Tree Diameter (DBH) Calculator
Turn trunk circumference into diameter at breast height in inches, centimetres and feet, plus basal area, Doyle log scale and a size class.
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Break a tree removal quote into crew hours, rigging, debris loads and stump grinding, then bracket the total so you can judge a bid.
Chlorova · updated for 2026
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This is a screening model for judging quotes, not a quote. Hourly rates, rigging premiums, disposal fees and stump minimums vary enormously by region, access, species, decay, proximity to structures and local dump pricing, and a tight site can double a fair number. Any tree near a power line, growing over a building or showing decay belongs to a licensed and insured arborist, and permits or replacement rules apply in many municipalities. Get three written bids, confirm liability coverage and tree care certification in writing, and never accept a price that is far below the bracket shown here.
A tree removal quote arrives as one number, which is exactly how the interesting costs get hidden. The hours a crew spends, the loads of debris that leave the site and whether the stump gets ground are three separate purchases, and a small tree in a tight yard can out price a big one in an open field. This calculator breaks the job into crew hours from the size class, a rigging premium for diameter, disposal by load and an optional stump grind, then brackets the total so you know what range of quotes is normal.
Crew hours come from the size class baseline multiplied by a difficulty factor, since a big tree takes more than height alone: rigging in sections, lowering limbs and working around a roof all add time. Labor is those hours at the rate billed, and the rigging premium is charged over twelve inches of trunk diameter, because thickness means heavier pieces and more control lines.
Disposal is priced by the load rather than the tree, which is why the same oak can cost differently at two dumps. Stump grinding is the greater of a visit minimum or a per inch rate across the diameter, so a wide low stump is often costlier than a tall thin one. The bracket is twenty percent below and twenty five percent above the modeled total, which is the ordinary spread of three honest bids.
Baseline hours and loads for a straightforward tree with room to fell, before access, decay or a roof narrows the method and lengthens the day on site.
| Class | Height ft | Crew hours | Loads | Usual method |
|---|---|---|---|---|
| Small | 20 | 1.5 | 1 | Hand felling |
| Medium | 45 | 4.2 | 2 | Ropes and chipper |
| Large | 80 | 9.0 | 4 | Climbed in sections |
| Extra large | 120 | 20.0 | 6 | Crane or advanced rigging |
| Stump only | 0 | 0.5 | 0 | Grinder visit |
| Limbout only | varies | 2.0 | 1 | Pruning from the ground |
Use it before you call for bids so a number sounds plausible, when comparing removal against a limbout, when a storm job quote arrives by text with no itemising, and when deciding whether to keep the wood as firewood. Pair it with the tree diameter calculator to measure honestly, the tree value calculator under TRIA to see what the same tree was worth standing, the stand basal area calculator if you are managing a woodlot, and the landscape job pricing tool to set your own crew rates.
Crews price different risks and different inclusions. Access decides whether a chipper can reach the tree, insurance costs real money, and one bid may leave the stump while another hauls everything away. Compare the bracket here, then ask each bidder to itemize the same four lines.
Only in the small class, with a clear fall path, solid ground and no lines or buildings within twice the height. Above that the work is climbing or rigging, and the injuries happen during sectional lowering rather than at the first cut. A crew day costs less than one bad decision.
Grind it if you will reseed the lawn, lay a patio or plant there, since a grinding visit is cheap and digging a root plate is not. Leave it if the ground stays wild, if roots hold a slope, or if a new tree is going in the same bed.
Per visit usually yes, since no felling and fewer loads are involved, but a climber billing hourly spends a whole day in a large tree. A limbout on a big oak can approach the price of taking a medium tree down, so size class matters more than the verb you use.
A hazard tree is priced with urgency and overtime, and demand after a windstorm lifts hourly rates for weeks. Insurers also treat a hanging limb differently from a sound tree. Photograph the failure and keep the quote, since a claim may reimburse documented removal.
A home landscape removal is usually a personal expense, though it can sometimes be added to your cost basis as a land improvement, and a rental property treats it as maintenance. A disaster tree is handled differently. Ask a tax professional rather than a forum.
Chlorova Gardening Team
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Checked against extension-service publications
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