How Hail Is Measured

news image
Top Stories
26 Mar 2018 3:54 PM
How big are hailstones?  That definitely can depend on where you live and how strong an updraft the storm has that produces them! The best way to find out how large the hail might be that fell in your yard is to take an actual measurement. Depending on what the diameter is in inches will determine the size. The chart below, as provided by the Storm Prediction Center, shows how hail is typically measured.
 

HAIL SIZE (in.)

 

OBJECT ANALOG REPORTED

.50

Marble, moth ball

.75

Penny

.88

Nickel

1.00

Quarter

1.25

Half dollar

1.50

Walnut, ping pong

1.75

Golf ball

2.00

Hen egg

2.50

Tennis ball

2.75

Baseball

3.00

Tea cup

4.00

Softball

4.50

Grapefruit

The biggest hailstone ever measured was a whopper, and fell in South Dakota in 2010! https://twitter.com/NWSDesMoines/status/978368351843110913 If you have any videos or photos of hail, make sure to share them with us on our Facebook or Twitter pages! For WeatherNation, I'm Meteorologist Meredith Garofalo
All Weather News
More
Summer Heat Holds it's Grip on the South

Summer Heat Holds it's Grip on the South

Fall may be getting closer on the calendar, b

14 Sep 2026 1:55 PM
Rounds of Storms Increase the Flood Threat in the Midwest

Rounds of Storms Increase the Flood Threat in the Midwest

It's no secret that the Midwest has been the

14 Sep 2026 1:54 PM
Tropics: Power Restoration Progresses in Kauai, Norbert & TD-E Track West

Tropics: Power Restoration Progresses in Kauai, Norbert & TD-E Track West

The Pacific Ocean has been incredibly active

14 Sep 2026 1:40 PM
Active Pattern Takes Shape Across the Plains

Active Pattern Takes Shape Across the Plains

WHAT TO EXPECTThings will be active across th

14 Sep 2026 1:35 PM
No Hurricanes Yet in the Atlantic, A New Record

No Hurricanes Yet in the Atlantic, A New Record

For the first time in the satellite era (sinc

14 Sep 2026 1:30 PM
Storms Winding Down Across Northeast

Storms Winding Down Across Northeast

WHAT TO EXPECT Record rainfall has fallen acr

14 Sep 2026 1:10 AM
High Heat & Humidity Across the Southwest

High Heat & Humidity Across the Southwest

Temperatures not only broke records on Wednes

10 Sep 2026 11:10 AM