Tree Measurements
Tree Circumference at 4.5 ft (DBH)
Measure around the trunk at 4.5 feet (1.37 m) above ground. Accepts decimals, fractions, and mixed numbers.
Tree Species
White Oak (5.0)
Bur Oak (3.5)
Pin Oak (3.0)
Red Oak (4.0)
Live Oak (3.0)
Sugar Maple (5.0)
Black Maple (5.0)
Silver Maple (3.0)
Red Maple (4.5)
Norway Maple (4.5)
American Elm (4.0)
Shagbark Hickory (7.5)
White Birch (5.0)
River Birch (3.5)
American Beech (6.0)
Black Walnut (4.5)
Black Cherry (5.0)
American Sycamore (4.0)
Tulip Tree (3.0)
Flowering Dogwood (7.0)
Redbud (7.0)
Green Ash (4.0)
White Ash (5.0)
Basswood / Linden (3.0)
Honeylocust (3.0)
Eastern Cottonwood (2.0)
Quaking Aspen (2.0)
Bradford Pear (3.0)
Eastern White Pine (5.0)
Colorado Blue Spruce (4.5)
Douglas Fir (5.0)
Western Red Cedar (5.0)
Western Hemlock (4.0)
Sitka Spruce (4.5)
Ponderosa Pine (4.5)
Lodgepole Pine (4.0)
Grand Fir (4.5)
Noble Fir (4.5)
Western Larch (4.0)
Bigleaf Maple (4.5)
Red Alder (3.0)
Pacific Madrone (5.0)
Pacific Dogwood (7.0)
Garry / Oregon White Oak (5.0)
Black Cottonwood (2.0)
Custom Growth Factor
Custom Growth Factor
Enter the ISA growth factor for your species. Typical range is 2.0 to 8.0.
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