diff --git a/pandas/formats/style.py b/pandas/formats/style.py
index 472fd958d35eb..dee9540dde0f9 100644
--- a/pandas/formats/style.py
+++ b/pandas/formats/style.py
@@ -155,7 +155,7 @@ def __init__(self, data, precision=None, table_styles=None, uuid=None,
 
         def default_display_func(x):
             if is_float(x):
-                return '{:>.{precision}g}'.format(x, precision=self.precision)
+                return '{:>.{precision}f}'.format(x, precision=self.precision)
             else:
                 return x
 
diff --git a/pandas/tests/formats/test_style.py b/pandas/tests/formats/test_style.py
index 9a34f545bd119..a1054834edd1a 100644
--- a/pandas/tests/formats/test_style.py
+++ b/pandas/tests/formats/test_style.py
@@ -507,37 +507,37 @@ def test_display_subset(self):
         ctx = df.style.format({"a": "{:0.1f}", "b": "{0:.2%}"},
                               subset=pd.IndexSlice[0, :])._translate()
         expected = '0.1'
+        precise_11 = '1.123400'  # with the default precision
         self.assertEqual(ctx['body'][0][1]['display_value'], expected)
-        self.assertEqual(ctx['body'][1][1]['display_value'], '1.1234')
+        self.assertEqual(ctx['body'][1][1]['display_value'], precise_11)
         self.assertEqual(ctx['body'][0][2]['display_value'], '12.34%')
 
-        raw_11 = '1.1234'
         ctx = df.style.format("{:0.1f}",
                               subset=pd.IndexSlice[0, :])._translate()
         self.assertEqual(ctx['body'][0][1]['display_value'], expected)
-        self.assertEqual(ctx['body'][1][1]['display_value'], raw_11)
+        self.assertEqual(ctx['body'][1][1]['display_value'], precise_11)
 
         ctx = df.style.format("{:0.1f}",
                               subset=pd.IndexSlice[0, :])._translate()
         self.assertEqual(ctx['body'][0][1]['display_value'], expected)
-        self.assertEqual(ctx['body'][1][1]['display_value'], raw_11)
+        self.assertEqual(ctx['body'][1][1]['display_value'], precise_11)
 
         ctx = df.style.format("{:0.1f}",
                               subset=pd.IndexSlice['a'])._translate()
         self.assertEqual(ctx['body'][0][1]['display_value'], expected)
-        self.assertEqual(ctx['body'][0][2]['display_value'], '0.1234')
+        self.assertEqual(ctx['body'][0][2]['display_value'], '0.123400')
 
         ctx = df.style.format("{:0.1f}",
                               subset=pd.IndexSlice[0, 'a'])._translate()
         self.assertEqual(ctx['body'][0][1]['display_value'], expected)
-        self.assertEqual(ctx['body'][1][1]['display_value'], raw_11)
+        self.assertEqual(ctx['body'][1][1]['display_value'], precise_11)
 
         ctx = df.style.format("{:0.1f}",
                               subset=pd.IndexSlice[[0, 1], ['a']])._translate()
         self.assertEqual(ctx['body'][0][1]['display_value'], expected)
         self.assertEqual(ctx['body'][1][1]['display_value'], '1.1')
-        self.assertEqual(ctx['body'][0][2]['display_value'], '0.1234')
-        self.assertEqual(ctx['body'][1][2]['display_value'], '1.1234')
+        self.assertEqual(ctx['body'][0][2]['display_value'], '0.123400')
+        self.assertEqual(ctx['body'][1][2]['display_value'], '1.123400')
 
     def test_display_dict(self):
         df = pd.DataFrame([[.1234, .1234], [1.1234, 1.1234]],