diff --git a/common/components.py b/common/components.py
index 527ecd7..09656fb 100644
--- a/common/components.py
+++ b/common/components.py
@@ -3,6 +3,7 @@ from string import ascii_lowercase
 from typing import Any, Callable
 
 from django.template import TemplateDoesNotExist
+from django.template.defaultfilters import floatformat
 from django.template.loader import render_to_string
 from django.urls import NoReverseMatch, reverse
 from django.utils.safestring import SafeText, mark_safe
@@ -50,6 +51,7 @@ def randomid(seed: str = "", length: int = 10) -> str:
 def Popover(
     popover_content: str,
     wrapped_content: str = "",
+    wrapped_classes: str = "",
     children: list[HTMLTag] = [],
     attributes: list[HTMLAttribute] = [],
 ) -> str:
@@ -62,6 +64,7 @@ def Popover(
             ("id", id),
             ("wrapped_content", wrapped_content),
             ("popover_content", popover_content),
+            ("wrapped_classes", wrapped_classes),
         ],
         children=children,
         template="cotton/popover.html",
@@ -193,3 +196,11 @@ def NameWithPlatformIcon(name: str, platform: str) -> SafeText:
     )
 
     return mark_safe(content)
+
+
+def PurchasePrice(purchase) -> str:
+    return Popover(
+        popover_content=f"{floatformat(purchase.price)} {purchase.price_currency}",
+        wrapped_content=f"{floatformat(purchase.converted_price)} {purchase.converted_currency}",
+        wrapped_classes="underline decoration-dotted",
+    )
diff --git a/games/static/base.css b/games/static/base.css
index 1132bfd..83fded9 100644
--- a/games/static/base.css
+++ b/games/static/base.css
@@ -2192,6 +2192,10 @@ input:checked + .toggle-bg {
   text-decoration-color: #64748b;
 }
 
+.decoration-dotted {
+  text-decoration-style: dotted;
+}
+
 .opacity-0 {
   opacity: 0;
 }
diff --git a/games/templates/cotton/popover.html b/games/templates/cotton/popover.html
index 7806a71..c4895f1 100644
--- a/games/templates/cotton/popover.html
+++ b/games/templates/cotton/popover.html
@@ -1,8 +1,10 @@
-<span data-popover-target={{ id }} class="{{ class }}">{{ wrapped_content|default:slot }}</span>
+<span data-popover-target={{ id }} class="{{ wrapped_classes }}">{{ wrapped_content|default:slot }}</span>
 <div data-popover
      id="{{ id }}"
      role="tooltip"
      class="absolute z-10 invisible inline-block text-sm text-white transition-opacity duration-300 bg-white border border-purple-200 rounded-lg shadow-sm opacity-0 dark:text-white dark:border-purple-600 dark:bg-purple-800">
     <div class="px-3 py-2">{{ popover_content }}</div>
     <div data-popper-arrow></div>
+    <!-- for Tailwind CSS to generate decoration-dotted CSS from Python component -->
+    <span class="hidden decoration-dotted"></span>
 </div>
diff --git a/games/templates/stats.html b/games/templates/stats.html
index af2c012..4a204be 100644
--- a/games/templates/stats.html
+++ b/games/templates/stats.html
@@ -142,7 +142,9 @@
             </tr>
             <tr>
                 <td class="px-2 sm:px-4 md:px-6 md:py-2">Spendings ({{ total_spent_currency }})</td>
-                <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ total_spent }} ({{ spent_per_game }}/game)</td>
+                <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">
+                    {{ total_spent | floatformat }} ({{ spent_per_game | floatformat }}/game)
+                </td>
             </tr>
         </tbody>
     </table>
@@ -253,7 +255,7 @@
                 {% for purchase in purchased_unfinished %}
                     <tr>
                         <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{% partial purchase-name %}</td>
-                        <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ purchase.converted_price }}</td>
+                        <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ purchase.converted_price | floatformat }}</td>
                         <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ purchase.date_purchased | date:"d/m/Y" }}</td>
                     </tr>
                 {% endfor %}
@@ -274,7 +276,7 @@
                 {% for purchase in all_purchased_this_year %}
                     <tr>
                         <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{% partial purchase-name %}</td>
-                        <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ purchase.converted_price }}</td>
+                        <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ purchase.converted_price | floatformat }}</td>
                         <td class="px-2 sm:px-4 md:px-6 md:py-2 font-mono">{{ purchase.date_purchased | date:"d/m/Y" }}</td>
                     </tr>
                 {% endfor %}
diff --git a/games/views/game.py b/games/views/game.py
index 4b1a76c..d55fb14 100644
--- a/games/views/game.py
+++ b/games/views/game.py
@@ -16,6 +16,7 @@ from common.components import (
     NameWithPlatformIcon,
     Popover,
     PopoverTruncated,
+    PurchasePrice,
 )
 from common.time import (
     dateformat,
@@ -25,7 +26,7 @@ from common.time import (
     local_strftime,
     timeformat,
 )
-from common.utils import format_float_or_int, safe_division, truncate
+from common.utils import safe_division, truncate
 from games.forms import GameForm
 from games.models import Edition, Game, Purchase, Session
 from games.views.general import use_custom_redirect
@@ -247,7 +248,7 @@ def view_game(request: HttpRequest, game_id: int) -> HttpResponse:
                 ),
                 purchase.get_type_display(),
                 purchase.date_purchased.strftime(dateformat),
-                f"{format_float_or_int(purchase.price)} {purchase.price_currency}",
+                PurchasePrice(purchase),
                 render_to_string(
                     "cotton/button_group.html",
                     {
diff --git a/games/views/purchase.py b/games/views/purchase.py
index 005f08f..1b2ca12 100644
--- a/games/views/purchase.py
+++ b/games/views/purchase.py
@@ -9,13 +9,13 @@ from django.http import (
     HttpResponseRedirect,
 )
 from django.shortcuts import get_object_or_404, redirect, render
+from django.template.defaultfilters import floatformat
 from django.template.loader import render_to_string
 from django.urls import reverse
 from django.utils import timezone
 
 from common.components import A, Button, Icon, LinkedNameWithPlatformIcon
 from common.time import dateformat
-from common.utils import format_float_or_int
 from games.forms import PurchaseForm
 from games.models import Edition, Purchase
 from games.views.general import use_custom_redirect
@@ -66,7 +66,7 @@ def list_purchases(request: HttpRequest) -> HttpResponse:
                         platform=purchase.platform,
                     ),
                     purchase.get_type_display(),
-                    format_float_or_int(purchase.price),
+                    floatformat(purchase.price),
                     purchase.price_currency,
                     purchase.infinite,
                     purchase.date_purchased.strftime(dateformat),