0.12 inch.
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3mm = 0.12inch.
3mm = 0.3 cm
To find the percentage of 1cm that is 3mm, we need to convert both measurements to the same unit. Since 1cm is equal to 10mm, we can say that 3mm is 3/10 or 0.3cm. To calculate the percentage, we divide 0.3cm by 1cm and multiply by 100 to get 30%. Therefore, 3mm is 30% of 1cm.
0.1181102362 in Direct Conversion Formula 3 mm* 1 in 25.4 mm = 0.1181102362 in
A 3mm bead is half the size od a 6mm bead, however in welding you have to also add in penetration. A 3mm bead with a penetration of 100% is equal in size to a 50% penetration 6mm bead. 1/2"*3mm=1.5mm; 1/4"*6mm =1.5mm