National Weather Service United States Department of Commerce

HAIL SIZE GUIDE

 Use this guide when reporting severe weather to the National Weather Service 

Pea Size

0.25"
Marble Size (Plain M&M) 0.50"
Penny Size 0.75"
Nickel Size 0.88"
Quarter Size 1.00"
Half Dollar/Ping Pong Ball Size 1.50"
Golf Ball Size 1.75"
Hen Egg Size 2.00"
Tennis Ball Size 2.50"
Baseball Size 2.75"
Grapefruit Size 4.00"
Softball Size 4.50"