diff --git a/API Server/internal/api/vehicleproviders.go b/API Server/internal/api/vehicleproviders.go
index 1047a18..893f533 100644
--- a/API Server/internal/api/vehicleproviders.go	
+++ b/API Server/internal/api/vehicleproviders.go	
@@ -650,6 +650,24 @@ var headlineMetricSpecs = []metricSpec{
 	{key: "evRangeWithAc", keys: []string{"evRangeWithAc"}, unit: "km", distance: true},
 }
 
+// roundForDisplay trims a reading to the precision it actually has.
+//
+// A range converted from miles arrives as 99.744 km, which claims to know the
+// remaining range to the metre and reads as false precision beside the 103.9 its
+// untouched twin reports. Distances keep one decimal and percentages none;
+// anything else is left alone, because without knowing what it measures there is
+// no safe place to cut.
+func roundForDisplay(n float64, spec metricSpec) float64 {
+	switch {
+	case spec.distance:
+		return math.Round(n*10) / 10
+	case spec.unit == "%":
+		return math.Round(n)
+	default:
+		return n
+	}
+}
+
 // unmeasuredMetricKeys are the headline readings that are not measures — a state
 // and a pair of coordinates — picked out separately below.
 var unmeasuredMetricKeys = []string{"chargingStatus", "location"}
@@ -671,7 +689,7 @@ func headlineMetrics(trees []any) []providerMetric {
 			} else if unit != "" && spec.unit != "%" {
 				display = unit
 			}
-			out = append(out, providerMetric{Key: spec.key, Value: formatNumber(n), Unit: display})
+			out = append(out, providerMetric{Key: spec.key, Value: formatNumber(roundForDisplay(n, spec)), Unit: display})
 			break
 		}
 	}
diff --git a/API Server/internal/api/vehicleproviders_test.go b/API Server/internal/api/vehicleproviders_test.go
index 8968b5a..d5de038 100644
--- a/API Server/internal/api/vehicleproviders_test.go	
+++ b/API Server/internal/api/vehicleproviders_test.go	
@@ -194,6 +194,39 @@ func TestHeadlineMetrics(t *testing.T) {
 	}
 }
 
