diff --git a/common/components/filters.py b/common/components/filters.py
index aa2e5f6..36c6a64 100644
--- a/common/components/filters.py
+++ b/common/components/filters.py
@@ -759,10 +759,10 @@ def FilterBar(
         existing, "original_year_released"
     )
     mastered_value = _parse_bool_nullable(existing, "mastered")
-    playtime = existing.get("playtime_minutes", {})
+    playtime = existing.get("playtime_hours", {})
     if isinstance(playtime, dict):
-        playtime_min = _filter_mins_to_hrs(playtime.get("value", ""))
-        playtime_max = _filter_mins_to_hrs(playtime.get("value2", ""))
+        playtime_min = playtime.get("value", "")
+        playtime_max = playtime.get("value2", "")
     else:
         playtime_min = ""
         playtime_max = ""
@@ -771,8 +771,8 @@ def FilterBar(
     session_avg_min, session_avg_max = _parse_range(existing, "session_average")
     purchase_count_min, purchase_count_max = _parse_range(existing, "purchase_count")
     playevent_count_min, playevent_count_max = _parse_range(existing, "playevent_count")
-    manual_pt_min, manual_pt_max = _parse_range(existing, "manual_playtime_minutes")
-    calc_pt_min, calc_pt_max = _parse_range(existing, "calculated_playtime_minutes")
+    manual_pt_min, manual_pt_max = _parse_range(existing, "manual_playtime_hours")
+    calc_pt_min, calc_pt_max = _parse_range(existing, "calculated_playtime_hours")
     price_total_min, price_total_max = _parse_range(existing, "purchase_price_total")
     price_any_min, price_any_max = _parse_range(existing, "purchase_price_any")
     purchase_refunded_value = _parse_bool_nullable(existing, "purchase_refunded")
@@ -916,7 +916,7 @@ def FilterBar(
                     "Total playtime",
                     RangeSlider(
                         label="Total playtime",
-                        input_name_prefix="filter-playtime",
+                        input_name_prefix="filter-playtime-hours",
                         min_value=playtime_min,
                         max_value=playtime_max,
                         range_min=0,
@@ -927,45 +927,31 @@ def FilterBar(
                     ),
                 ),
                 _filter_field(
-                    "Manual Playtime (mins)",
+                    "Manual Playtime (hrs)",
                     RangeSlider(
-                        label="Manual Playtime (mins)",
-                        input_name_prefix="filter-manual-playtime-minutes",
+                        label="Manual Playtime (hrs)",
+                        input_name_prefix="filter-manual-playtime-hours",
                         min_value=manual_pt_min,
                         max_value=manual_pt_max,
                         range_min=0,
-                        range_max=max(playtime_range_max * 60, 240),
+                        range_max=max(playtime_range_max, 4),
                         step="1",
-                        min_placeholder="e.g. 10",
-                        max_placeholder="e.g. 120",
+                        min_placeholder="e.g. 1",
+                        max_placeholder="e.g. 10",
                     ),
                 ),
                 _filter_field(
-                    "Calculated Playtime (mins)",
+                    "Calculated Playtime (hrs)",
                     RangeSlider(
-                        label="Calculated Playtime (mins)",
-                        input_name_prefix="filter-calculated-playtime-minutes",
+                        label="Calculated Playtime (hrs)",
+                        input_name_prefix="filter-calculated-playtime-hours",
                         min_value=calc_pt_min,
                         max_value=calc_pt_max,
                         range_min=0,
-                        range_max=max(playtime_range_max * 60, 240),
+                        range_max=max(playtime_range_max, 4),
                         step="1",
-                        min_placeholder="e.g. 30",
-                        max_placeholder="e.g. 120",
-                    ),
-                ),
-                _filter_field(
-                    "Calculated Playtime (mins)",
-                    RangeSlider(
-                        label="Calculated Playtime (mins)",
-                        input_name_prefix="filter-calculated-playtime-minutes",
-                        min_value=calc_pt_min,
-                        max_value=calc_pt_max,
-                        range_min=0,
-                        range_max=max(playtime_range_max * 60, 240),
-                        step="1",
-                        min_placeholder="e.g. 30",
-                        max_placeholder="e.g. 180",
+                        min_placeholder="e.g. 1",
+                        max_placeholder="e.g. 10",
                     ),
                 ),
                 _filter_field(
@@ -1090,9 +1076,9 @@ def SessionFilterBar(
     note_value = existing.get("note", {}).get("value", "")
     note_modifier = existing.get("note", {}).get("modifier", "EQUALS")
 
