diff --git a/icu4j/main/core/src/main/java/com/ibm/icu/impl/units/ConversionRates.java b/icu4j/main/core/src/main/java/com/ibm/icu/impl/units/ConversionRates.java
index 3aa643d71568..d8aae8667125 100644
--- a/icu4j/main/core/src/main/java/com/ibm/icu/impl/units/ConversionRates.java
+++ b/icu4j/main/core/src/main/java/com/ibm/icu/impl/units/ConversionRates.java
@@ -57,6 +57,10 @@ public UnitsConverter.Factor getFactorToBase(MeasureUnitImpl measureUnit) {
             result = result.multiply(getFactorToBase(singleUnit));
         }
 
+        if (measureUnit.getConstantDenominator() != 0) {
+            result = result.divide(BigDecimal.valueOf(measureUnit.getConstantDenominator()));
+        }
+
         return result;
     }
 
diff --git a/icu4j/main/core/src/main/java/com/ibm/icu/impl/units/UnitsConverter.java b/icu4j/main/core/src/main/java/com/ibm/icu/impl/units/UnitsConverter.java
index fffb70b32fed..10e14d8a824a 100644
--- a/icu4j/main/core/src/main/java/com/ibm/icu/impl/units/UnitsConverter.java
+++ b/icu4j/main/core/src/main/java/com/ibm/icu/impl/units/UnitsConverter.java
@@ -546,6 +546,12 @@ public Factor multiply(Factor other) {
             return result;
         }
 
+        public Factor divide(BigDecimal value) {
+            Factor result = this.copy();
+            result.factorDen = this.factorDen.multiply(value);
+            return result;
+        }
+
         /**
          * Adds Entity with power or not. For example, {@code 12 ^ 3} or {@code 12}.
          *
diff --git a/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/impl/UnitsTest.java b/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/impl/UnitsTest.java
index cc4f9e024b0b..afc28b0dc06d 100644
--- a/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/impl/UnitsTest.java
+++ b/icu4j/main/core/src/test/java/com/ibm/icu/dev/test/impl/UnitsTest.java
@@ -507,6 +507,25 @@ class TestData {
                 new TestData("dot-per-centimeter", "pixel-per-centimeter", 1.0, 1.0),
                 new TestData("dot-per-inch", "pixel-per-inch", 1.0, 1.0),
                 new TestData("dot", "pixel", 1.0, 1.0),
+
+                // With constants
+                new TestData("meter-per-10", "foot", 1.0, 0.328084),
+                new TestData("meter", "foot-per-10", 1.0, 32.8084),
+                new TestData("meter", "foot-per-100", 1.0, 328.084),
+                new TestData("portion", "portion-per-1000", 1.0, 1000),
+                new TestData("portion", "portion-per-10000", 1.0, 10000),
+                new TestData("portion", "portion-per-100000", 1.0, 100000),
+                new TestData("portion", "portion-per-1000000", 1.0, 1000000),
+                new TestData("portion-per-10", "portion", 1.0, 0.1),
+                new TestData("portion-per-100", "portion", 1.0, 0.01),
+                new TestData("portion-per-1000", "portion", 1.0, 0.001),
+                new TestData("portion-per-10000", "portion", 1.0, 0.0001),
+                new TestData("portion-per-100000", "portion", 1.0, 0.00001),
+                new TestData("portion-per-1000000", "portion", 1.0, 0.000001),
+                new TestData("mile-per-hour", "meter-per-second", 1.0, 0.44704),
+                new TestData("mile-per-100-hour", "meter-per-100-second", 1.0, 0.44704),
+                new TestData("mile-per-hour", "meter-per-100-second", 1.0, 44.704),
+                new TestData("mile-per-100-hour", "meter-per-second", 1.0, 0.0044704),
         };
 
         ConversionRates conversionRates = new ConversionRates();