diff --git a/src/app/update/file.rs b/src/app/update/file.rs
index b1d169170..bc7768031 100644
--- a/src/app/update/file.rs
+++ b/src/app/update/file.rs
@@ -133,6 +133,9 @@ fn plot_dialog_sheet_mm(d: &crate::ui::window::plot::PlotDialogState) -> (f64, f
         "A1" => Some(PaperSize::A1),
         "A0" => Some(PaperSize::A0),
         "A4" => Some(PaperSize::A4),
+        "Letter" => Some(PaperSize::Letter),
+        "Legal" => Some(PaperSize::Legal),
+        "Tabloid" => Some(PaperSize::Tabloid),
         _ => None,
     };
     if let Some(paper) = standard {
@@ -4285,7 +4288,10 @@ pub(super) fn on_open_file(&mut self) -> Task<Message> {
                 .as_deref()
                 .is_some_and(|name| name.eq_ignore_ascii_case(&style_name));
         let (mut paper, orient) = paper_label_from_dims(ps.paper_width, ps.paper_height);
-        if !matches!(paper.as_str(), "A4" | "A3" | "A2" | "A1" | "A0")
+        if !matches!(
+            paper.as_str(),
+            "A4" | "A3" | "A2" | "A1" | "A0" | "Letter" | "Legal" | "Tabloid"
+        )
             && !ps.paper_size.is_empty()
         {
             paper = ps.paper_size.clone();
@@ -4389,6 +4395,9 @@ pub(super) fn on_open_file(&mut self) -> Task<Message> {
             "A2" => PaperSize::A2,
             "A1" => PaperSize::A1,
             "A0" => PaperSize::A0,
+            "Letter" => PaperSize::Letter,
+            "Legal" => PaperSize::Legal,
+            "Tabloid" => PaperSize::Tabloid,
             _ => PaperSize::A4,
         };
         let orient = if d.orientation == "Portrait" {
diff --git a/src/io/paper_sizes.rs b/src/io/paper_sizes.rs
index 8fcbefde8..9eaa1200d 100644
--- a/src/io/paper_sizes.rs
+++ b/src/io/paper_sizes.rs
@@ -7,15 +7,21 @@ pub enum PaperSize {
     A2,
     A1,
     A0,
+    Letter,
+    Legal,
+    Tabloid,
 }
 
 impl PaperSize {
-    pub const ALL: [PaperSize; 5] = [
+    pub const ALL: [PaperSize; 8] = [
         PaperSize::A4,
         PaperSize::A3,
         PaperSize::A2,
         PaperSize::A1,
         PaperSize::A0,
+        PaperSize::Letter,
+        PaperSize::Legal,
+        PaperSize::Tabloid,
     ];
 
     pub fn label(self) -> &'static str {
@@ -25,6 +31,9 @@ impl PaperSize {
             PaperSize::A2 => "A2",
             PaperSize::A1 => "A1",
             PaperSize::A0 => "A0",
+            PaperSize::Letter => "Letter",
+            PaperSize::Legal => "Legal",
+            PaperSize::Tabloid => "Tabloid",
         }
     }
 
@@ -36,6 +45,9 @@ impl PaperSize {
             PaperSize::A2 => (420.0, 594.0),
             PaperSize::A1 => (594.0, 841.0),
             PaperSize::A0 => (841.0, 1189.0),
+            PaperSize::Letter => (215.9, 279.4),
+            PaperSize::Legal => (215.9, 355.6),
+            PaperSize::Tabloid => (279.4, 431.8),
         }
     }
 }