It depends on the size, but if it not that tall use feet, and if it's to hard to measure in feet use yards
what is the measurement is used to measure fluid
Feet or metres would seem the most suitable.
centimeters
There are several tools used for measurement. Rulers are used to measure inches and centimeters. Scales are used to measure weight. Measuring cups are used to measure cups and ounces. Measuring spoons are used to measure teaspoons and tablespoons.
what is the measurement is used to measure fluid
meters (metres)
Circumference is the measurement around the trunk of the tree. It is usually measured at breast height because trees flare out at the bottom at different rates based on soil conditions. The best way to measure this is with a ribbon or piece of rope. Diameter can be measured by dividing this number by pi or 3.1415
Meters are used to measure length.Meters are used to measure length.Meters are used to measure length.Meters are used to measure length.
The measurement used to measure liquid volume is typically in liters or milliliters.
Its best to use a caliper but its fine if you use a cloth tape. Measure 4'6" above the base of the trunk and take your measurement at that point. That is the true caliper of the tree.
The measure is cubic feet.
centimeters