Conservation Technician how-to
How to Measure DBH and Tree Height
Accurate tree measurements are the basis of forest inventory.
Quick answer
Accurate tree measurements are the basis of forest inventory. In short: stand; measure; wrap, then complete the remaining steps below.
Step by step
Stand on the uphill side of the tree.
Measure 4.5 feet above ground.
Wrap a diameter tape level around the trunk.
Read diameter in inches.
Use a clinometer from a set distance to measure height.
Record species, DBH and height.
Safety reminders for conservation technicians
- Wear chainsaw PPE and follow sawyer certification rules
- Carry first aid, water and communication devices
- Watch for wildlife and hazards in remote areas
- Follow fire safety on prescribed burns
Key terms
Timber cruise · DBH · Plot · Stand · Basal area · Clinometer: see the full conservation technician glossary.