TreeNerd.com — Field referenceBuilt for working arborists

The tree care authority hub

Know your trees.
Like a nerd.

Jobsite calculators, a cited species library, pest intel, CEUs, jobs and leads — built for climbers, PHC techs and consultants who live in the canopy.

Open the jobsite tools Get listed & get leads

Jobsite tools

150

Cited species profiles

6,250+

Tree companies listed

CEUs tracked per cycle

Not a pro?I'm a homeownerWorried about a tree on your property? Plain-English answers, realistic costs, and certified pros near you.“Should I worry?” 60-second checkTree work cost estimatorFind a certified arboristGet homeowner help

Pro Hub · Daily-use tools

The utilities you'll bookmark

All tools

Fast, mobile-first and built for gloves and glare. Each tool is shareable and embeddable for backlinks.

Green Log Weight & Rigging

Species + diameter + length → log weight and required rigging-line strength. The flagship.

FLAGSHIP · JOBSITE-READY

Tree Valuation (CTLA)

Trunk-formula appraisal for consulting arborists estimating monetary tree value.

CONSULTING

Pesticide Mix & Dosage

Tank mixes by canopy size and DBH for PHC technicians. Unit-safe.

PHC

Crane Pick & Boom Capacity

Pick weight vs chart capacity at your radius — with the tree-work margin built in.

RIGGING · NEW

Tree Risk Assessment

Guided ISA-method inspection (roots, trunk, crown) → instant Low/Moderate/High/Extreme rating. Saved to your account.

Field-guide entries: growth rate, mature size, green wood weights, pruning windows — every profile sourced.

FEEDS ALERT MAP

Pest & Disease

Cross-linked entries

Symptoms, range, peak season, treatment & severity — linked both ways to the species library.

CEU Center · the return engine

Read or watch → quiz → log the credit.

Turn weekly reading into certification-maintenance credits, tracked automatically in your account.

Open CEU Center See how it works

Homeowners · plain English

Worried about a tree? Start here.

No jargon, no upsell. Three steps to peace of mind — and a certified pro when you need one.

Step 01

Should I worry about my tree?

Answer a few plain questions about leaning, dead branches, fungus or cracks — get a clear risk read.

Run the 60-sec check

Step 02

What will tree work cost?

Ballpark removal & care prices for your area, before you call anyone.

Estimate by region

Step 03

Find a certified arborist

Browse ISA-certified pros near you, see reviews, and request quotes.

Search near me

Every homeowner path leads to one action: find & contact a certified arborist near you.

Find a Certified Arborist · the shared hinge

Homeowners are demand. Pros are supply.

A location-first directory with programmatic city & state pages. Free listings for every member, premium placement for pros who want the leads.

Browse arborists Claim your listing

Talent · hire crew or get hired

The talent marketplace.

The other side of the job board. Employers search climbers, grounds crew, foremen and insured contract climbers; professionals build a free profile so the work comes to them.

Browse talent Build your profile

The credibility layer

Skeptical of generic content? Good.

By arborists, for arborists

Every tool and entry reviewed by working, credentialed pros.

ISA-aligned content

Built around the certification body of knowledge and CEU standards.

Contributor credentials

Bylines carry real qualifications — no anonymous SEO filler.

Free, embeddable tools

Calculators other sites can embed — “powered by TreeNerd.”

Tree Nerd Academy

Ready to sit the ISA Certified Arborist exam?

Video curriculum, flashcards, and exam-sim built by working arborists.

Explore courses