diff --git a/inventory/migrations/0002_duration_range.py b/inventory/migrations/0002_duration_range.py
new file mode 100644
index 0000000..9cafeb8
--- /dev/null
+++ b/inventory/migrations/0002_duration_range.py
@@ -0,0 +1,77 @@
+# Generated by Django 3.1.5 on 2021-01-28 23:15
+
+from django.db import migrations, models
+
+
+def extract_duration_range(apps, schema_editor):
+    Game = apps.get_model("inventory", "Game")
+    for game in Game.objects.all():
+        sep = None
+        if game.duration.count("-") == 1:
+            sep = "-"
+        elif game.duration.count("à") == 1:
+            sep = "à"
+
+        if sep:
+            duration_split = game.duration.split(sep)
+            game.duration_min = int(duration_split[0])
+            game.duration_max = int(duration_split[1])
+        else:
+            single_duration = int(game.duration)
+            game.duration_min = single_duration
+            game.duration_max = single_duration
+
+        game.duration = ""
+        game.save()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("inventory", "0001_initial"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="game",
+            name="duration_max",
+            field=models.PositiveSmallIntegerField(
+                null=True,
+            ),
+        ),
+        migrations.AddField(
+            model_name="game",
+            name="duration_min",
+            field=models.PositiveSmallIntegerField(
+                null=True,
+            ),
+        ),
+        migrations.AlterField(
+            model_name="game",
+            name="duration",
+            field=models.CharField(
+                blank=True,
+                help_text="Affichage personnalisé pour la durée de la partie",
+                max_length=256,
+                verbose_name="durée de partie",
+            ),
+        ),
+        migrations.RunPython(extract_duration_range),
+        migrations.AlterField(
+            model_name="game",
+            name="duration_max",
+            field=models.PositiveSmallIntegerField(
+                blank=True,
+                help_text="En minutes, telle qu'indiquée par l'éditeur, identique à la durée minimale si laissée vide",
+                verbose_name="durée de partie maximale",
+            ),
+        ),
+        migrations.AlterField(
+            model_name="game",
+            name="duration_min",
+            field=models.PositiveSmallIntegerField(
+                help_text="En minutes, telle qu'indiquée par l'éditeur",
+                verbose_name="durée de partie minimale",
+            ),
+        ),
+    ]
diff --git a/inventory/models.py b/inventory/models.py
index 221822d..853e9a1 100644
--- a/inventory/models.py
+++ b/inventory/models.py
@@ -51,8 +51,21 @@ class Game(models.Model):
         help_text="Affichage personnalisé pour le nombre de joueur·se·s",
         verbose_name="nombre de joueur·se·s",
     )
+
+    duration_min = models.PositiveSmallIntegerField(
+        verbose_name="durée de partie minimale",
+        help_text="En minutes, telle qu'indiquée par l'éditeur",
+    )
+    duration_max = models.PositiveSmallIntegerField(
+        verbose_name="durée de partie maximale",
+        help_text="En minutes, telle qu'indiquée par l'éditeur, identique à la durée minimale si laissée vide",
+        blank=True,
+    )
     duration = models.CharField(
-        max_length=256, blank=True, verbose_name="durée de partie"
+        max_length=256,
+        blank=True,
+        help_text="Affichage personnalisé pour la durée de la partie",
+        verbose_name="durée de partie",
     )
 
     game_designer = models.CharField(
@@ -88,16 +101,22 @@ class Game(models.Model):
         return self.title
 
     def clean(self):
-        if (
-            self.nb_player_min is not None
-            and self.nb_player_max is not None
-            and self.nb_player_min > self.nb_player_max
-        ):
+        if not self.nb_player_min or not self.nb_player_max or not self.duration_min:
+            return
+        if self.nb_player_min > self.nb_player_max:
             raise ValidationError(
                 {
                     "nb_player_max": "Le nombre de joueur·se·s maximum doit être supérieur au nombre de joueur·se·s minimum"
                 }
             )
+        if self.duration_max is None:
+            self.duration_max = self.duration_min
+        if self.duration_min > self.duration_max:
+            raise ValidationError(
+                {
+                    "duration_max": "La durée maximale doit être supérieure à la durée minimale"
+                }
+            )
 
     def get_player_range(self):
         if self.player_range:
@@ -107,6 +126,14 @@ class Game(models.Model):
         else:
             return "{} joueur·se·s".format(self.nb_player_min)
 
