diff --git a/less/variables.less b/less/variables.less
index ab0136d211..21f2837115 100644
--- a/less/variables.less
+++ b/less/variables.less
@@ -128,8 +128,8 @@
 @input-color-placeholder:        @gray-light;
 
 @input-height-base:              (@line-height-computed + (@padding-base-vertical * 2) + 2);
-@input-height-large:             (@line-height-computed + (@padding-large-vertical * 2) + 8);
-@input-height-small:             (@line-height-computed + (@padding-small-vertical * 2) + 2);
+@input-height-large:             (ceil(@font-size-large * @line-height-base) + (@padding-large-vertical * 2) + 2);
+@input-height-small:             (ceil(@font-size-small * @line-height-base) + (@padding-small-vertical * 2) + 2);
 
 
 // Dropdowns