Here you'll find updated browser support information.

Unit
ch	9+	Not yet	Not yet	Not yet	Not yet	Not yet	Not yet	Not yet	Not yet
deg	9+	3.6+	2+	4+	Not yet	4.0+	3.1+	7.5+	10.0+
dpcm	10+	3.5+	18+	5.1+	9.5+	4.0+	3.1+	7.5+	10.0+
dpi	10+	3.5+	18+	5.1+	9.5+	4.0+	3.1+	7.5+	10.0+
grad	9+	3.6+	2+	4+	12+	4.0+	3.1+	7.5+	10.0+
Hz	Not yet	Not yet	Not yet	Not yet	Not yet	Not yett	Not yet	Not yet	Not yet
kHz	Not yet	Not yet	Not yet	Not yet	Not yet	Not yet	Not yet	Not yet	Not yet
ms	9+	4+	11+	3.2+	10+	4.0+	3.1+	7.5+	10.0+
rad	9+	3.6+	2+	4+	12+	4.0+	3.1+	7.5+	10.0+
rem	9+	3.6+	4+	5.1+	11+	4.1+	3.1+	7.5+	10.0+
s	+9	4+	11+	3.2+	10+	4.0+	3.1+	7.5+	10.0+
turn	9+	Not yet	Not yet	Not yet	Not yet	Not yet	Not yet	7.5+	Not yet
vm	9+	Not yet	Not yet	Not yet	Not yet	Not yet	Not yet	7.5+	Not yet
vh	9+	19+	Not yet	Not yet	Not yet	Not yet	Not yet	7.5+	Not yet