-    dur_tot_min, dur_tot_max = _parse_range(existing, "duration_total_minutes")
-    dur_man_min, dur_man_max = _parse_range(existing, "duration_manual_minutes")
-    dur_calc_min, dur_calc_max = _parse_range(existing, "duration_calculated_minutes")
+    dur_tot_min, dur_tot_max = _parse_range(existing, "duration_total_hours")
+    dur_man_min, dur_man_max = _parse_range(existing, "duration_manual_hours")
+    dur_calc_min, dur_calc_max = _parse_range(existing, "duration_calculated_hours")
     emulated_value = _parse_bool_nullable(existing, "emulated")
     is_active_value = _parse_bool_nullable(existing, "is_active")
     try:
@@ -1142,37 +1128,37 @@ def SessionFilterBar(
             ],
         ),
         RangeSlider(
-            label="Total Duration (mins)",
-            input_name_prefix="filter-duration-total-minutes",
+            label="Total Duration (hrs)",
+            input_name_prefix="filter-duration-total-hours",
             min_value=dur_tot_min,
             max_value=dur_tot_max,
             range_min=0,
-            range_max=duration_range_max * 60,  # Range sliders use minutes now
+            range_max=duration_range_max,
             step="1",
-            min_placeholder="e.g. 30",
-            max_placeholder="e.g. 180",
+            min_placeholder="e.g. 1",
+            max_placeholder="e.g. 10",
         ),
         RangeSlider(
-            label="Manual Duration (mins)",
-            input_name_prefix="filter-duration-manual-minutes",
+            label="Manual Duration (hrs)",
+            input_name_prefix="filter-duration-manual-hours",
             min_value=dur_man_min,
             max_value=dur_man_max,
             range_min=0,
-            range_max=240,
+            range_max=duration_range_max,
             step="1",
-            min_placeholder="e.g. 10",
-            max_placeholder="e.g. 120",
+            min_placeholder="e.g. 1",
+            max_placeholder="e.g. 10",
         ),
         RangeSlider(
-            label="Calculated Duration (mins)",
-            input_name_prefix="filter-duration-calculated-minutes",
+            label="Calculated Duration (hrs)",
+            input_name_prefix="filter-duration-calculated-hours",
             min_value=dur_calc_min,
             max_value=dur_calc_max,
             range_min=0,
-            range_max=duration_range_max * 60,
+            range_max=duration_range_max,
             step="1",
-            min_placeholder="e.g. 30",
-            max_placeholder="e.g. 180",
+            min_placeholder="e.g. 1",
+            max_placeholder="e.g. 10",
         ),
         Div(
             attributes=[("class", "flex gap-6 mb-4")],
diff --git a/games/filters.py b/games/filters.py
index f6614c0..29721bb 100644
--- a/games/filters.py
+++ b/games/filters.py
@@ -62,18 +62,18 @@ class GameFilter(OperatorFilter):
     platform_group: MultiCriterion | None = None  # platform__group__in
     status: ChoiceCriterion | None = None  # selectable filter widget
     mastered: BoolCriterion | None = None
-    playtime_minutes: IntCriterion | None = None  # converted to timedelta on to_q()
+    playtime_hours: IntCriterion | None = None  # converted to timedelta on to_q()
     created_at: StringCriterion | None = None  # date string
     updated_at: StringCriterion | None = None  # date string
 
     session_count: IntCriterion | None = None
-    session_average: IntCriterion | None = None  # average in minutes
+    session_average: IntCriterion | None = None  # average in hours
     purchase_count: IntCriterion | None = None  # distinct purchases per game
     playevent_count: IntCriterion | None = None  # playevents per game
 
-    # Aggregate session durations (minutes), summed across the game's sessions
-    manual_playtime_minutes: IntCriterion | None = None
-    calculated_playtime_minutes: IntCriterion | None = None
+    # Aggregate session durations (hours), summed across the game's sessions
+    manual_playtime_hours: IntCriterion | None = None
+    calculated_playtime_hours: IntCriterion | None = None
 
