diff --git a/odoo_openupgrade_wizard/cli/cli_estimate_workload.py b/odoo_openupgrade_wizard/cli/cli_estimate_workload.py
index c8507c7..8a2f93c 100644
--- a/odoo_openupgrade_wizard/cli/cli_estimate_workload.py
+++ b/odoo_openupgrade_wizard/cli/cli_estimate_workload.py
@@ -26,11 +26,40 @@ from odoo_openupgrade_wizard.tools.tools_system import (
     " file will be used to define the list of module to analyse."
     "Ex: 'account,product,base'",
 )
+@click.option(
+    "--time-unit",
+    type=click.Choice(["hour", "minute", "separator"]),
+    default="separator",
+    show_default=True,
+    help="Select unit to display time in the report. "
+    "*separator* display time as `HHH<sep>MM`, "
+    "*hour* display time as decimal hour, "
+    "*min* display time as minute (rounded).",
+)
+@click.option(
+    "--time-separator",
+    default=":",
+    help="Specify time separator, if time-unit is separator. "
+    "Default to `:` (it will produce time like this HHH:MM).",
+)
 @click.pass_context
-def estimate_workload(ctx, analysis_file_path, extra_modules_list):
+def estimate_workload(
+    ctx, analysis_file_path, extra_modules_list, time_unit, time_separator
+):
     # Analyse
     analysis = Analysis(ctx)
 
+    def time_to_text(minutes):
+        """Return a text representation for minutes"""
+        hours, mins = divmod(minutes, 60)
+        if time_unit == "hour":
+            result = str(hours)
+        elif time_unit == "minute":
+            result = str(minutes)
+        else:
+            result = "{}{}{:02d}".format(hours, time_separator, mins)
+        return result
+
     if extra_modules_list:
         module_list = extra_modules_list.split(",")
     else:
@@ -51,4 +80,5 @@ def estimate_workload(ctx, analysis_file_path, extra_modules_list):
         ctx=ctx,
         analysis=analysis,
         current_date=datetime.now().strftime("%d/%m/%Y %H:%M:%S"),
+        time_to_text=time_to_text,
     )
diff --git a/odoo_openupgrade_wizard/templates/analysis.html.j2 b/odoo_openupgrade_wizard/templates/analysis.html.j2
index 6359a2f..1f2b837 100644
--- a/odoo_openupgrade_wizard/templates/analysis.html.j2
+++ b/odoo_openupgrade_wizard/templates/analysis.html.j2
@@ -65,6 +65,7 @@
       <thead>
         <tr>
           <th>&nbsp;</th>
+          <th>Total</th>
 {%- for odoo_version in ctx.obj['config']['odoo_versions'] -%}
           <th>{{ odoo_version }}</th>
 {% endfor %}
@@ -87,7 +88,7 @@
     and odoo_module.module_type != 'odoo') %}
     {% set ns.current_module_type = odoo_module.module_type %}
         <tr>
-          <th colspan="{{1 + ctx.obj['config']['odoo_versions']|length}}">
+          <th colspan="{{2 + ctx.obj['config']['odoo_versions']|length}}">
             {{ ns.current_module_type}}
           </th>
         <tr>
@@ -102,7 +103,7 @@
 
     {% if ns.current_repository %}
         <tr>
-          <th colspan="{{1 + ctx.obj['config']['odoo_versions']|length}}">
+          <th colspan="{{2 + ctx.obj['config']['odoo_versions']|length}}">
             {{ ns.current_repository}}
           </th>
         <tr>
@@ -130,6 +131,13 @@
   {% endif %}
 
           </td>
+
+          <td>
+          {% if odoo_module.workload %}
+            {{time_to_text(odoo_module.workload)}}
+          {% endif %}
+          </td>
+
   {% for version in odoo_module.analyse.all_versions %}
     {% set module_version = odoo_module.get_module_version(version) %}
     {% if module_version %}
@@ -142,7 +150,7 @@
 
       {% if workload %}
         <span style="background-color:lightblue;">
-          ({{ module_version.workload_hour_text()}})
+          ({{time_to_text(workload)}})
         </span>
       {% endif %}
       {% if size_text %}
diff --git a/odoo_openupgrade_wizard/tools/tools_odoo_module.py b/odoo_openupgrade_wizard/tools/tools_odoo_module.py
index 15bd050..a07580a 100644
--- a/odoo_openupgrade_wizard/tools/tools_odoo_module.py
+++ b/odoo_openupgrade_wizard/tools/tools_odoo_module.py
@@ -328,6 +328,13 @@ class OdooModule(object):
         else:
             self.module_type = "custom"
 
+    @property
+    def workload(self):
+        return sum(
+            round(module_version.workload)
+            for _, module_version in self.module_versions.items()
+        )
+
     def get_module_version(self, current_version):
         res = self.module_versions.get(current_version, False)
         return res
@@ -493,12 +500,20 @@ class OdooModuleVersion(object):
         self.python_code = 0
         self.xml_code = 0
         self.javascript_code = 0
-        self.workload = 0
+        self._workload = 0
         self.analysis_file = False
         self.openupgrade_model_lines = 0
         self.openupgrade_field_lines = 0
         self.openupgrade_xml_lines = 0
 
+    @property
+    def workload(self):
+        return int(round(self._workload))
+
+    @workload.setter
+    def workload(self, value):
+        self._workload = int(round(value))
+
     def get_last_existing_version(self):
         if self.odoo_module.module_type != "not_found":
             versions = list(self.odoo_module.module_versions.values())