From 34c1caeb39dfbf958fb8ec1a123812c408703fc2 Mon Sep 17 00:00:00 2001
From: Andrew Moskevitz <49752377+Applesauce314@users.noreply.github.com>
Date: Tue, 21 Apr 2026 14:11:40 -0400
Subject: [PATCH 1/2] add handling for FeetInches output where rounding makes
 inches =12

---
 UnitsNet/CustomCode/Quantities/Length.extra.cs | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/UnitsNet/CustomCode/Quantities/Length.extra.cs b/UnitsNet/CustomCode/Quantities/Length.extra.cs
index 138d9e9f7f..54a3df7286 100644
--- a/UnitsNet/CustomCode/Quantities/Length.extra.cs
+++ b/UnitsNet/CustomCode/Quantities/Length.extra.cs
@@ -161,7 +161,17 @@ public string ToString(IFormatProvider? cultureInfo)
 
             // Note that it isn't customary to use fractions - one wouldn't say "I am 5 feet and 4.5 inches".
             // So inches are rounded when converting from base units to feet/inches.
-            return string.Format(cultureInfo, "{0:n0} {1} {2:n0} {3}", Feet, footUnit, Math.Round(Inches), inchUnit);
+            // When we do this we check if we rounded inches to 12(InchesInOneFoot).
+            // If it does feet/inches are fixed something like 4 ft 0 in is displayed instead of 3ft 12 in for things very close to 4 e.g. 3.9999 ft 
+            var feet = Feet;
+            var inches = Math.Round(Inches);
+            if(inches == InchesInOneFoot)
+            {
+                feet++;
+                inches = 0;
+            }
+            
+            return string.Format(cultureInfo, "{0:n0} {1} {2:n0} {3}", feet, footUnit, inches, inchUnit);
         }
 
         /// <summary>

From 7dbf55c82b55afbdb9e28aee5826142fd6a42f42 Mon Sep 17 00:00:00 2001
From: Andrew Moskevitz <49752377+Applesauce314@users.noreply.github.com>
Date: Tue, 21 Apr 2026 14:31:16 -0400
Subject: [PATCH 2/2] update ToArchitecturalString to not output 12 in the
 inches position

---
 UnitsNet/CustomCode/Quantities/Length.extra.cs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/UnitsNet/CustomCode/Quantities/Length.extra.cs b/UnitsNet/CustomCode/Quantities/Length.extra.cs
index 54a3df7286..d2a05b0fac 100644
--- a/UnitsNet/CustomCode/Quantities/Length.extra.cs
+++ b/UnitsNet/CustomCode/Quantities/Length.extra.cs
@@ -200,6 +200,7 @@ public string ToArchitecturalString(int fractionDenominator)
                 throw new ArgumentOutOfRangeException(nameof(fractionDenominator), "Denominator for fractional inch must be greater than zero.");
             }
 
+            var feet = Feet;
             var inchTrunc = (int)Math.Truncate(Inches);
             var numerator = (int)Math.Round((Inches - inchTrunc) * fractionDenominator);
 
@@ -209,6 +210,12 @@ public string ToArchitecturalString(int fractionDenominator)
                 numerator = 0;
             }
 
+            if (inchTrunc == InchesInOneFoot)
+            {
+                feet++;
+                inchTrunc = 0;
+            }
+
             var inchPart = new System.Text.StringBuilder();
 
             if (inchTrunc != 0 || numerator == 0)
@@ -248,7 +255,7 @@ int GreatestCommonDivisor(int a, int b)
                 return inchPart.ToString();
             }
 
-            return $"{Feet}' - {inchPart}";
+            return $"{feet}' - {inchPart}";
         }
     }
 }