diff --git a/z/calendar.go b/z/calendar.go
index bb515bc..db8938d 100644
--- a/z/calendar.go
+++ b/z/calendar.go
@@ -161,7 +161,7 @@ func (calendar *Calendar) GetOutputForWeekCalendar(date time.Time, month int, we
     bars = append(bars, bar)
   }
 
-  output = fmt.Sprintf("CW %02d                    %s H\n", GetISOCalendarWeek(date), totalHours.StringFixed(2))
+  output = fmt.Sprintf("CW %02d                    %s H\n", GetISOCalendarWeek(date), fmtHours(totalHours))
   for row := 0; row < len(bars[0]); row++ {
     output = fmt.Sprintf("%s%2d │", output, ((6 - row) * 4))
     for col := 0; col < len(bars); col++ {
@@ -184,7 +184,7 @@ func (calendar *Calendar) GetOutputForDistribution() (string) {
   for _, stat := range calendar.Distribution {
     divided := stat.Hours.Div(calendar.TotalHours)
     percentage := divided.Mul(decimal.NewFromInt(100))
-    hoursStr := stat.Hours.StringFixed(2)
+    hoursStr := fmtHours(stat.Hours)
     percentageStr := percentage.StringFixed(2)
 
     dividedByBarLength := percentage.Div(decimal.NewFromInt(100))
diff --git a/z/entry.go b/z/entry.go
index ce1c6ab..af4a0c7 100644
--- a/z/entry.go
+++ b/z/entry.go
@@ -107,13 +107,13 @@ func (entry *Entry) GetOutputForTrack(isRunning bool, wasRunning bool) (string)
 
   now := time.Now()
   trackDiffNow := now.Sub(entry.Begin)
-  trackDiffNowOut := time.Time{}.Add(trackDiffNow)
+  durationString := fmtDuration(trackDiffNow)
 
   if isRunning == true && wasRunning == false {
     outputPrefix = "began tracking"
   } else if isRunning == true && wasRunning == true {
     outputPrefix = "tracking"
-    outputSuffix = fmt.Sprintf(" for %sh", color.FgLightWhite.Render(trackDiffNowOut.Format("15:04")))
+    outputSuffix = fmt.Sprintf(" for %sh", color.FgLightWhite.Render(durationString))
   } else if isRunning == false && wasRunning == false {
     outputPrefix = "tracked"
   }
@@ -141,9 +141,9 @@ func (entry *Entry) GetOutputForFinish() (string) {
   var outputSuffix string = ""
 
   trackDiff := entry.Finish.Sub(entry.Begin)
-  trackDiffOut := time.Time{}.Add(trackDiff)
+  taskDuration := fmtDuration(trackDiff)
 
-  outputSuffix = fmt.Sprintf(" for %sh", color.FgLightWhite.Render(trackDiffOut.Format("15:04")))
+  outputSuffix = fmt.Sprintf(" for %sh", color.FgLightWhite.Render(taskDuration))
 
   if entry.Task != "" && entry.Project != "" {
     return fmt.Sprintf("%s finished tracking %s on %s%s\n", CharFinish, color.FgLightWhite.Render(entry.Task), color.FgLightWhite.Render(entry.Project), outputSuffix)
@@ -169,16 +169,16 @@ func (entry *Entry) GetOutput(full bool) (string) {
   }
 
