Metric Conversion
This page contains information useful to
perform units conversion between English (Imperial) and Metric (SI) units.
Metric Conversion Table:
| UNIT |
ENGLISH |
METRIC |
| Length |
1 inch |
25.4 mm |
0.0254 m |
| 1 foot |
304.8 mm |
0.3048 m |
| 1 yard |
914.4 mm |
0.9144 m |
| Area |
1 in2 |
645.2 mm2 |
6.452E-4 m2 |
| 1 ft2 |
92900 mm2 |
0.09290 m2 |
| 1 yd2 |
836100 mm2 |
0.8361 m2 |
| Volume |
1 in3 |
16390 mm3 |
1.639E-5 m3 |
| 1 ft3 |
28320000 mm3 |
0.02832 m3 |
| 1 yd3 |
764600000 mm3 |
0.7646 m3 |
| Moment of Inertia |
1 in4 |
416200 mm4 |
4.162E-7 m4 |
| 1 ft4 |
8631000000 mm4 |
0.008631 m4 |
| Weight/Force |
1 lb |
0.4536 kg |
4.448 N |
| 1 kip |
453.6 kg |
4.448 kN |
| 1 lb/in |
0.01786 kg/mm |
175.1 N/m |
| 1 lb/ft |
0.001488 kg/mm |
14.59 N/m |
| Pressure |
1 lb/in2 |
7.031 E-4 kg/mm2 |
6895 Pa |
| 1 lb/ft2 |
4.883E-6 kg/mm2 |
47.88 Pa |
| Density |
1 lb/in3 |
2.768E-5 kg/mm3 |
271400 N/m3 |
| 1 lb/ft3 |
1.602E-8 kg/mm3 |
157.1 N/m3 |
| 1 lb/yd3 |
5.933E-10 kg/mm3 |
5.818 N/m3 |
| Moment |
1 in-lb |
11.52 kg-mm |
0.1130 N-m |
| 1 ft-lb |
138.3 kg-mm |
1.356 N-m |
| 1 ft-kip |
138300 kg-mm |
1356 N-m |
| Gravity |
32.2 ft/s2 |
9.807 m/s2 |
|
Other resources:
- "Guide for the Use of the International System of Units (SI), Appendix
B - Conversion Factors", NIST Special Publication 811
- Metric Conversion Utility (Windows Program)
