diff --git a/src/Mod/Fem/ccxInpWriter.py b/src/Mod/Fem/ccxInpWriter.py
index 2c08a5e930..e80f41b794 100644
--- a/src/Mod/Fem/ccxInpWriter.py
+++ b/src/Mod/Fem/ccxInpWriter.py
@@ -128,9 +128,9 @@ class inp_writer:
             f.write('{}, \n'.format(YM_in_MPa))
             f.write('{0:.3f}\n'.format(PR))
             density = FreeCAD.Units.Quantity(mat_obj.Material['Density'])
-            density_in_kg_per_mm3 = density.getValueAs('t/mm^3')
+            density_in_tone_per_mm3 = float(density.getValueAs('t/mm^3'))
             f.write('*DENSITY \n')
-            f.write('{}, \n'.format(density_in_kg_per_mm3))
+            f.write('{0:.3e}, \n'.format(density_in_tone_per_mm3))
             # write element properties
             if len(self.material_objects) == 1:
                 f.write('*SOLID SECTION, ELSET=' + mat_obj_name + ', MATERIAL=' + mat_name + '\n')
diff --git a/src/Mod/Fem/inp_standard.inp b/src/Mod/Fem/inp_standard.inp
index 9341a866b5..9b4ae8f6b9 100644
--- a/src/Mod/Fem/inp_standard.inp
+++ b/src/Mod/Fem/inp_standard.inp
@@ -454,7 +454,7 @@ Eall
 20000 , 
 0.360
 *DENSITY 
-1e-09 , 
+1.000e-09, 
 *SOLID SECTION, ELSET=MechanicalMaterial, MATERIAL=Test Material
 
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