+// A reading converted out of miles must not claim to know the range to the
+// metre. 62 mi is 99.779136 km exactly; the tab shows 99.8, the way the same
+// figure reported in km already would read.
+func TestHeadlineMetricsRoundsConvertedReadings(t *testing.T) {
+	trees := []any{
+		decode(t, `{"payload": {"odometer": {"value": 12000, "unit": "mi"},
+			"evRange": {"value": 62, "unit": "mi"},
+			"evRangeWithAc": {"value": 99.744, "unit": "km"},
+			"batteryLevel": 23.4}}`),
+	}
+	got := map[string]providerMetric{}
+	for _, m := range headlineMetrics(trees) {
+		got[m.Key] = m
+	}
+
+	if got["evRange"].Value != "99.8" || got["evRange"].Unit != "km" {
+		t.Errorf("evRange = %+v, want 99.8 km", got["evRange"])
+	}
+	// Rounding is by the reading's kind, not by whether it was converted: a
+	// provider reporting km with too many decimals gets the same treatment.
+	if got["evRangeWithAc"].Value != "99.7" {
+		t.Errorf("evRangeWithAc = %+v, want 99.7", got["evRangeWithAc"])
+	}
+	// A whole number stays whole rather than gaining a ".0".
+	if got["odometer"].Value != "19312.1" {
+		t.Errorf("odometer = %+v, want 19312.1", got["odometer"])
+	}
+	// A battery percentage is a whole number; tenths of a percent are noise.
+	if got["batteryLevel"].Value != "23" || got["batteryLevel"].Unit != "%" {
+		t.Errorf("batteryLevel = %+v, want 23 %%", got["batteryLevel"])
+	}
+}
+
 func TestNormalizeProviderFuelType(t *testing.T) {
 	cases := map[string]string{
 		"HV":               "hybrid",
diff --git a/Phone App/lib/screens/admin_users_screen.dart b/Phone App/lib/screens/admin_users_screen.dart
index 2966ebf..f0dce16 100644
--- a/Phone App/lib/screens/admin_users_screen.dart	
+++ b/Phone App/lib/screens/admin_users_screen.dart	
@@ -331,7 +331,7 @@ class _CreateUserSheetState extends State<_CreateUserSheet> {
         left: 16,
         right: 16,
         top: 16,
-        bottom: MediaQuery.of(context).viewInsets.bottom + 16,
+        bottom: DriverVault.sheetBottomInset(context),
       ),
       child: Column(
         mainAxisSize: MainAxisSize.min,
diff --git a/Phone App/lib/screens/car_detail_screen.dart b/Phone App/lib/screens/car_detail_screen.dart
index 85cdab8..acdaf3a 100644
--- a/Phone App/lib/screens/car_detail_screen.dart	
+++ b/Phone App/lib/screens/car_detail_screen.dart	
@@ -1691,7 +1691,7 @@ class _ShareSheetState extends State<_ShareSheet> {
         left: 16,
         right: 16,
         top: 16,
-        bottom: MediaQuery.of(context).viewInsets.bottom + 16,
+        bottom: DriverVault.sheetBottomInset(context),
       ),
       child: Column(
         mainAxisSize: MainAxisSize.min,
@@ -1956,7 +1956,7 @@ class _ServiceSheetState extends State<_ServiceSheet> {
         left: 16,
         right: 16,
         top: 16,
-        bottom: MediaQuery.of(context).viewInsets.bottom + 16,
+        bottom: DriverVault.sheetBottomInset(context),
       ),
       child: Column(
         mainAxisSize: MainAxisSize.min,
@@ -2139,7 +2139,7 @@ class _PartSheetState extends State<_PartSheet> {
         left: 16,
         right: 16,
         top: 16,
-        bottom: MediaQuery.of(context).viewInsets.bottom + 16,
+        bottom: DriverVault.sheetBottomInset(context),
       ),
       child: Column(
         mainAxisSize: MainAxisSize.min,
diff --git a/Phone App/lib/screens/car_form_sheet.dart b/Phone App/lib/screens/car_form_sheet.dart
index 4271872..62788f2 100644
--- a/Phone App/lib/screens/car_form_sheet.dart	
+++ b/Phone App/lib/screens/car_form_sheet.dart	
@@ -187,7 +187,7 @@ class _CarFormSheetState extends State<CarFormSheet> {
         left: 16,
         right: 16,
         top: 16,
-        bottom: MediaQuery.of(context).viewInsets.bottom + 16,
+        bottom: DriverVault.sheetBottomInset(context),
       ),
       child: SingleChildScrollView(
         child: Column(
diff --git a/Phone App/lib/screens/record_form_sheets.dart b/Phone App/lib/screens/record_form_sheets.dart
index 6027aae..a7f3226 100644
--- a/Phone App/lib/screens/record_form_sheets.dart	
+++ b/Phone App/lib/screens/record_form_sheets.dart	
@@ -47,7 +47,7 @@ class _SheetScaffold extends StatelessWidget {
         left: 16,
         right: 16,
         top: 16,
-        bottom: MediaQuery.of(context).viewInsets.bottom + 16,
+        bottom: DriverVault.sheetBottomInset(context),
       ),
       child: SingleChildScrollView(
         child: Column(
diff --git a/Phone App/lib/theme.dart b/Phone App/lib/theme.dart
index 0cdeea1..cf00588 100644
--- a/Phone App/lib/theme.dart	
+++ b/Phone App/lib/theme.dart	
@@ -65,6 +65,19 @@ class DriverVault {
   static Color brandTint(BuildContext c) => isDark(c) ? const Color(0xFF17294A) : brand100;
   static Color brandOnTint(BuildContext c) => isDark(c) ? brand300 : brand700;
 
+  /// Bottom padding for a modal bottom sheet.
+  ///
+  /// The keyboard and the system navigation bar both eat into the bottom of a
+  /// sheet, and padding for only one of them puts the save button under the
+  /// other. They do not add up — a raised keyboard covers the navigation bar —
+  /// so it is the larger of the two, plus the sheet's own margin.
+  static double sheetBottomInset(BuildContext c) {
+    final media = MediaQuery.of(c);
+    final keyboard = media.viewInsets.bottom;
+    final systemBar = media.viewPadding.bottom;
+    return (keyboard > systemBar ? keyboard : systemBar) + 16;
+  }
+
   /// Muted secondary text colour (replaces ad-hoc Colors.grey).
   static Color muted(BuildContext c) => isDark(c) ? darkTextMuted : ink400;