   trackDiff := entryFinish.Sub(entry.Begin)
-  trackDiffOut := time.Time{}.Add(trackDiff)
-
+	taskDuration := fmtDuration(trackDiff)
   if full == false {
+  	
     output = fmt.Sprintf("%s %s on %s from %s to %s (%sh) %s",
       color.FgGray.Render(entry.ID),
       color.FgLightWhite.Render(entry.Task),
       color.FgLightWhite.Render(entry.Project),
       color.FgLightWhite.Render(entry.Begin.Format("2006-01-02 15:04 -0700")),
       color.FgLightWhite.Render(entryFinish.Format("2006-01-02 15:04 -0700")),
-      color.FgLightWhite.Render(trackDiffOut.Format("15:04")),
+      color.FgLightWhite.Render(taskDuration) ,
       color.FgLightYellow.Render(isRunning),
     )
   } else {
@@ -186,7 +186,7 @@ func (entry *Entry) GetOutput(full bool) (string) {
       color.FgGray.Render(entry.ID),
       color.FgLightWhite.Render(entry.Task),
       color.FgLightWhite.Render(entry.Project),
-      color.FgLightWhite.Render(trackDiffOut.Format("15:04")),
+      color.FgLightWhite.Render(taskDuration),
       color.FgLightWhite.Render(entry.Begin.Format("2006-01-02 15:04 -0700")),
       color.FgLightWhite.Render(entryFinish.Format("2006-01-02 15:04 -0700")),
       color.FgLightYellow.Render(isRunning),
diff --git a/z/entryCmd.go b/z/entryCmd.go
index 081bbc9..7864bec 100644
--- a/z/entryCmd.go
+++ b/z/entryCmd.go
@@ -71,6 +71,7 @@ func init() {
   entryCmd.Flags().StringVarP(&project, "project", "p", "", "Update activity project")
   entryCmd.Flags().StringVarP(&notes, "notes", "n", "", "Update activity notes")
   entryCmd.Flags().StringVarP(&task, "task", "t", "", "Update activity task")
+  entryCmd.Flags().BoolVar(&fractional, "decimal", false, "Show fractional hours in decimal format instead of minutes")
 
   var err error
   database, err = InitDatabase()
diff --git a/z/listCmd.go b/z/listCmd.go
index f7421fc..2549df9 100644
--- a/z/listCmd.go
+++ b/z/listCmd.go
@@ -13,6 +13,7 @@ var listTotalTime bool
 var listOnlyProjectsAndTasks bool
 var appendProjectIDToTask bool
 
+
 var listCmd = &cobra.Command{
 	Use:   "list",
 	Short: "List activities",
@@ -89,7 +90,7 @@ var listCmd = &cobra.Command{
 		}
 
 		if listTotalTime == true {
-			fmt.Printf("\nTOTAL: %s H\n\n", totalHours.StringFixed(2))
+			fmt.Printf("\nTOTAL: %s H\n\n", fmtHours(totalHours));
 		}
 		return
 	},
@@ -101,6 +102,7 @@ func init() {
 	listCmd.Flags().StringVar(&until, "until", "", "Date/time to list until")
 	listCmd.Flags().StringVarP(&project, "project", "p", "", "Project to be listed")
 	listCmd.Flags().StringVarP(&task, "task", "t", "", "Task to be listed")
+	listCmd.Flags().BoolVar(&fractional, "decimal", false, "Show fractional hours in decimal format instead of minutes")
 	listCmd.Flags().BoolVar(&listTotalTime, "total", false, "Show total time of hours for listed activities")
 	listCmd.Flags().BoolVar(&listOnlyProjectsAndTasks, "only-projects-and-tasks", false, "Only list projects and their tasks, no entries")
 	listCmd.Flags().BoolVar(&appendProjectIDToTask, "append-project-id-to-task", false, "Append project ID to tasks in the list")
diff --git a/z/statsCmd.go b/z/statsCmd.go
index 6f1d4c9..ba4c3df 100644
--- a/z/statsCmd.go
+++ b/z/statsCmd.go
@@ -51,7 +51,7 @@ var statsCmd = &cobra.Command{
 
 func init() {
   rootCmd.AddCommand(statsCmd)
-
+  statsCmd.Flags().BoolVar(&fractional, "decimal", false, "Show fractional hours in decimal format instead of minutes")
   var err error
   database, err = InitDatabase()
   if err != nil {
diff --git a/z/util.go b/z/util.go
new file mode 100644
index 0000000..4f15be2
--- /dev/null
+++ b/z/util.go
@@ -0,0 +1,28 @@
+package z
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/shopspring/decimal"
+)
+
+var fractional bool
+
+func fmtDuration(dur time.Duration) (string) {
+	return fmtHours(decimal.NewFromFloat(dur.Hours()))
+}
+
+func fmtHours(hours decimal.Decimal) (string) {
+	if fractional {
+		return hours.StringFixed(2)
+	} else {
+		return fmt.Sprintf(
+			"%s:%02s",
+			hours.Floor(), // hours
+      hours.Sub(hours.Floor()).
+     		Mul(decimal.NewFromFloat(.6)).
+     		Mul(decimal.NewFromInt(100)).
+     		Floor())
+	}
+}