General Data > Angle, area, volume and length units and equivalents
Angle
Unit Name |
Symbol |
SI Equivalent |
arc minute (minute of arc) |
|
' |
2.90888x10-4 rad |
arc second (second of arc) |
|
" |
4.84814x10-6 rad |
|
|
6.28319 rad |
|
° |
1.74533x10-2 rad |
|
gr |
1.5708x10-2 rad |
|
gr |
1.5708x10-2 rad |
|
|
0.261799 rad |
|
mrad |
1x10-3 rad |
|
% |
9.99967x10-3 rad |
|
|
1.5708 rad |
|
rad |
1 rad |
|
rev |
6.28319 rad |
|
|
0.523599 rad |
Solid Angle
Unit Name |
Symbol |
SI Equivalent |
|
sp |
12.5664 sr |
|
sq ' |
8.46159x10-8 sr |
|
sq " |
2.35044x10-11 sr |
|
sq ° |
3.04614x10-4 sr |
|
sr |
1 sr |
Area
Unit Name |
Symbol |
SI Equivalent |
|
ac, acre |
4046.86 m2 |
|
a |
100 m2 |
|
b |
1x10-28 m2 |
barrel (US, liq.) per foot |
|
bbl (US, liq.)/ft |
0.391209 m2 |
barrel (US, liq.) per inch |
|
bbl (US, liq.)/in |
4.69451 m2 |
barrel (US, petrol) per foot |
|
bbl (US, petrol)/ft |
0.521612 m2 |
barrel (US, petrol) per inch |
|
bbl (US, petrol)/in |
6.25934 m2 |
|
|
1 m2 |
|
cin |
5.06707x10-4 m2 |
|
cmil |
5.06707x10-10 m2 |
|
ha |
1x104 m2 |
|
|
8244.35 m2 |
|
|
2532.24 m2 |
|
|
8565.3 m2 |
|
|
6.47497x105 m2 |
|
|
1011.71 m2 |
section (square statute mile) |
|
sq.mi, mi2 (stat.) |
2.58999x106 m2 |
|
|
1x10-52 m2 |
|
cm2 |
1x10-4 m2 |
square chain (engineer's) |
|
sq. ch. (engineer's) |
929.03 m2 |
|
sq. ch. (Gunter's) |
404.686 m2 |
|
dam2 |
100 m2 |
|
dm2 |
1x10-2 m2 |
|
Em2 |
1x1036 m2 |
|
fm2 |
1x10-30 m2 |
|
f2 |
1x10-30 m2 |
|
ft2 |
9.2903x10-2 m2 |
|
Gm2 |
1x1018 m2 |
|
hm2 |
1x104 m2 |
|
in2, sq. in |
6.4516x10-4 m2 |
Volume
Unit Name |
Symbol |
SI Equivalent |
|
acre-ft |
1233.48 m3 |
|
|
0.109106 m3 |
|
bbl (US, cranb.) |
9.5471x10-2 m3 |
|
bbl (US, liq.) |
0.11924 m3 |
|
bbl (US, petrol) |
0.158987 m3 |
|
fbm, B.M. |
2.35974x10-3 m3 |
|
|
7.57682x10-4 m3 |
|
bk (UK) |
1.81844x10-2 m3 |
|
bu (UK) |
3.63687x10-2 m3 |
|
bu (US, dry) |
3.52391x10-2 m3 |
|
bt (UK) |
0.490978 m3 |
|
cl, cL |
1x10-5 m3 |
|
chal (UK) |
1.30927 m3 |
|
cran |
0.170478 m3 |
|
am3 |
1x10-54 m3 |
|
cm3 |
1x10-6 m3 |
cubic centimeter (Mohr cubic centimeter) |
|
cc |
1.00238x10-6 m3 |
|
dam3 |
1000 m3 |
|
dm3 |
1x10-3 m3 |
|
Em3 |
1x1054 m3 |
|
fm3 |
1x10-45 m3 |
|
ft 3 |
2.83168x10-2 m3 |
|
Gm3 |
1x1027 m3 |
|
hm3 |
1x106 m3 |
|
in 3 |
1.63871x10-5 m3 |
|
km3 |
1x109 m3 |
|
Mm3 |
1x1018 m3 |
|
m3 |
1 m3 |
|
µm3 |
1x10-18 m3 |
|
mm3 |
1x10-9 m3 |
Length
Unit Name |
Symbol |
SI Equivalent |
|
a.u., a 0, b |
5.29177x10-11 m |
|
Å |
1x10-10 m |
|
arcmin |
2.90888x10-4 m |
|
AU, UA |
1.49598x1011 m |
|
am |
1x10-18 m |
|
|
8.46667x10-3 m |
|
a 0 , b |
5.29177x10-11 m |
|
|
36.576 m |
|
line (UK) |
2.11667x10-3 m |
|
line (US) |
6.35x10-4 m |
|
|
185.2 m |
|
|
185.318 m |
|
|
219.456 m |
|
caliber, cin |
2.54x10-4 m |
|
cm |
1x10-2 m |
|
ch |
30.48 m |
|
ch |
20.1168 m |
|
ch |
30.48 m |
|
ch |
20.1168 m |
|
|
0.4572 m |
|
dam |
10 m |
|
dm |
0.1 m |
electron classical radius |
|
r e |
2.81794x10-15 m |
|
|
1.143 m |
|
|
4.2175x10-3 m |
|
Em |
1x1018 m |
|
fath |
1.8288 m |
|
fm |
1x10-15 m |
|
F, f |
1x10-15 m |
|
a 0, b , a.u. |
5.29177x10-11 m |