diff --git a/web/core/src/jsMain/kotlin/androidx/compose/web/css/CSSUnits.kt b/web/core/src/jsMain/kotlin/androidx/compose/web/css/CSSUnits.kt
index cac09e808f..bafa87ee92 100644
--- a/web/core/src/jsMain/kotlin/androidx/compose/web/css/CSSUnits.kt
+++ b/web/core/src/jsMain/kotlin/androidx/compose/web/css/CSSUnits.kt
@@ -17,6 +17,9 @@ private data class CSSUnitValueTyped<out T : CSSUnit>(
 operator fun <T : CSSUnit> CSSSizeValue<T>.times(num: Number): CSSSizeValue<T> = newUnit(value * num.toFloat())
 operator fun <T : CSSUnit> Number.times(unit: CSSSizeValue<T>): CSSSizeValue<T> = unit.newUnit(unit.value * toFloat())
 
+operator fun <T : CSSUnit> CSSSizeValue<T>.div(num: Number): CSSSizeValue<T> = newUnit(value / num.toFloat())
+
+
 typealias CSSUnitValue = CSSSizeValue<CSSUnit>
 typealias CSSpxValue = CSSSizeValue<CSSUnit.px>
 
diff --git a/web/core/src/jsTest/kotlin/CSSUnitApiTests.kt b/web/core/src/jsTest/kotlin/CSSUnitApiTests.kt
index b186421e6d..b901a6e22c 100644
--- a/web/core/src/jsTest/kotlin/CSSUnitApiTests.kt
+++ b/web/core/src/jsTest/kotlin/CSSUnitApiTests.kt
@@ -9,6 +9,7 @@ import org.jetbrains.compose.web.css.ch
 import org.jetbrains.compose.web.css.cm
 import org.jetbrains.compose.web.css.cssRem
 import org.jetbrains.compose.web.css.deg
+import org.jetbrains.compose.web.css.div
 import org.jetbrains.compose.web.css.dpcm
 import org.jetbrains.compose.web.css.dpi
 import org.jetbrains.compose.web.css.dppx
@@ -150,6 +151,42 @@ class CSSUnitApiTests {
         assertEquals(16.fr, 4.fr * 4)
     }
 
+    @Test
+    fun arithmeticDivisionLeft() {
+        assertEquals(1.percent, 4.percent / 4)
+
+        assertEquals(1.em, 4.em / 4)
+        assertEquals(1.ch, 4.ch / 4)
+
+        assertEquals(1.cssRem, 4.cssRem / 4)
+
+        assertEquals(1.vw, 4.vw / 4)
+        assertEquals(1.vh, 4.vh / 4)
+
+        assertEquals(1.vmin, 4.vmin / 4)
+        assertEquals(1.vmax, 4.vmax / 4)
+        assertEquals(1.cm, 4.cm / 4)
+        assertEquals(1.mm, 4.mm / 4)
+
+        assertEquals(1.pt, 4.pt / 4)
+        assertEquals(1.pc, 4.pc / 4)
+        assertEquals(1.px, 4.px / 4)
+
+        assertEquals(1.deg, 4.deg / 4)
+        assertEquals(1.grad, 4.grad / 4)
+        assertEquals(1.rad, 4.rad / 4)
+        assertEquals(1.turn, 4.turn / 4)
+
+        assertEquals(1.s, 4.s / 4)
+        assertEquals(1.ms, 4.ms / 4)
+
+        assertEquals(1.dpi, 4.dpi / 4)
+        assertEquals(1.dpcm, 4.dpcm / 4)
+        assertEquals(1.dppx, 4.dppx / 4)
+
+        assertEquals(1.fr, 4.fr / 4)
+    }
+
     @Test
     fun arithmeticMultiplicationRight() {
         assertEquals(12.percent, 3 * 4.percent)