Professional services
Commercial Auto Insurance Calculator
Works commercial vehicle cost, where personal cover does not reach business use.
Result
An estimating tool, not insurance advice and not a quote. Actual premiums are set by underwriting on factors no calculator sees: claims history, credit and loss data, exact location, construction, contract requirements and the insurer's own appetite. What cover you need is a question for a licensed broker who has looked at your situation. Commercial auto rates depend heavily on radius of operation, what is carried, and driver records, which are checked. Personal auto policies exclude business use, so a van used for work and insured personally is frequently uninsured at the moment of a claim. Hired and non-owned auto cover is a separate and commonly overlooked exposure where employees drive their own cars for work.
Get a Free Business AuditHow the calculation works
Vehicles times the rate for their type and use, with the limit and deductible chosen, giving annual and monthly cost and cost per vehicle. Rating follows vehicle type, radius of operation, driving records and the use the vehicle is put to rather than only its value.
What moves the number
- Vehicle type and weight class.
- Radius of operation and annual mileage.
- Driver records, which matter more than most people expect.
- Whether employees use personal vehicles for work.
Where this one goes wrong
A personal auto policy commonly excludes or limits business use, which means an accident during work can be denied and the business left exposed, and that applies to employees using their own vehicles too. Hired and non-owned auto cover is what addresses the second case and it is frequently missing. Driver records are the other item worth managing actively, since adding a driver with a poor record can move the premium substantially and most businesses never check before handing over keys.
Before you quote
- Confirm business use is on a commercial policy.
- Add hired and non-owned cover where employees drive their own vehicles.
- Check driver records before adding anyone to the policy.
Where the rules come from
Questions
About this calculator
Is a personal auto policy enough for work driving?
Usually not. Personal policies commonly exclude or limit business use, so an accident during work can be denied. Commercial cover or a business-use endorsement is the route, and confirming it with the insurer beats assuming.
What about employees using their own cars?
That is what hired and non-owned auto cover addresses, and it is frequently missing from small business programmes. Without it, an employee's accident while running an errand for the business can land on the business with no cover responding.
Why do driver records matter so much?
Because they are a primary rating factor, and adding a driver with a poor record can move the premium substantially. Checking records before handing over keys is cheap and most businesses never do it until the renewal explains why.
The formula
premium = exposure / rate basis x rate x risk multiplier, less deductible credit, plus claims loading
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How to use this calculator
- Total fleet value ($). Enter your own figure; the page starts at $180,000.
- Rate per $1,000 of value. Enter your own figure; the page starts at 28.
- Risk classification. Enter your own figure; the page starts at Typical (1.0x).
- Deductible ($). Enter your own figure; the page starts at $1,000.
- Claims history loading (%). Prior claims increase the premium, sometimes sharply.
- Minimum premium ($). Enter your own figure; the page starts at $1,200.
The result updates as you type, so you can try a figure, see what it does to estimated annual premium, and change it back. Nothing you enter is sent anywhere or saved.
A worked example
These are the figures the calculator opens with. Every number in the results column below is produced by the same calculation the page runs, so you can follow it through before putting your own figures in.
What goes in
| Input | Value |
|---|---|
| Total fleet value | $180,000 |
| Rate per $1,000 of value | 28 |
| Risk classification | Typical (1.0x) |
| Deductible | $1,000 |
| Claims history loading | 0% |
| Minimum premium | $1,200 |
| Number of vehicles | 4 |
What comes out
| Result | Value |
|---|---|
| Estimated annual premium main result | $4,676 |
| Per month | $389.66 |
| Before loadings | $5,040 |
| Credit for the deductible | $364.13 |
| Effective rate on exposure | 2.60% |
Roughly $4,676 a year, about $389.66 a month, which is 2.60% of the exposure. Underwriting will move this considerably.
How sensitive the answer is
Holding everything else steady and changing only total fleet value, this is what happens to estimated annual premium. It is worth knowing which of your inputs the answer actually hinges on, and which barely move it.
| Total fleet value ($) | Estimated annual premium |
|---|---|
| $90,000 | $2,338 |
| $135,000 | $3,507 |
| $180,000 example above | $4,676 |
| $270,000 | $7,014 |
| $360,000 | $9,352 |
Every other input is held at the example value while this one changes, which is not how a real job behaves. Treat it as a guide to which number matters most, not as five separate quotes.
What each figure means
- Total fleet value ($)
- A money amount, starting at $180,000.
- Rate per $1,000 of value
- A number, between 0 and 500, starting at 28.
- Risk classification
- Choose from Low risk (0.75x), Typical (1.0x), Higher risk (1.6x), High hazard (2.5x).
- Deductible ($)
- A money amount, starting at $1,000.
- Claims history loading (%)
- Prior claims increase the premium, sometimes sharply.
- Minimum premium ($)
- A money amount, starting at $1,200.
- Number of vehicles
- A number, between 0 and 500, starting at 4.
What the results tell you
| Result | What it is |
|---|---|
| Estimated annual premium | The headline result. A money figure. |
| Per month | A money figure. |
| Before loadings | A money figure. |
| Credit for the deductible | A money figure. |
| Effective rate on exposure | A percentage. |
Keep going
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