     # Cross-entity: any session played on these devices / matching these flags
     device: MultiCriterion | None = None  # game has session on any of these devices
@@ -119,8 +119,8 @@ class GameFilter(OperatorFilter):
             q &= self.status.to_q("status")
         if self.mastered is not None:
             q &= self.mastered.to_q("mastered")
-        if self.playtime_minutes is not None:
-            q &= self._playtime_to_q(self.playtime_minutes)
+        if self.playtime_hours is not None:
+            q &= self._playtime_to_q(self.playtime_hours)
         if self.created_at is not None:
             q &= self.created_at.to_q("created_at")
         if self.updated_at is not None:
@@ -177,7 +177,7 @@ class GameFilter(OperatorFilter):
             )
             q &= Q(id__in=matching_ids)
 
-        if self.manual_playtime_minutes is not None:
+        if self.manual_playtime_hours is not None:
             from django.db.models import Sum
 
             from games.models import Game
@@ -186,14 +186,14 @@ class GameFilter(OperatorFilter):
                 Game.objects.annotate(s_manual=Sum("sessions__duration_manual"))
                 .filter(
                     self._playtime_to_q_for_field(
-                        self.manual_playtime_minutes, "s_manual"
+                        self.manual_playtime_hours, "s_manual"
                     )
                 )
                 .values_list("id", flat=True)
             )
             q &= Q(id__in=matching_ids)
 
-        if self.calculated_playtime_minutes is not None:
+        if self.calculated_playtime_hours is not None:
             from django.db.models import Sum
 
             from games.models import Game
@@ -202,7 +202,7 @@ class GameFilter(OperatorFilter):
                 Game.objects.annotate(s_calc=Sum("sessions__duration_calculated"))
                 .filter(
                     self._playtime_to_q_for_field(
-                        self.calculated_playtime_minutes, "s_calc"
+                        self.calculated_playtime_hours, "s_calc"
                     )
                 )
                 .values_list("id", flat=True)
@@ -362,30 +362,30 @@ class GameFilter(OperatorFilter):
 
     @staticmethod
     def _playtime_to_q_for_field(c: IntCriterion, field: str) -> Q:
-        """Convert minutes-based criterion to a DurationField Q object.
+        """Convert hours-based criterion to a DurationField Q object.
 
         Django stores DurationField as microseconds in SQLite, so we convert
-        minutes → timedelta(microseconds=X) and use the appropriate lookups.
+        hours → timedelta(microseconds=X) and use the appropriate lookups.
         """
         from datetime import timedelta
 
         from common.criteria import Modifier
 
         m = c.modifier
-        td_val = timedelta(minutes=c.value)
+        td_val = timedelta(hours=c.value)
 