+    def get_duration_range(self):
+        if self.duration:
+            return self.duration
+        elif self.duration_min != self.duration_max:
+            return "{} à {} min".format(self.duration_min, self.duration_max)
+        else:
+            return "{} min".format(self.duration_min)
+
     def get_absolute_url(self):
         return reverse("inventory:game", args=(self.slug,))
 
diff --git a/inventory/templates/inventory/game.html b/inventory/templates/inventory/game.html
index 3a49407..86f89f3 100644
--- a/inventory/templates/inventory/game.html
+++ b/inventory/templates/inventory/game.html
@@ -13,9 +13,9 @@
       <p><i class="fa fa-fw fa-bookmark"></i> <a href="{{ game.category.get_absolute_url }}">{{ game.category }}</a></p>
       <hr/>
       <p><i class="fa fa-fw fa-users" aria-hidden="true"></i> {{ game.get_player_range }}</p>
-      <p><i class="fa fa-fw fa-clock-o" aria-hidden="true"></i> {{ game.duration|default:"(Durée de jeu inconnue)" }}
+      <p><i class="fa fa-fw fa-clock-o" aria-hidden="true"></i> {{ game.get_duration_range }}</p>
       <hr/>
-      <p><i class="fa fa-fw fa-tags" aria-hidden="true"></i> 
+      <p><i class="fa fa-fw fa-tags" aria-hidden="true"></i>
         {% for tag in game.tags.all %}
           <a href="{{ tag.get_absolute_url }}">{{ tag }}</a>{% if not forloop.last %},{% endif %}
         {% empty %}
@@ -23,8 +23,8 @@
         {% endfor %}
       </p>
       <hr/>
-      <p><i class="fa fa-fw fa-wrench" aria-hidden="true"></i> {{ game.game_designer|default:"(Game designer inconnu·e)" }}</li>
-      <p><i class="fa fa-fw fa-paint-brush" aria-hidden="true"></i> {{ game.illustrator|default:"(Illustrateur·trice inconnu·e)" }}</li>
+      <p><i class="fa fa-fw fa-wrench" aria-hidden="true"></i> {{ game.game_designer|default:"(Game designer inconnu·e)" }}</p>
+      <p><i class="fa fa-fw fa-paint-brush" aria-hidden="true"></i> {{ game.illustrator|default:"(Illustrateur·trice inconnu·e)" }}</p>
       <p><i class="fa fa-fw fa-cogs" aria-hidden="true"></i> {{ game.editor|default:"(Éditeur inconnu)" }}</p>
     </div>
   </div>
diff --git a/inventory/templates/inventory/partials/game_item.html b/inventory/templates/inventory/partials/game_item.html
index 9340d7e..05d908f 100644
--- a/inventory/templates/inventory/partials/game_item.html
+++ b/inventory/templates/inventory/partials/game_item.html
@@ -1,22 +1,20 @@
 <a class="inventory_item game" href="{{ game.get_absolute_url }}">
   <span class="title">{{ game.title }}</span>
   <span class="details">
-    <span><i class="fa fa-fw fa-users" aria-hidden="true"></i> {{ game.get_player_range }}</span>
-    {% if game.duration %}
-    <span><i class="fa fa-fw fa-clock-o" aria-hidden="true"></i> {{ game.duration }}</span>
-    {% endif %}
-    <span><i class="fa fa-fw fa-bookmark"></i> {{ game.category }}</span>
+    <span><i class="fa fa-users" aria-hidden="true"></i> {{ game.get_player_range }}</span>
+    <span><i class="fa fa-clock-o" aria-hidden="true"></i> {{ game.get_duration_range }}</span>
+    <span><i class="fa fa-bookmark"></i> {{ game.category }}</span>
     {% for tag in game.tags.all %}
