diff --git a/src/seedsigner/gui/components.py b/src/seedsigner/gui/components.py
index 0706f213..9193e451 100644
--- a/src/seedsigner/gui/components.py
+++ b/src/seedsigner/gui/components.py
@@ -739,7 +739,7 @@ class FormattedAddress(BaseComponent):
                     ))
 
                 remaining_display_str = remaining_display_str[max_chars_per_line:]
-                cur_y += char_height
+                cur_y += char_height + GUIConstants.BODY_LINE_SPACING
         
         self.height = cur_y
     
diff --git a/src/seedsigner/gui/screens/psbt_screens.py b/src/seedsigner/gui/screens/psbt_screens.py
index 502c3921..36a2b895 100644
--- a/src/seedsigner/gui/screens/psbt_screens.py
+++ b/src/seedsigner/gui/screens/psbt_screens.py
@@ -511,7 +511,7 @@ class PSBTMathScreen(ButtonListScreen):
 
         body_font = Fonts.get_font(GUIConstants.BODY_FONT_NAME, (GUIConstants.BODY_FONT_SIZE)*ssf)
         fixed_width_font = Fonts.get_font(GUIConstants.FIXED_WIDTH_FONT_NAME, (GUIConstants.BODY_FONT_SIZE + 6)*ssf)
-        left, top, right, bottom  = fixed_width_font.getbbox(self.input_amount + "+")
+        left, top, right, bottom  = fixed_width_font.getbbox(self.input_amount + "Q")
         digits_width, digits_height = right - left, bottom - top
 
         # Draw each line of the equation
@@ -550,7 +550,7 @@ class PSBTMathScreen(ButtonListScreen):
         # spend_amount will be zero on self-transfers; only display when there's an
         # external recipient.
         if self.num_recipients > 0:
-            cur_y += int(digits_height * 1.2)
+            cur_y += digits_height + GUIConstants.BODY_LINE_SPACING * ssf
             render_amount(
                 cur_y,
                 f"-{self.spend_amount}",
@@ -558,16 +558,16 @@ class PSBTMathScreen(ButtonListScreen):
                 info_text=f""" recipient{"s" if self.num_recipients > 1 else ""}""",
             )
 
-        cur_y += int(digits_height * 1.2)
+        cur_y += digits_height + GUIConstants.BODY_LINE_SPACING * ssf
         render_amount(
             cur_y,
             f"-{self.fee_amount}",
             info_text=f""" fee""",
         )
 
-        cur_y += int(digits_height * 1.2) + 4 * ssf
+        cur_y += digits_height + GUIConstants.BODY_LINE_SPACING * ssf
         draw.line((0, cur_y, image.width, cur_y), fill=GUIConstants.BODY_FONT_COLOR, width=1)
-        cur_y += 8 * ssf
+        cur_y += GUIConstants.BODY_LINE_SPACING * ssf
 
         render_amount(
             cur_y,