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Conversion Table Factors
| Weights of Steel |
| Units of Volume to Weight |
Multiply By |
| Cubic centimeters to kilograms (Kg) |
0.00784 |
| Cubic meters to tons |
7.8417 |
| Cubic inches to pounds (lb) |
0.2833 |
| Cubic feet to pounds (LB) |
490.0 |
| Cubic feet to tons |
0.21875 |
| Cubic feet to U.S. short tons |
0.245 |
| Formula |
| Round bar, kg per lineal meter |
(diameter in mm) 2 x 0.00616 |
| Hexagon bar, kg per lineal meter |
(across flats in mm) 2 x 0.00680 |
| Square bar, kg per lineal meter |
(across flats in mm) 2 x 0.00784 |
| Round bar, lbs per lineal foot |
(diameter in inches) 2 x 2.670 |
| Hexagon bar, lbs per lineal foot |
(across flats in inches) 2 x 2.944 |
| Square bar, lbs per lineal foot |
(across flats in inches) 2 x 3.400 |
| Temperature Conversion |
| Centigrade (C) to Fahrenheit (F) |
(C x 9/5 )+ 32 |
| Fahrenheit (F) to Centigrade (C) |
5/9 (F – 32) |
| Comparison of Surface Finishes |
| Roughness Grade No. |
N1 |
N2 |
N3 |
N4 |
N5 |
N6 |
N7 |
N8 |
N9 |
N10 |
N11 |
| Ra (micro-meters) |
0.025 |
0.050 |
0.1 |
0.2 |
0.4 |
0.8 |
1.6 |
3.2 |
6.3 |
12.5 |
20.0 |
| CLA (micro-inches) |
1 |
2 |
4 |
8 |
16 |
32 |
63 |
125 |
250 |
500 |
1000 |
Note: Where tons are referred to, these are Imperial U.K. tons, equal to 2240 lbs. US Short tons are equal to 2000 lbs. A ton is equal to 1000 kilograms. Some of the conversion figures given have been rounded and should therefore be used as a guideline only.
| Units of Length |
Multiply by |
| Millimeters to inches |
0.03937 |
| Inches to millimeters |
25.4 |
| Centimeters to inches |
0.3937 |
| Inches to centimeters |
2.54 |
| meters to feet |
3.2808 |
| Feet to meters |
0.3048 |
|
|
| Units of Area |
Multiply by |
| Square millimeters to square inches |
0.00155 |
| Square inches to square millimeters |
645.160 |
| Square centimeters to square inches |
0.1550 |
| Square inches to square centimeters |
6.4516 |
| Square meters to square feet |
10.7636 |
| Square feet to square meters |
0.0929 |
|
| Units of Weight |
Multiply by |
| Grams to pounds (LB |
.002205 |
| Pounds (LB) to grams |
453.5 |
| Kilograms to pounds (LB) |
2.205 |
| Pounds (LB) to kilograms |
0.4535 |
| Kilograms to tons |
0.0009842 |
| Tons to kilograms |
1016.05 |
| Kilograms to US short tons |
0.0011023 |
| US short tons to kilograms |
907.185 |
|
|
|
| Units of Force and Pressure |
Multiply by |
| Newtons (N) to kilograms force (Kg.f.) |
0.10197 |
| Kilograms force (Kg.f.) to Newtons (N) |
9.80661 |
| Newtons (N) to pounds force (lb.f.) |
0.225 |
| Pounds force (lb.f.) To Newtons (N) |
4.448 |
| Kilogram meters (kg.f.m.) To pounds feet (lb.f.ft.) |
7.233 |
| Pounds feet (lb.f.ft.) To kilogram meters (kg.f.m.) |
0.138 |
| Newton meters (N.m.) To pound inches (lb.f.in.) |
8.851 |
| Pound inches (lb.f.in.) To Newton meters (N.m) |
0.113 |
| Newton meters (N.m.) To pounds feet (lb.f.ft.) |
0.738 |
| Pounds feet (lb.f.ft.) To Newton meters (N.m.) |
1.356 |
| Newtons per sq. mm (N/mm2) to pounds per sq. inch (LB/in2) |
145.03 |
| Pounds per sq. inch (LB/in2) to Newtons per sq. mm (N/mm2) |
0.006895 |
| Newtons per sq. mm (N/mm2) to tons per sq. inch (Ton.f/in2) |
0.06475 |
| Tons per sq. inch (Ton.f/in2) to Newtons per sq. mm (N/mm2) |
15.444 |
| Newtons per sq. mm (N/mm2) to US short tons per sq. inch (Ton.f/in2) |
0.07252 |
| US short tons per sq. inch (Ton.f/in2) to Newtons per sq. mm (N/mm2) |
13.789 |
| Kilograms per sq. mm (Kg/mm2) to pounds per sq. inch (LB/in2) |
1422.335 |
| Pounds per sq. inch (LB/in2) to kilograms per sq. mm (kg/mm2) |
0.000703 |
| Kilograms per sq. mm (Kg/mm2) to tons per sq. inch (Ton/in2) |
0.6350 |
| Tons per sq. inch (Ton/in2) to kilograms per sq. mm (kg/mm2) |
1.5748 |
| Kilograms per sq. mm (Kg/mm2) to US short tons per sq. inch (Ton/in2) |
0.7112 |
| US short tons per sq. inch (Ton/in2) to kilograms per sq. mm (kg/mm2) |
1.406 |
