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Estimating Hail Size

Estimating Hail-Size

Hail Size and Common Comparisons
Common Name Diameter
BB size 0.10 inch
Pea 0.25 inch
Mothball, small marble, peanut M&M 0.50 inch
Penny or Dime, large marble, Milk Dud 0.75 inch
Nickel 0.88 inch
Quarter 1.00 inch
Kennedy Half-Dollar 1.25 inches
Ping Pong ball 1.50 inches
Golfball 1.75 inches
Hen Egg 2.00 inches
Tennis ball 2.50 inches
Baseball or Orange 2.75 inches
Hockey Puck 3.00 inches
Grapefruit 4.00 inches
Softball or larger 4.50 inches


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