diff --git a/shared/src/main/scala/squants/space/Length.scala b/shared/src/main/scala/squants/space/Length.scala
index c93d4306..1562dace 100644
--- a/shared/src/main/scala/squants/space/Length.scala
+++ b/shared/src/main/scala/squants/space/Length.scala
@@ -72,6 +72,8 @@ final class Length private (val value: Double, val unit: LengthUnit)
   def toDecameters = to(Decameters)
   def toHectometers = to(Hectometers)
   def toKilometers = to(Kilometers)
+  def toKiloyards = to(Kiloyards)
+  def toKilofeet = to(Kilofeet)
   def toInches = to(Inches)
   def toFeet = to(Feet)
   def toYards = to(Yards)
@@ -107,7 +109,7 @@ object Length extends Dimension[Length] with BaseDimension {
   def primaryUnit = Meters
   def siUnit = Meters
   def units = Set(Angstroms, Nanometers, Microns, Millimeters, Centimeters,
-    Decimeters, Meters, Decameters, Hectometers, Kilometers,
+    Decimeters, Meters, Decameters, Hectometers, Kilometers, Kiloyards, Kilofeet,
     Inches, Feet, Yards, UsMiles, InternationalMiles, NauticalMiles,
     AstronomicalUnits, LightYears, Parsecs, KiloParsecs, MegaParsecs, GigaParsecs, SolarRadii, NominalSolarRadii,
     ElectronVoltLength, MilliElectronVoltLength, KiloElectronVoltLength, MegaElectronVoltLength,
@@ -173,6 +175,16 @@ object Kilometers extends LengthUnit with SiUnit {
   val conversionFactor = MetricSystem.Kilo
 }
 
+object Kiloyards extends LengthUnit with SiUnit {
+  val symbol = "kyd"
+  val conversionFactor = Yards.conversionFactor * MetricSystem.Kilo
+}
+
+object Kilofeet extends LengthUnit with SiUnit {
+  val symbol = "kft"
+  val conversionFactor = Kiloyards.conversionFactor / 3
+}
+
 object Inches extends LengthUnit {
   val conversionFactor = Feet.conversionFactor / 12d
   val symbol = "in"
@@ -304,6 +316,8 @@ object LengthConversions {
   lazy val hectometre = Hectometers(1)
   lazy val kilometer = Kilometers(1)
   lazy val kilometre = Kilometers(1)
+  lazy val kiloyard = Kiloyards(1)
+  lazy val kilofoot = Kilofeet(1)
   lazy val inch = Inches(1)
   lazy val foot = Feet(1)
   lazy val yard = Yards(1)
@@ -351,6 +365,10 @@ object LengthConversions {
     def km = Kilometers(n)
     def kilometers = Kilometers(n)
     def kilometres = Kilometers(n)
+    def kyd = Kiloyards(n)
+    def kiloyards = Kiloyards(n)
+    def kft = Kilofeet(n)
+    def kilofeet = Kilofeet(n)
     def inches = Inches(n)
     def ft = Feet(n)
     def feet = Feet(n)
diff --git a/shared/src/test/scala/squants/space/LengthSpec.scala b/shared/src/test/scala/squants/space/LengthSpec.scala
index 04289bef..f1e9f6d2 100644
--- a/shared/src/test/scala/squants/space/LengthSpec.scala
+++ b/shared/src/test/scala/squants/space/LengthSpec.scala
@@ -37,6 +37,8 @@ class LengthSpec extends AnyFlatSpec with Matchers {
     Decameters(1).toDecameters should be(1)
     Hectometers(1).toHectometers should be(1)
     Kilometers(1).toKilometers should be(1)
+    Kiloyards(1).toKiloyards should be(1)
+    Kilofeet(1).toKilofeet should be(1)
 
     Inches(1).toInches should be(1)
     Feet(1).toFeet should be(1)
@@ -74,6 +76,8 @@ class LengthSpec extends AnyFlatSpec with Matchers {
     Length("10.33 dam").get should be(Decameters(10.33))
     Length("10.33 hm").get should be(Hectometers(10.33))
     Length("10.33 km").get should be(Kilometers(10.33))
+    Length("10.33 kyd").get should be(Kiloyards(10.33))
+    Length("10.33 kft").get should be(Kilofeet(10.33))
     Length("10.33 in").get should be(Inches(10.33))
     Length("10.33 ft").get should be(Feet(10.33))
     Length("10.33 yd").get should be(Yards(10.33))
@@ -112,6 +116,8 @@ class LengthSpec extends AnyFlatSpec with Matchers {
     x.toDecameters should be(1 / MetricSystem.Deca)
     x.toHectometers should be(1 / MetricSystem.Hecto)
     x.toKilometers should be(1 / MetricSystem.Kilo)
+    x.toKiloyards should be(1 / (Yards.conversionFactor * MetricSystem.Kilo))
+    x.toKilofeet should be(1 / ((Yards.conversionFactor / 3) * MetricSystem.Kilo))
 
     val metersPerFoot = 0.3048006096
     x.toInches should be(1 / (metersPerFoot / 12))
@@ -150,6 +156,8 @@ class LengthSpec extends AnyFlatSpec with Matchers {
     Decameters(1).toString(Decameters) should be("1.0 dam")
     Hectometers(1).toString(Hectometers) should be("1.0 hm")
     Kilometers(1).toString(Kilometers) should be("1.0 km")
+    Kiloyards(1).toString(Kiloyards) should be ("1.0 kyd")
+    Kilofeet(1).toString(Kilofeet) should be ("1.0 kft")
 
     Inches(1).toString(Inches) should be("1.0 in")
     Feet(1).toString(Feet) should be("1.0 ft")
@@ -237,6 +245,8 @@ class LengthSpec extends AnyFlatSpec with Matchers {
     hectometre should be(Hectometers(1))
     kilometer should be(Kilometers(1))
     kilometre should be(Kilometers(1))
+    kiloyard should be (Kiloyards(1))
+    kilofoot should be (Kilofeet(1))
     inch should be(Inches(1))
     foot should be(Feet(1))
     yard should be(Yards(1))
@@ -285,6 +295,10 @@ class LengthSpec extends AnyFlatSpec with Matchers {
     d.km should be(Kilometers(d))
     d.kilometers should be(Kilometers(d))
     d.kilometres should be(Kilometers(d))
+    d.kyd should be (Kiloyards(d))
+    d.kiloyards should be (Kiloyards(d))
+    d.kft should be (Kilofeet(d))
+    d.kilofeet should be (Kilofeet(d))
     d.inches should be(Inches(d))
     d.ft should be(Feet(d))
     d.feet should be(Feet(d))
@@ -325,6 +339,8 @@ class LengthSpec extends AnyFlatSpec with Matchers {
     "10.33 dam".toLength.get should be(Decameters(10.33))
     "10.33 hm".toLength.get should be(Hectometers(10.33))
     "10.33 km".toLength.get should be(Kilometers(10.33))
+    "10.33 kyd".toLength.get should be(Kiloyards(10.33))
+    "10.33 kft".toLength.get should be(Kilofeet(10.33))
     "10.33 in".toLength.get should be(Inches(10.33))
     "10.33 ft".toLength.get should be(Feet(10.33))
     "10.33 yd".toLength.get should be(Yards(10.33))