Reloading Ammo

[ONEBGG]

Weapon Measurement Conversion Chart

Compiled by David R. Haugh
Oregon, USA

Examples:

* A 6.35mm Italian carbine of WWII would equal a .25 caliber weapon.

* An American 8 inch caliber howitzer would equal 203.19mm.

Metric Measurement 	English/US Inch Measurement 
 5.40 mm 	        .213 
 5.50 mm 	        .217 
 5.56 mm 	        .225 
 6.00 mm 	        .236 
 6.35 mm 	        .250 
 6.55 mm 	        .258 
 7.00 mm 	        .276 
 7.62 mm 	        .300 
 7.65 mm 	        .301 
 7.70 mm 	        .303 
 7.92 mm 	        .312 
 8.00 mm 	        .315 
 8.40 mm 	        .331 
 9.00 mm 	        .354 
 9.50 mm 	        .374 
 Metric Measurement 	English/US Inch Measurement 
 10.00 mm 	        .394 
 10.50 mm 	        .412 
 10.60 mm 	        .417 
 11.00 mm 	        .433 
 12.00 mm 	        .472 
 12.50 mm 	        .492 
 12.70 mm 	        .500 
 13.00 mm 	        .512 
 13.40 mm 	        .528 
 14.40 mm 	        .567 
 14.80 mm 	        .583 
 15.25 mm 	        .600 
 15.40 mm 	        .606 
 16.40 mm 	        .646 
 17.40 mm 	        .685 
 Metric Measurement 	English/US Inch Measurement 
 18.40 mm 	        .724 
 20.00 mm 	        .803 
 21.40 mm 	        .843 
 23.40 mm 	        .921 
 25.00 mm 	        .984 
 37.00 mm 	        1.457 
 47.00 mm 	        1.850 
 57.00 mm 	        2.244 
 60.00 mm 	        2.362 
 65.00 mm 	        2.559 
 75.00 mm 	        2.953 
 76.00 mm 	        2.992 
 76.19 mm 	        3.000 
 77.00 mm 	        3.031 
 81.00 mm 	        3.189 
 Metric Measurement 	English/US Inch Measurement 
 83.81 mm 	        3.300 
 88.00 mm 	        3.465 
 90.00 mm 	        3.543 
 93.97 mm 	        3.700 
 100.00 mm 	        3.937 
 105.00 mm 	        4.134 
 106.67 mm 	        4.200 
 114.29 mm 	        4.500 
 120.00 mm 	        4.724 
 126.99 mm 	        5.000 
 150.00 mm 	        5.906 
 152.39 mm 	        6.000 
 155.00 mm 	        6.102 
 180.00 mm 	        7.087 
 203.19 mm 	        8.000 
 Metric Measurement 	English/US Inch Measurement 
 210.00 mm 	        8.268 
 220.00 mm 	        8.661 
 233.67 mm 	        9.200 
 240.00 mm 	        9.449 
 320.00 mm 	        12.598 
 420.00 mm 	        16.535

http://www.warwheels.net/CaliberConversionChartHAUGH.html

... Gary

Also posted on the GUNS board.