         if m == Modifier.EQUALS:
             return Q(
                 **{
                     f"{field}__gte": td_val,
-                    f"{field}__lt": timedelta(minutes=c.value + 1),
+                    f"{field}__lt": timedelta(hours=c.value + 1),
                 }
             )
         if m == Modifier.NOT_EQUALS:
             return ~Q(
                 **{
                     f"{field}__gte": td_val,
-                    f"{field}__lt": timedelta(minutes=c.value + 1),
+                    f"{field}__lt": timedelta(hours=c.value + 1),
                 }
             )
         if m == Modifier.GREATER_THAN:
@@ -393,12 +393,12 @@ class GameFilter(OperatorFilter):
         if m == Modifier.LESS_THAN:
             return Q(**{f"{field}__lt": td_val})
         if m == Modifier.BETWEEN and c.value2 is not None:
-            lo = timedelta(minutes=min(c.value, c.value2))
-            hi = timedelta(minutes=max(c.value, c.value2))
+            lo = timedelta(hours=min(c.value, c.value2))
+            hi = timedelta(hours=max(c.value, c.value2))
             return Q(**{f"{field}__gte": lo, f"{field}__lte": hi})
         if m == Modifier.NOT_BETWEEN and c.value2 is not None:
-            lo = timedelta(minutes=min(c.value, c.value2))
-            hi = timedelta(minutes=max(c.value, c.value2))
+            lo = timedelta(hours=min(c.value, c.value2))
+            hi = timedelta(hours=max(c.value, c.value2))
             return Q(**{f"{field}__lt": lo}) | Q(**{f"{field}__gt": hi})
         if m == Modifier.IS_NULL:
             return Q(**{f"{field}": timedelta(0)})
@@ -431,10 +431,10 @@ class SessionFilter(OperatorFilter):
     device: MultiCriterion | None = None  # filters on device_id
     emulated: BoolCriterion | None = None
     note: StringCriterion | None = None
-    duration_minutes: IntCriterion | None = None  # on duration_total (legacy alias)
-    duration_total_minutes: IntCriterion | None = None
-    duration_manual_minutes: IntCriterion | None = None
-    duration_calculated_minutes: IntCriterion | None = None
+    duration_hours: IntCriterion | None = None  # on duration_total (legacy alias)
+    duration_total_hours: IntCriterion | None = None
+    duration_manual_hours: IntCriterion | None = None
+    duration_calculated_hours: IntCriterion | None = None
     is_active: BoolCriterion | None = None  # timestamp_end IS NULL
     timestamp_start: StringCriterion | None = None  # date string
     timestamp_end: StringCriterion | None = None  # date string
@@ -454,20 +454,20 @@ class SessionFilter(OperatorFilter):
         from datetime import timedelta
 
