude,  true,  1.1,                     QStringLiteral("1.1 m")},
+        { Property::DiscNumber,             true,  2018,                    QStringLiteral("2018")},
+        { Property::Title,                  false, QStringLiteral("Title"), QStringLiteral("Title")},
+        { Property::Title,                  false, titleList,               QStringLiteral("Title1 and Title2")},
+        { Property::Artist,                 true,  artistList,              QStringLiteral("Artist1, Artist2, and Artist3")},
+        { Property::Author,                 true,  authorList,              QStringLiteral("Author1")},
+        { Property::Arranger,               true,  arrangerList,            QStringLiteral("Arranger1 and Arranger2")},
+        { Property::Duration,               true,  1800,                    QStringLiteral("0:30:00")},
+        { Property::SampleRate,             true,  44100,                   QStringLiteral("44.1 kHz")},
+        { Property::BitRate,                true,  128000,                  QStringLiteral("128 kbit/s")},
+        { Property::BitRate,                true,  1350000,                 QStringLiteral("1.35 Mbit/s")},
+        { Property::BitRate,                true,  14700000,                QStringLiteral("14.7 Mbit/s")},
+        { Property::BitRate,                true,  bitRateList,             QStringLiteral("128 kbit/s and 130 kbit/s")},
+        { Property::ImageOrientation,       true,  5,                       QStringLiteral("Transposed")},
+        { Property::PhotoFlash,             true,  0x00,                    QStringLiteral("No flash")},
+        { Property::PhotoFlash,             true,  0x50,                    QStringLiteral("No, red-eye reduction")},
+        { Property::PhotoGpsAltitude,       true,  1.1,                     QStringLiteral("1.1 m")},
         // make VisualStudio compiler happy: QChar(0x00B0) = "°"
-        { Property::PhotoGpsLatitude,  true,  25,                      QStringLiteral("25") + QChar(0x00B0)},
-        { Property::PhotoGpsLongitude, true,  13.5,                    QStringLiteral("13.5") + QChar(0x00B0)},
-        { Property::FrameRate,         true,  23,                      QStringLiteral("23 fps")},
-        { Property::FrameRate,         true,  23.976,                  QStringLiteral("23.98 fps")},
-        { Property::AspectRatio,       true,  1.77778,                 QStringLiteral("1.78:1")},
+        { Property::PhotoGpsLatitude,       true,  25,                      QStringLiteral("25") + QChar(0x00B0)},
+        { Property::PhotoGpsLongitude,      true,  13.5,                    QStringLiteral("13.5") + QChar(0x00B0)},
+        { Property::PhotoExposureTime,      true,  0.0015625,               QStringLiteral("0.00156")},
+        { Property::PhotoExposureBiasValue, true,  0.3333333,               QStringLiteral("0.333")},
+        { Property::ReplayGainAlbumGain,    true,  -9.90,                   QStringLiteral("-9.9")},
+        { Property::ReplayGainAlbumPeak,    true,  1.512,                   QStringLiteral("1.51")},
+        { Property::ReplayGainAlbumGain,    true,  10.44,                   QStringLiteral("10.4")},
+        { Property::ReplayGainAlbumPeak,    true,  1.306,                   QStringLiteral("1.31")},
+        { Property::FrameRate,              true,  23,                      QStringLiteral("23 fps")},
+        { Property::FrameRate,              true,  23.976,                  QStringLiteral("23.98 fps")},
+        { Property::AspectRatio,            true,  1.77778,                 QStringLiteral("1.78:1")},
     };
 
     for (auto row : rows) {
diff --git a/src/formatstrings.cpp b/src/formatstrings.cpp
--- a/src/formatstrings.cpp
+++ b/src/formatstrings.cpp
@@ -45,6 +45,11 @@
     return value.toString();
 }
 
+QString FormatStrings::formatDouble(const QVariant& value)
+{
+    return QLocale().toString(value.toDouble(),'g',3);
+}
+
 QString FormatStrings::formatDate(const QVariant& value)
 {
     KFormat form;
diff --git a/src/formatstrings_p.h b/src/formatstrings_p.h
--- a/src/formatstrings_p.h
+++ b/src/formatstrings_p.h
@@ -31,6 +31,8 @@
 public:
     static QString toStringFunction(const QVariant& value);
 
+    static QString formatDouble(const QVariant& value);
+
     static QString formatDate(const QVariant& value);
 
     static QString formatDuration(const QVariant& value);
diff --git a/src/propertyinfo.cpp b/src/propertyinfo.cpp
--- a/src/propertyinfo.cpp
+++ b/src/propertyinfo.cpp
@@ -237,6 +237,7 @@
             d->name = QStringLiteral("photoApertureValue");
             d->displayName = i18nc("@label EXIF", "Photo Aperture Value");
             d->valueType = QVariant::Double;
+            d->formatAsString = &FormatStrings::formatDouble;
             break;
 
         case Property::PhotoDateTimeOriginal:
@@ -250,12 +251,14 @@
             d->name = QStringLiteral("photoExposureBiasValue");
             d->displayName = i18nc("@label EXIF", "Photo Exposure Bias");
             d->valueType = QVariant::Double;
+            d->formatAsString = &FormatStrings::formatDouble;
             break;
 
         case Property::PhotoExposureTime:
             d->name = QStringLiteral("photoExposureTime");
             d->displayName = i18nc("@label EXIF", "Photo Exposure Time");
             d->valueType = QVariant::Double;
+            d->formatAsString = &FormatStrings::formatDouble;
             break;
 
         case Property::PhotoFlash:
@@ -275,12 +278,14 @@
             d->name = QStringLiteral("photoFocalLength");
             d->displayName = i18nc("@label EXIF", "Photo Focal Length");
             d->valueType = QVariant::Double;
+            d->formatAsString = &FormatStrings::formatDouble;
             break;
 
         case Property::PhotoFocalLengthIn35mmFilm:
             d->name = QStringLiteral("photoFocalLengthIn35mmFilm");
             d->displayName = i18nc("@label EXIF", "Photo Focal Length 35mm");
             d->valueType = QVariant::Double;
+            d->formatAsString = &FormatStrings::formatDouble;
             break;
 
         case Property::PhotoGpsLatitude:
@@ -460,24 +465,28 @@
             d->name = QStringLiteral("replayGainAlbumPeak");
             d->displayName = i18nc("@label", "Replay Gain Album Peak");
             d->valueType = QVariant::Double;
+            d->formatAsString = &FormatStrings::formatDouble;
             break;
 
         case Property::ReplayGainAlbumGain:
             d->name = QStringLiteral("replayGainAlbumGain");
             d->displayName = i18nc("@label", "Replay Gain Album Gain");
             d->valueType = QVariant::Double;
+            d->formatAsString = &FormatStrings::formatDouble;
             break;
 
         case Property::ReplayGainTrackPeak:
             d->name = QStringLiteral("replayGainTrackPeak");
             d->displayName = i18nc("@label", "Replay Gain Track Peak");
             d->valueType = QVariant::Double;
+            d->formatAsString = &FormatStrings::formatDouble;
             break;
 
         case Property::ReplayGainTrackGain:
             d->name = QStringLiteral("replayGainTrackGain");
             d->displayName = i18nc("@label", "Replay Gain Track Gain");
             d->valueType = QVariant::Double;
+            d->formatAsString = &FormatStrings::formatDouble;
             break;
 
         case Property::Width: