diff --git a/debye_bec/bec_widgets/widgets/data_viewer/panels/data_view.py b/debye_bec/bec_widgets/widgets/data_viewer/panels/data_view.py
index e9b368c..4dff090 100644
--- a/debye_bec/bec_widgets/widgets/data_viewer/panels/data_view.py
+++ b/debye_bec/bec_widgets/widgets/data_viewer/panels/data_view.py
@@ -190,11 +190,11 @@ class DataView(QWidget):
 
         if is_2d:
             n_rows, _ = data.shape
-            row_data = data[0].astype(np.float32)
+            row_data = data[0].astype(np.float64)
         else:
-            row_data = data.reshape(-1).astype(np.float32)
+            row_data = data.reshape(-1).astype(np.float64)
 
-        x = np.arange(row_data.size, dtype=np.float32)
+        x = np.arange(row_data.size, dtype=np.float64)
 
         self.plot_widget = pg.PlotWidget()
         plot_item = self.plot_widget.getPlotItem()
@@ -233,8 +233,8 @@ class DataView(QWidget):
 
             def on_row_changed(row):
                 current_row_label.setText(str(row))
-                new_data = data[row].astype(np.float32)
-                new_x = np.arange(new_data.size, dtype=np.float32)
+                new_data = data[row].astype(np.float64)
+                new_x = np.arange(new_data.size, dtype=np.float64)
                 curve.setData(new_x, new_data)
                 plot_item.enableAutoRange()  # type: ignore[attr-defined]
 
@@ -382,7 +382,7 @@ class DataView(QWidget):
             for c in range(show_cols):
                 val = flat[r, c]
                 txt = (
-                    f"{val:.6g}"
+                    f"{val:.12g}"
                     if is_float
                     else f"{val:.4g}" if is_complex else str(val.decode()) if is_bytes else str(val)
                 )