         q = Q()
-        td_val = timedelta(minutes=c.value)
+        td_val = timedelta(hours=c.value)
         m = c.modifier
         if m == Modifier.EQUALS:
             q &= Q(
                 **{
                     f"{field}__gte": td_val,
-                    f"{field}__lt": timedelta(minutes=c.value + 1),
+                    f"{field}__lt": timedelta(hours=c.value + 1),
                 }
             )
         elif m == Modifier.NOT_EQUALS:
             q &= ~Q(
                 **{
                     f"{field}__gte": td_val,
-                    f"{field}__lt": timedelta(minutes=c.value + 1),
+                    f"{field}__lt": timedelta(hours=c.value + 1),
                 }
             )
         elif m == Modifier.GREATER_THAN:
@@ -475,12 +475,12 @@ class SessionFilter(OperatorFilter):
         elif m == Modifier.LESS_THAN:
             q &= Q(**{f"{field}__lt": td_val})
         elif m == Modifier.BETWEEN and c.value2 is not None:
-            lo = timedelta(minutes=min(c.value, c.value2))
-            hi = timedelta(minutes=max(c.value, c.value2))
+            lo = timedelta(hours=min(c.value, c.value2))
+            hi = timedelta(hours=max(c.value, c.value2))
             q &= Q(**{f"{field}__gte": lo, f"{field}__lte": hi})
         elif m == Modifier.NOT_BETWEEN and c.value2 is not None:
-            lo = timedelta(minutes=min(c.value, c.value2))
-            hi = timedelta(minutes=max(c.value, c.value2))
+            lo = timedelta(hours=min(c.value, c.value2))
+            hi = timedelta(hours=max(c.value, c.value2))
             q &= Q(**{f"{field}__lt": lo}) | Q(**{f"{field}__gt": hi})
         elif m == Modifier.IS_NULL:
             q &= Q(**{f"{field}": timedelta(0)})
@@ -501,15 +501,15 @@ class SessionFilter(OperatorFilter):
             q &= self.emulated.to_q("emulated")
         if self.note is not None:
             q &= self.note.to_q("note")
-        if self.duration_minutes is not None:
-            q &= self._duration_to_q(self.duration_minutes, "duration_total")
-        if self.duration_total_minutes is not None:
-            q &= self._duration_to_q(self.duration_total_minutes, "duration_total")
-        if self.duration_manual_minutes is not None:
-            q &= self._duration_to_q(self.duration_manual_minutes, "duration_manual")
-        if self.duration_calculated_minutes is not None:
+        if self.duration_hours is not None:
+            q &= self._duration_to_q(self.duration_hours, "duration_total")
+        if self.duration_total_hours is not None:
+            q &= self._duration_to_q(self.duration_total_hours, "duration_total")
+        if self.duration_manual_hours is not None:
+            q &= self._duration_to_q(self.duration_manual_hours, "duration_manual")
+        if self.duration_calculated_hours is not None:
             q &= self._duration_to_q(
-                self.duration_calculated_minutes, "duration_calculated"
+                self.duration_calculated_hours, "duration_calculated"
             )
         if self.is_active is not None:
             if self.is_active.value:
diff --git a/games/static/base.css b/games/static/base.css
index fce8bdc..556712d 100644
--- a/games/static/base.css
+++ b/games/static/base.css
@@ -1579,6 +1579,9 @@
   .w-5 {
     width: calc(var(--spacing) * 5);
   }
+  .w-5\/6 {
+    width: calc(5 / 6 * 100%);
+  }
   .w-10 {
     width: calc(var(--spacing) * 10);
   }
@@ -3359,11 +3362,6 @@
       grid-template-columns: repeat(2, minmax(0, 1fr));
     }
   }
-  .sm\:grid-cols-4 {
-    @media (width >= 40rem) {
-      grid-template-columns: repeat(4, minmax(0, 1fr));
-    }
-  }
   .sm\:rounded-t-lg {
     @media (width >= 40rem) {
       border-top-left-radius: var(--radius-lg);
@@ -3529,21 +3527,11 @@
       max-width: var(--breakpoint-2xl);
     }
   }
-  .\@sm\:grid-cols-3 {
-    @container (width >= 24rem) {
-      grid-template-columns: repeat(3, minmax(0, 1fr));
-    }
-  }
   .\@md\:grid-cols-4 {
     @container (width >= 28rem) {
       grid-template-columns: repeat(4, minmax(0, 1fr));
     }
   }
-  .\@lg\:grid-cols-6 {
-    @container (width >= 32rem) {
-      grid-template-columns: repeat(6, minmax(0, 1fr));
-    }
-  }
   .rtl\:rotate-180 {
     &:where(:dir(rtl), [dir="rtl"], [dir="rtl"] *) {
       rotate: 180deg;
diff --git a/games/static/js/filter_bar.js b/games/static/js/filter_bar.js
index a5e7914..9281509 100644
--- a/games/static/js/filter_bar.js
+++ b/games/static/js/filter_bar.js
@@ -152,17 +152,17 @@
       { prefix: "filter-session-average", key: "session_average" },
       { prefix: "filter-purchase-count", key: "purchase_count" },
       { prefix: "filter-playevent-count", key: "playevent_count" },
-      { prefix: "filter-duration-total-minutes", key: "duration_total_minutes" },
-      { prefix: "filter-duration-manual-minutes", key: "duration_manual_minutes" },
-      { prefix: "filter-duration-calculated-minutes", key: "duration_calculated_minutes" },
-      { prefix: "filter-manual-playtime-minutes", key: "manual_playtime_minutes" },
-      { prefix: "filter-calculated-playtime-minutes", key: "calculated_playtime_minutes" },
+      { prefix: "filter-duration-total-hours", key: "duration_total_hours" },
+      { prefix: "filter-duration-manual-hours", key: "duration_manual_hours" },
+      { prefix: "filter-duration-calculated-hours", key: "duration_calculated_hours" },
+      { prefix: "filter-manual-playtime-hours", key: "manual_playtime_hours" },
+      { prefix: "filter-calculated-playtime-hours", key: "calculated_playtime_hours" },
       { prefix: "filter-num-purchases", key: "num_purchases" },
       { prefix: "filter-price", key: "price" },
       { prefix: "filter-purchase-price-total", key: "purchase_price_total" },
       { prefix: "filter-purchase-price-any", key: "purchase_price_any" },
       { prefix: "filter-days-to-finish", key: "days_to_finish" },
-      { prefix: "filter-playtime", key: "playtime_minutes", convert: function(v) { return Math.round(v * 60); }, ignoreZeroZero: true }
+      { prefix: "filter-playtime-hours", key: "playtime_hours", ignoreZeroZero: true }
     ];
 
