1
Q
1inch=?cm
A
2.54cm
2
Q
1cm=?in
A
0.4in
3
Q
1gal=?L
A
3.79L
4
Q
1lb=?kg
A
0.454kg
5
Q
1kg=?lb
A
2.2046lb
6
Q
1lb=?oz
A
16oz
7
Q
1oz=?g
A
28.35g
8
Q
1grain=?mg
A
64.80mg
9
Q
Density
A
=mass/volume
10
Q
Specific gravity
A
=density of object/ density of water
