diff --git a/packages/@adobe/spectrum-css-temp/components/checkbox/index.css b/packages/@adobe/spectrum-css-temp/components/checkbox/index.css
index 8270c5a6920..bca5783e752 100644
--- a/packages/@adobe/spectrum-css-temp/components/checkbox/index.css
+++ b/packages/@adobe/spectrum-css-temp/components/checkbox/index.css
@@ -25,6 +25,7 @@ governing permissions and limitations under the License.
 
 .spectrum-Checkbox {
   display: inline-flex;
+  box-sizing: border-box;
   align-items: flex-start;
 
   position: relative;
@@ -32,7 +33,7 @@ governing permissions and limitations under the License.
   min-block-size: var(--spectrum-checkbox-height);
   max-inline-size: 100%;
 
-  margin-inline-end: calc(var(--spectrum-checkbox-cursor-hit-x) * 2);
+  padding-inline-end: calc(var(--spectrum-checkbox-cursor-hit-x) * 2);
 
   vertical-align: top;
 }
@@ -59,7 +60,7 @@ governing permissions and limitations under the License.
   position: absolute;
   inset-block-start: 0;
   inset-inline-start: calc(var(--spectrum-checkbox-cursor-hit-x) * -1);
-  inline-size: calc(100% + var(--spectrum-checkbox-cursor-hit-x) * 2);
+  inline-size: calc(100% + var(--spectrum-checkbox-cursor-hit-x));
   block-size: 100%;
 
   opacity: .0001;