Insurance Cost Estimator Calculator

By Trade Business Guide Research Desk

Use quoted monthly amounts

The three fields represent General liability monthly, Workers compensation monthly, and Commercial auto monthly. Enter amounts payable for the same business and the same month. If a policy is billed annually, divide its annual premium by twelve before entering it. If a coverage type does not apply to your situation, enter zero deliberately rather than leaving the field blank. All three entries are required for a result; a blank field does not mean zero.

These are premium inputs, not coverage limits. The calculator does not ask about deductibles, class codes, employee payroll, vehicle count, claims history, or state requirements. It cannot quote an insurer’s price or determine whether a policy meets a contract. Workers compensation may be adjusted after a payroll audit, and monthly installment plans can have fees; enter the amount you intend to budget and verify it against the actual policy documents.

How the calculation works

monthly cost = general liability monthly + workers compensation monthly + commercial auto monthly. The Annual cost output is monthly cost multiplied by 12. There is no rate table, trade multiplier, or lookup behind the form. It simply organizes premiums you supply. If one field is missing, both totals remain unavailable. The site’s money display rounds the result for presentation, while the underlying arithmetic uses the full entered amounts.

Example assumptions — not benchmarks: monthly general liability premium $150, workers compensation $250, and commercial auto $200. Add $150 + $250 + $200 to get $600 per month. Multiply $600 by 12 to get $7,200 per year. This is an arithmetic example, not a statement of prevailing premiums. A company without employees or vehicles would need to assess its actual coverage obligations and enter its own amounts.

What this budget leaves outside the form

Separate policy costs from one-time deposits, broker fees, and financing charges. If those expenses matter to your cash plan, record them elsewhere instead of hiding them in a monthly premium input without explanation. The tool also does not include professional liability, tools and equipment coverage, umbrella coverage, or a bond. Add any applicable items to your full business budget. Do not assume the annual output equals a renewal quote: premiums and exposure can change between policy periods.

Check whether the commercial auto premium already appears in your vehicle operating budget. Counting it here and again in a total made with the commercial vehicle cost calculator would double count it. For a broader recurring budget, use monthly expense. If you are setting a selling rate, allocated insurance can flow into contractor hourly rate or job pricing, but count each expense once.

Keep the quote date, coverage period, and payment terms beside your saved inputs. When staffing or fleet size changes, get fresh insurer figures and rerun the calculation. This tool provides arithmetic on premiums, not advice on coverage selection.

When comparing quotes, first align coverage terms and billing periods. Two monthly payment amounts can describe different deductibles or policy limits, which this addition tool cannot show.

Coverage-cost questions

Last updated: September 24, 2026