     rangeFields.forEach(function (rf) {
diff --git a/tests/test_filter_bars.py b/tests/test_filter_bars.py
index 18a7814..098b178 100644
--- a/tests/test_filter_bars.py
+++ b/tests/test_filter_bars.py
@@ -246,8 +246,8 @@ class FilterBarRenderingTest(TestCase):
         # New range slider input prefixes
         self.assertIn('name="filter-purchase-count-min"', html)
         self.assertIn('name="filter-playevent-count-min"', html)
-        self.assertIn('name="filter-manual-playtime-minutes-min"', html)
-        self.assertIn('name="filter-calculated-playtime-minutes-min"', html)
+        self.assertIn('name="filter-manual-playtime-hours-min"', html)
+        self.assertIn('name="filter-calculated-playtime-hours-min"', html)
         self.assertIn('name="filter-original-year-min"', html)
         self.assertIn('name="filter-purchase-price-total-min"', html)
         self.assertIn('name="filter-purchase-price-any-min"', html)
diff --git a/tests/test_filters.py b/tests/test_filters.py
index e6359cb..ec3e49d 100644
--- a/tests/test_filters.py
+++ b/tests/test_filters.py
@@ -706,7 +706,7 @@ class TestExpandedFiltersAgainstDB:
         # 2. Device & Session
         dev, _ = Device.objects.get_or_create(name="Super Famicom", type="Console")
 
-        # Session 1: total 40 minutes (30 calc, 10 manual)
+        # Session 1: total 4 hours (3 hours calc, 1 hour manual)
         s1 = Session.objects.create(
             game=game,
             device=dev,
@@ -714,9 +714,9 @@ class TestExpandedFiltersAgainstDB:
                 2026, 6, 1, 12, 0, 0, tzinfo=datetime.timezone.utc
             ),
             timestamp_end=datetime.datetime(
-                2026, 6, 1, 12, 30, 0, tzinfo=datetime.timezone.utc
+                2026, 6, 1, 15, 0, 0, tzinfo=datetime.timezone.utc
             ),
-            duration_manual=timedelta(minutes=10),
+            duration_manual=timedelta(hours=1),
         )
 
         # 3. Purchase
@@ -786,21 +786,21 @@ class TestExpandedFiltersAgainstDB:
 
         data = self._setup_entities()
 
-        # Test duration_total_minutes equals 40
+        # Test duration_total_hours equals 4
         sf_tot = SessionFilter.from_json(
-            {"duration_total_minutes": {"value": 40, "modifier": "EQUALS"}}
+            {"duration_total_hours": {"value": 4, "modifier": "EQUALS"}}
         )
         assert Session.objects.filter(sf_tot.to_q()).count() == 1
 
-        # Test duration_manual_minutes equals 10
+        # Test duration_manual_hours equals 1
         sf_man = SessionFilter.from_json(
-            {"duration_manual_minutes": {"value": 10, "modifier": "EQUALS"}}
+            {"duration_manual_hours": {"value": 1, "modifier": "EQUALS"}}
         )
         assert Session.objects.filter(sf_man.to_q()).count() == 1
 
-        # Test duration_calculated_minutes equals 30
+        # Test duration_calculated_hours equals 3
         sf_calc = SessionFilter.from_json(
-            {"duration_calculated_minutes": {"value": 30, "modifier": "EQUALS"}}
+            {"duration_calculated_hours": {"value": 3, "modifier": "EQUALS"}}
         )
         assert Session.objects.filter(sf_calc.to_q()).count() == 1
 
@@ -1017,14 +1017,14 @@ class TestExpandedFiltersAgainstDB:
         from games.models import Game
 
         data = self._setup_entities()
-        # data["s1"] has 10 minutes manual + 30 minutes calculated
+        # data["s1"] has 1 hour manual + 3 hours calculated
         gf_manual = GameFilter.from_json(
-            {"manual_playtime_minutes": {"value": 10, "modifier": "EQUALS"}}
+            {"manual_playtime_hours": {"value": 1, "modifier": "EQUALS"}}
         )
         assert data["game"] in set(Game.objects.filter(gf_manual.to_q()))
 
         gf_calc = GameFilter.from_json(
-            {"calculated_playtime_minutes": {"value": 30, "modifier": "EQUALS"}}
+            {"calculated_playtime_hours": {"value": 3, "modifier": "EQUALS"}}
         )
         assert data["game"] in set(Game.objects.filter(gf_calc.to_q()))