Object
|
Diameter
|
Pea
|
0.25 inches (6.4mm)
|
Marble (small)
|
0.50 inches (13mm)
|
Grape (small)
|
0.62 inches (16mm)
|
Olive (large)
|
0.75 inches (19mm)
|
Shooter Marble
|
0.75 inches (19mm)
|
Walnut/Ping-pong ball
|
1.50 inches (38mm)
|
Squash ball
|
1.65 inches (41mm)
|
Golf ball
|
1.75 inches (41mm)
|
Hen egg
|
2.00 inches (51mm)
|
Pool ball
|
2.25 inches (57mm)
|
Orange
|
2.38 inches (60mm)
|
Tennis ball
|
2.50 inches (64mm)
|
Baseball
|
2.75 inches (70mm)
|
Cricket ball
|
2.80 inches (71mm)
|
Teacup
|
3.00 inches (76mm)
|
Grapefruit
|
4.00 inches (102mm)
|
Softball
|
4.50 inches (114mm)
|
Melon (small)
|
4.75 inches (121mm)
|
Computer CD
|
5.00 inches (127mm)
|
Cantaloupe
|
6.50 inches (165mm)
|
45 RPM Phonograph Record
|
7.00 inches (178mm)
|
Volleyball
|
8.00 inches (203mm)
|
Bowling ball
|
8.25 inches (210mm)
|