How is Stump Grinding Cost Calculated?

Pricing is straightforward: it is primarily based on the total diameter inches of all stumps. However, a Minimum Service Call Fee ($100-$150) ensures the crew covers their travel and setup costs for small jobs.

Calculate the Cost Estimate of Stump Grinding

Get started by entering your zip code for a localized estimate.

Stump Details

Enter the diameter at the widest point (ground level).

Root System Complexity

Additional Services:

Haul Away Wood Chips
Chase Surface Roots
Fill Hole with Soil/Seed
Difficult Access (Gates/Hills)

Key Factors Influencing Grinding Rates

Root Chasing

Some trees (Maples, Pines) have surface roots extending feet away. Grinding these "chasing the roots" adds labor time and cost.

Cleanup

Leaving the chips is the cheapest option. Hauling them away requires heavy lifting and disposal fees, often adding 30-50% to the bill.

Average Cost by Size

Stump DiameterAverage PriceNotes
Small (up to 12")$100 – $150Usually minimum charge applies
Medium (18" - 24")$120 – $180~$3 per inch
Large (30" - 40")$200 – $350May involve root chasing
Extra Large (50"+)$400+Heavy machine required

How to Estimate Stump Grinding Cost Manually

Stump grinding is almost exclusively priced by the diameter inch. However, accessibility, surface roots, and cleanup options can double the price of the job.

Step 1: Measure Correctly

Measure the stump at the widest point at ground level, not the cut top. If the ground is humped up by roots, include that hump width.

Step 2: Base Rate Calculation

First Stump: $3.00 - $5.00 per inch.
Additional Stumps: $2.00 - $3.00 per inch.

Step 3: Root Chasing

"Chasing roots" means grinding the visible roots spreading from the stump. This is time-consuming and often adds $50 - $150 to the total.

Step 4: Use the Formula

(Diameter_Inches × $4) + Cleanup_Fee + Minimum_Charge_Adj = Total

Example: For a 30-inch Oak Stump:
(30 inches × $4) + $0 (Leave Chips) = $120 (If above min charge of $100)

Frequently Asked Questions

Yes, grinding the stump 6-10 inches below grade effectively kills the root system. The remaining roots will decay naturally over a few years.

Grinding produces a large pile of mulch (more than you expect). Most quotes assume leaving the chips in a pile. Hauling them away typically costs extra ($4-$6 per inch of stump).

Standard grinding goes 6-8 inches below ground level, which is sufficient for grass or small gardens. If you plan to replant a tree in the same spot, ask for 12+ inches (costs more).

You can, but you must remove the grindings (wood chips) and refill with fresh topsoil because wood chips rob nitrogen from the soil as they decompose, which hurts new plants.

Accessibility is key. Most grinders need a 36-inch wide gate. Grinding near structures requires extra care and protective shielding, which may increase the price slightly.

Subterranean termites eat damp, decaying wood. While mulch piles can attract them, the risk is generally low if the pile is not against your house foundation.

No. 'Removal' usually means digging out the entire root ball with an excavator, which is much more expensive and damages the lawn. 'Grinding' shaves it down to wood chips.

You must call 811 before grinding if lines are suspected. If a stump is grown around a gas or water line, it may not be grindable, or requires hand digging (very expensive).

Yes. If you have 5+ stumps, contractors will often give a bulk rate or 'half-day rate' which is significantly cheaper per stump than doing them individually.

The hole left behind will be filled with wood chips fluff. Over time, it will settle and create a depression. You may want to pay for 'fill and seed' service to level it out.