-    <span><i class="fa fa-fw fa-tag" aria-hidden="true"></i> {{ tag }}</span>
+    <span><i class="fa fa-tag" aria-hidden="true"></i> {{ tag }}</span>
     {% endfor %}
     {% if game.game_designer %}
-    <span><i class="fa fa-fw fa-wrench" aria-hidden="true"></i> {{ game.game_designer }}</span>
+    <span><i class="fa fa-wrench" aria-hidden="true"></i> {{ game.game_designer }}</span>
     {% endif %}
     {% if game.illustrator %}
-    <span><i class="fa fa-fw fa-paint-brush" aria-hidden="true"></i> {{ game.illustrator }}</span>
+    <span><i class="fa fa-paint-brush" aria-hidden="true"></i> {{ game.illustrator }}</span>
     {% endif %}
     {% if game.editor %}
-    <span><i class="fa fa-fw fa-cogs" aria-hidden="true"></i> {{ game.editor }}</span>
+    <span><i class="fa fa-cogs" aria-hidden="true"></i> {{ game.editor }}</span>
     {% endif %}
   </span>
 </a>
diff --git a/suggestions/forms.py b/suggestions/forms.py
index 31b48b2..22704ed 100644
--- a/suggestions/forms.py
+++ b/suggestions/forms.py
@@ -15,7 +15,9 @@ class SuggestionForm(forms.ModelForm):
             "nb_player_min",
             "nb_player_max",
             "player_range_precisions",
-            "duration",
+            "duration_min",
+            "duration_max",
+            "duration_precisions",
             "category",
             "tags",
             "game_designer",
diff --git a/suggestions/migrations/0002_duration_range.py b/suggestions/migrations/0002_duration_range.py
new file mode 100644
index 0000000..c4f7a01
--- /dev/null
+++ b/suggestions/migrations/0002_duration_range.py
@@ -0,0 +1,34 @@
+# Generated by Django 3.1.5 on 2021-01-29 00:17
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('suggestions', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='suggestion',
+            name='duration',
+        ),
+        migrations.AddField(
+            model_name='suggestion',
+            name='duration_max',
+            field=models.PositiveSmallIntegerField(blank=True, default=60, help_text="En minutes, telle qu'indiquée par l'éditeur, identique à la durée minimale si laissée vide", verbose_name='durée de partie maximale'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='suggestion',
+            name='duration_min',
+            field=models.PositiveSmallIntegerField(default=60, help_text="En minutes, telle qu'indiquée par l'éditeur", verbose_name='durée de partie minimale'),
+            preserve_default=False,
+        ),
+        migrations.AddField(
+            model_name='suggestion',
+            name='duration_precisions',
+            field=models.CharField(blank=True, help_text='Pour indiquer des informations complémentaires sur la durée de la partie (ex. évolution en fonction du nombre de joueur·se·s)', max_length=256, verbose_name='précisions sur la durée de partie'),
+        ),
+    ]
diff --git a/suggestions/models.py b/suggestions/models.py
index 9769778..dff5251 100644
--- a/suggestions/models.py
+++ b/suggestions/models.py
@@ -34,7 +34,21 @@ class Suggestion(models.Model):
         help_text="Pour indiquer une éventuelle contrainte (ex. parité) ou information sur le nombre de joueur·se·s",
     )
 
