Calculated Industries 4045-B - Manual (Page 49)

User's Guide — 49
Surface Area & Volume
Formulas
w
l
Rectangle
Surface area =
2hw + 2hl + 2lw
Volume = l x w x h
h
Sphere
Surface area = 4
πr
Volume =
πr
r
2
4
3 3
Cone
Surface area =
πr r + h
(+
πr if you add the base)
Volume =
πr h
r
h
2 2
2
2
3
Cylinder
Surface area = 2
πrh + 2πr
Volume =
πr h
r
h
2
2
a
Cube
Surface area = 6a
Volume = a
2
3
a
a