Note:

• Circum = Circumference
• MM = Millimeters

Size	Diameter in Inches	Diameter in MM	Circum in Inches	Circum in MM
2/2	2.125	54	6.67	169.4
2/4	2.25	57.2	7.06	179.6
2/6	2.375	60.3	7.46	189.5
2/8	2.5	63.5	7.85	199.4
2/10	2.625	66.7	8.24	209.3
2/12	2.75	69.9	8.64	219.5
2/14	2.875	73	9.03	229.4