7
1.2 MEASUREMENT CONVERSIONS
Length
Unit
cm
m
km
in
ft
yd
mile
cm
1
0.01
0.00001
0.3937
0.03281
0.01094 0.000006
m
100
1
0.001
39.37
3.2808
1.0936
0.00062
km
100000
1000
1
39370.7
3280.8
1093.6
0.62137
in
2.54
0.0254
0.000025
1
0.08333
0.02777 0.000015
ft
30.48
0.3048
0.000304
12
1
0.3333
0.000189
yd
91.44
0.9144
0.000914
36
3
1
0.000568
mile
160930
1609.3
1.6093
63360
5280
1760
1
1mm=0.1cm, 1
µ
m=0.001mm
Area
Unit
cm
2
m
2
km
2
a
ft
2
yd
2
in
2
cm
2
1
0.0001
–
0.000001 0.001076 0.000012 0.155000
m
2
10000
1
0.000001
0.01
10.764
1.1958
1550.000
km
2
–
1000000
1
10000
1076400
1195800
–
a
0.01
100
0.0001
1
1076.4
119.58
–
ft
2
–
0.092903
–
0.000929
1
0.1111
144.000
yd
2
–
0.83613
–
0.008361
9
1
1296.00
in
2
6.4516
0.000645
–
–
0.006943 0.000771
1
1ha=100a, 1mile
2
=259ha=2.59km
2
Volume
Unit
cm
3
= cc
m
3
l
in
3
ft
3
yd
3
cm
3
= m
l
1
0.000001
0.001
0.061024
0.000035
0.000001
m
3
1000000
1
1000
61024
35.315
1.30796
l
1000
0.001
1
61.024
0.035315
0.001308
in
3
16.387
0.000016
0.01638
1
0.000578
0.000021
ft
3
28316.8
0.028317
28.317
1728
1
0.03704
yd
3
764529.8
0.76453
764.53
46656
27
1
1gal(US)=3785.41 cm
3
=231 in
3
=0.83267gal(US)
Weight
Unit
g
kg
t
oz
lb
g
1
0.001
0.000001
0.03527
0.0022
kg
1000
1
0.001
35.273
2.20459
t
1000000
1000
1
35273
2204.59
oz
28.3495
0.02835
0.000028
1
0.0625
lb
453.592
0.45359
0.000454
16
1
1 tonne(metric)=1.1023 ton(US)=0.9842 ton(UK)