-    duration = models.CharField(max_length=256, verbose_name="durée de partie")
+    duration_min = models.PositiveSmallIntegerField(
+        verbose_name="durée de partie minimale",
+        help_text="En minutes, telle qu'indiquée par l'éditeur",
+    )
+    duration_max = models.PositiveSmallIntegerField(
+        verbose_name="durée de partie maximale",
+        help_text="En minutes, telle qu'indiquée par l'éditeur, identique à la durée minimale si laissée vide",
+        blank=True,
+    )
+    duration_precisions = models.CharField(
+        max_length=256,
+        blank=True,
+        verbose_name="précisions sur la durée de partie",
+        help_text="Pour indiquer des informations complémentaires sur la durée de la partie (ex. évolution en fonction du nombre de joueur·se·s)",
+    )
 
     game_designer = models.CharField(
         max_length=256, blank=True, verbose_name="game designer"
@@ -89,7 +103,7 @@ class Suggestion(models.Model):
         return self.title
 
     def clean(self):
-        if not self.nb_player_min or not self.nb_player_max:
+        if not self.nb_player_min or not self.nb_player_max or not self.duration_min:
             return
         if self.nb_player_min > self.nb_player_max:
             raise ValidationError(
@@ -97,6 +111,14 @@ class Suggestion(models.Model):
                     "nb_player_max": "Le nombre de joueur·se·s maximum doit être supérieur au nombre de joueur·se·s minimum"
                 }
             )
+        if self.duration_max is None:
+            self.duration_max = self.duration_min
+        if self.duration_min > self.duration_max:
+            raise ValidationError(
+                {
+                    "duration_max": "La durée maximale doit être supérieure à la durée minimale"
+                }
+            )
 
     def get_player_range(self):
         precisions = ""
@@ -109,6 +131,17 @@ class Suggestion(models.Model):
         else:
             return "{} joueur·se·s{}".format(self.nb_player_min, precisions)
 
+    def get_duration_range(self):
+        precisions = ""
+        if self.duration_precisions:
+            precisions = " ({})".format(self.duration_precisions)
+        elif self.duration_min != self.duration_max:
+            return "{} à {} min{}".format(
+                self.duration_min, self.duration_max, precisions
+            )
+        else:
+            return "{} min{}".format(self.duration_min, precisions)
+
     def get_absolute_url(self):
         return reverse("suggestions:suggestion", args=(self.slug,))
 
