Contractor Insurance Cost Calculator
Last updated: October 15, 2026
Estimate a contractor insurance budget combining general liability, workers compensation, tools coverage, commercial auto and umbrella insurance.
Starting figures illustrate this model. Enter your own measurements, quoted costs and applicable terms; this page does not retrieve live prices or provider rates.
Estimated annual contractor insurance cost
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- General-liability estimate: —
- Workers compensation estimate: —
- Tools and equipment coverage: —
- Commercial auto, umbrella and fees: —
On this page
Quick summary: Estimate a contractor insurance budget combining general liability, workers compensation, tools coverage, commercial auto and umbrella insurance.
Read the complete guide
Updated reference sections in this guide are in English.
What this calculator estimates
Estimate a contractor insurance budget combining general liability, workers compensation, tools coverage, commercial auto and umbrella insurance.
How to use it
Enter Annual contractor revenue ($); General-liability rate per $1,000 revenue ($); Annual payroll ($); Workers compensation rate (%); Tools and mobile equipment value ($); Inland-marine rate (%); Commercial vehicles; Commercial-auto premium per vehicle ($); Umbrella and excess premium ($); Policy fees ($). Select Calculate to update the results.
How the calculation works
The estimate combines revenue-rated general liability, payroll-rated workers compensation, value-rated tools coverage, vehicle premiums, umbrella coverage and fees.
Worked example: starting scenario
| Annual contractor revenue ($) | 1500000 |
|---|---|
| General-liability rate per $1,000 revenue ($) | 2.25 |
| Annual payroll ($) | 650000 |
| Workers compensation rate (%) | 5.2 |
| Tools and mobile equipment value ($) | 180000 |
| Inland-marine rate (%) | 1.4 |
| Commercial vehicles | 4 |
| Commercial-auto premium per vehicle ($) | 2600 |
| Umbrella and excess premium ($) | 3200 |
| Policy fees ($) | 600 |
| Estimated annual contractor insurance cost | $53,895.00 |
|---|---|
| General-liability estimate | $3,375.00 |
| Workers compensation estimate | $33,800.00 |
| Tools and equipment coverage | $2,520.00 |
| Commercial auto, umbrella and fees | $14,200.00 |
Important limitations
Trade class, subcontractors, payroll codes, claims, contracts, states, vehicle use, limits and insurer audits can materially change actual costs.