Conversion Chart Inch / mm

Inch Fractional	Inch Decimal	mm Metric
1/64″	0,016″	0,397 mm
1/32″	0,031″	0,794 mm
1/16″	0,063″	1,587 mm
1/8″	0,125″	3,175 mm
1/4″	0,250	6,350 mm
3/8″	0,375″	9,525 mm
1/2″	0,500″	12,700 mm
5/8″	0,625″	15,875 mm
3/4″	0,750	19,050 mm
7/8″	0,875″	22,225 mm
1″	1″	25,400 mm
1 1/4″	1,250″	31,750 mm
1 1/2″	1,500″	38,100 mm
1 3/4″	1,750″	44,450 mm
2″	2″	50,800 mm
2 1/4″	2,250″	57,150 mm
2 1/2″	2,500″	63,500 mm
2 3/4″	2,750″	69,850 mm
3″	3″	76,200 mm
3 1/4″	3,250″	82,550 mm
3 1/2″	3,500″	88,900 mm
3 3/4″	3,750″	95,250 mm
4″	4″	101,60 mm
4 1/4″	4,250″	107,95 mm
4 1/2″	4,500″	114,30 mm
4 3/4″	4,750″	120,65 mm
5″	5″	127,00 mm
6″	6″	152,40 mm
7″	7″	177,80 mm
8″	8″	203,20 mm
9″	9″	228,60 mm
10″	10″	254,00 mm