diff --git a/suggestions/templates/suggestions/partials/suggestion_item.html b/suggestions/templates/suggestions/partials/suggestion_item.html
index 8bd6b3f..d72e833 100644
--- a/suggestions/templates/suggestions/partials/suggestion_item.html
+++ b/suggestions/templates/suggestions/partials/suggestion_item.html
@@ -1,26 +1,24 @@
 <a class="inventory_item suggestion" href="{{ suggestion.get_absolute_url }}">
   <span class="title">{{ suggestion.title }}</span>
   <span class="details">
-    <span><i class="fa fa-fw fa-thumbs-up" aria-hidden="true"></i> {{ suggestion.upvoting_users.count }}</span>
-    <span><i class="fa fa-fw fa-money" aria-hidden="true"></i> {{ suggestion.price }} €</span>
-    <span><i class="fa fa-fw fa-users" aria-hidden="true"></i> {{ suggestion.get_player_range }}</span>
-    {% if suggestion.duration %}
-    <span><i class="fa fa-fw fa-clock-o" aria-hidden="true"></i> {{ suggestion.duration }}</span>
-    {% endif %}
+    <span><i class="fa fa-thumbs-up" aria-hidden="true"></i> {{ suggestion.upvoting_users.count }}</span>
+    <span><i class="fa fa-money" aria-hidden="true"></i> {{ suggestion.price }} €</span>
+    <span><i class="fa fa-users" aria-hidden="true"></i> {{ suggestion.get_player_range }}</span>
+    <span><i class="fa fa-clock-o" aria-hidden="true"></i> {{ suggestion.get_duration_range }}</span>
     {% if suggestion.category %}
-    <span><i class="fa fa-fw fa-bookmark"></i> {{ suggestion.category }}</span>
+    <span><i class="fa fa-bookmark"></i> {{ suggestion.category }}</span>
     {% endif %}
     {% for tag in suggestion.tags.all %}
-    <span><i class="fa fa-fw fa-tag" aria-hidden="true"></i> {{ tag }}</span>
+    <span><i class="fa fa-tag" aria-hidden="true"></i> {{ tag }}</span>
     {% endfor %}
     {% if suggestion.game_designer %}
-    <span><i class="fa fa-fw fa-wrench" aria-hidden="true"></i> {{ suggestion.game_designer }}</span>
+    <span><i class="fa fa-wrench" aria-hidden="true"></i> {{ suggestion.game_designer }}</span>
     {% endif %}
     {% if suggestion.illustrator %}
-    <span><i class="fa fa-fw fa-paint-brush" aria-hidden="true"></i> {{ suggestion.illustrator }}</span>
+    <span><i class="fa fa-paint-brush" aria-hidden="true"></i> {{ suggestion.illustrator }}</span>
     {% endif %}
     {% if suggestion.editor %}
-    <span><i class="fa fa-fw fa-cogs" aria-hidden="true"></i> {{ suggestion.editor }}</span>
+    <span><i class="fa fa-cogs" aria-hidden="true"></i> {{ suggestion.editor }}</span>
     {% endif %}
   </span>
 </a>
diff --git a/suggestions/templates/suggestions/suggestion.html b/suggestions/templates/suggestions/suggestion.html
index a2f2ae8..f1c0e27 100644
--- a/suggestions/templates/suggestions/suggestion.html
+++ b/suggestions/templates/suggestions/suggestion.html
@@ -13,10 +13,10 @@
       <p><i class="fa fa-fw fa-money" aria-hidden="true"></i> <a href="{{ suggestion.buy_link }}" rel="nofollow">{{ suggestion.price }} €</a></p>
       <hr/>
       <p><i class="fa fa-fw fa-users" aria-hidden="true"></i> {{ suggestion.get_player_range }}</p>
-      <p><i class="fa fa-fw fa-clock-o" aria-hidden="true"></i> {{ suggestion.duration|default:"(Durée de jeu inconnue)" }}
+      <p><i class="fa fa-fw fa-clock-o" aria-hidden="true"></i> {{ suggestion.get_duration_range }}</p>
       <hr/>
       <p><i class="fa fa-fw fa-bookmark" aria-hidden="true"></i> {% if suggestion.category %}<a href="{{ suggestion.category.get_absolute_url }}">{{ suggestion.category }}</a>{% else %}(Pas de catégorie){% endif %}</p>
-      <p><i class="fa fa-fw fa-tags" aria-hidden="true"></i> 
+      <p><i class="fa fa-fw fa-tags" aria-hidden="true"></i>
         {% for tag in suggestion.tags.all %}
           <a href="{{ tag.get_absolute_url }}">{{ tag }}</a>{% if not forloop.last %},{% endif %}
         {% empty %}
@@ -24,8 +24,8 @@
         {% endfor %}
       </p>
       <hr/>
-      <p><i class="fa fa-fw fa-wrench" aria-hidden="true"></i> {{ suggestion.game_designer|default:"(Game designer inconnu·e)" }}</li>
-      <p><i class="fa fa-fw fa-paint-brush" aria-hidden="true"></i> {{ suggestion.illustrator|default:"(Illustrateur·trice inconnu·e)" }}</li>
+      <p><i class="fa fa-fw fa-wrench" aria-hidden="true"></i> {{ suggestion.game_designer|default:"(Game designer inconnu·e)" }}</p>
+      <p><i class="fa fa-fw fa-paint-brush" aria-hidden="true"></i> {{ suggestion.illustrator|default:"(Illustrateur·trice inconnu·e)" }}</p>
       <p><i class="fa fa-fw fa-cogs" aria-hidden="true"></i> {{ suggestion.editor|default:"(Éditeur inconnu)" }}</p>
     </div>
   </div>