Overview of Surface Area to Volume Ratio
Why cells are small
and organisms are
made up of cells!
Total surface area
(height x width x sides
x number of boxes)
Total volume
(height x width x length
x number of boxes)
SA:Vol ratio
(surface area + volume)
1
6
1
6
SA increases, volume stays constant
5
150
125
1.2
5
750
125
6