diff --git a/homura-stopwatch.cabal b/homura-stopwatch.cabal
--- a/homura-stopwatch.cabal
+++ b/homura-stopwatch.cabal
@@ -1,13 +1,13 @@
 cabal-version: 1.12
 
--- This file has been generated from package.yaml by hpack version 0.31.2.
+-- This file has been generated from package.yaml by hpack version 0.33.0.
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 3be341d8b5700047d9fa3c6406ff3e05ff4e7f275daf4fab10484f878e52000f
+-- hash: 4d34d81226128601c7d28a9324c8a893c66238bbc1219f147d3438e350ef29d0
 
 name:           homura-stopwatch
-version:        0.1.3
+version:        0.2.0
 description:    Please see the README on GitHub at <https://github.com/ncaq/homura-stopwatch#readme>
 homepage:       https://github.com/ncaq/homura-stopwatch#readme
 bug-reports:    https://github.com/ncaq/homura-stopwatch/issues
diff --git a/src/Lib.hs b/src/Lib.hs
--- a/src/Lib.hs
+++ b/src/Lib.hs
@@ -57,5 +57,10 @@
 workPrettyStr :: Work -> String
 workPrettyStr work
   = case fromSeconds (workTime work) of
-      (d, 0) -> workName work <> "\t" <> show (toInteger $ durationHours d) <> ":" <> show (toInteger $ durationMinutes d)
+      (d, 0) ->
+        concatMap (++ "\t")
+        [ workName work
+        , show (toInteger $ durationHours d) <> ":" <> show (toInteger $ durationMinutes d)
+        , show (fromIntegral (toInteger (durationHours d)) + (fromIntegral (toInteger (durationMinutes d)) / (60 :: Double)))
+        ]
       o -> error $ "出力がヘンになりました: " <> show o