Appendix G: Metric Conversion Table
| English to Metric |
| inches (in) |
X |
25.4 |
= |
millimetres (mm) |
| feet (ft) |
X |
0.3 |
= |
metres (m) |
| yards (yds) |
X |
0.9 |
= |
metres (m) |
| miles (mi) |
X |
1.6 |
= |
kilometres (km) |
| sq inch (in2) |
X |
6.5 |
= |
sq centimetre (cm2) |
| sq feet (ft2) |
X |
0.09 |
= |
sq metres (m2) |
| sq yard (yd2) |
X |
0.8 |
= |
sq metres (m2) |
| cu. in (in3) |
X |
16 |
= |
cu.centimetres |
| cu. ft (ft3) |
X |
0.03 |
= |
cu.metres (m3) |
| cu. yd (yd3) |
X |
0.8 |
= |
cu.metres (m3) |
| (liq) quart (qt) |
X |
0.9 |
= |
litre(l) |
| gallon (gal) |
X |
0.004 |
= |
cu.metres (m3) |
| (advp) ounce (oz) |
X |
28.3 |
= |
grams (g) |
| (advp) pound (lb) |
X |
0.45 |
= |
kilogram (kg) |
| horsepower (hp) |
X |
0.75 |
= |
kilowatt (kW) |
| ft per second (ft/s) |
X |
0.304 |
= |
met. Per second (m/s) |
| ounce-force (ozf) |
X |
0.278 |
= |
newtons (N) |
| pound-force(lbf) |
X |
4.448 |
= |
newtons (N) |
| foot pounds (ft.lb) |
X |
1.355 |
= |
newtons-metres(N.m) |
| foot pounds (fl.lb) |
X |
1.355 |
= |
joules (j) |
| in.pounds (in.lb) |
X |
0.112 |
= |
newtons-metres (N.m) |
| lb per foot (lb/ft) |
X |
14.59 |
= |
newtons-metres (N.m) |
| cycles per second (cps) |
X |
1 |
= |
hertz (Hz) |
| Brit therm unit (Btu) |
X |
1055 |
= |
joules (j) |
| Metric to English |
| mm |
X |
0.04 |
= |
ins |
| m |
X |
3.3 |
= |
ft |
| m |
X |
1.1 |
= |
yds |
| km |
X |
0.6 |
= |
mi |
| cm2 |
X |
0.16 |
= |
in2 |
| m2 |
X |
11 |
= |
ft2 |
| m2 |
X |
1.2 |
= |
yd2 |
| cm3 |
X |
0.06 |
= |
in3 |
| m3 |
X |
35 |
= |
ft3 |
| m3 |
X |
1.3 |
= |
yd3 |
| l |
X |
1.05 |
= |
qt |
| m3 |
X |
264.2 |
= |
gal |
| g |
X |
0.035 |
= |
oz |
| kW |
X |
1.34 |
= |
hp |
| kg |
X |
2.2 |
= |
lb |
| m/s |
X |
3.28 |
= |
ft/s |
| N |
X |
3.597 |
= |
ozf |
| N |
X |
0.224 |
= |
lbf |
| N.m |
X |
0.737 |
= |
ft.lb |
| j |
X |
0.737 |
= |
ft.lb |
| N.m |
X |
8.85 |
= |
in.lb |
| N.m |
X |
0.068 |
= |
lb/ft |
| Hz |
X |
1 |
= |
cps |
| j |
X |
0.0009 |
= |
Btu |
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