Free calculator
Car Insurance Calculator
Estimate your annual and monthly auto premium and see exactly which rating factors are pushing your price up or down. This is a transparent model, not a carrier quote.
How the car insurance calculator works
Auto insurers file a base rate with each state, then multiply it by rating factors. This calculator mirrors that structure:
Premium = (Liability base × coverage factor + Comp/Collision) × age × record × mileage × location × creditThe comprehensive and collision portion is derived from your vehicle's value and adjusted by the deductible you pick — a higher deductible lowers that portion because you are absorbing more of each claim.
What moves your premium the most
| Factor | Typical swing | What helps |
|---|---|---|
| Age / experience | Drivers under 25 pay 1.5–2× more | Stay on a family policy; take a defensive-driving course |
| Driving record | An at-fault accident adds 30–50% | Violations usually age off after 3–5 years |
| Credit-based score | Up to 60% in most states | Lower balances and on-time payments |
| Deductible | $500 → $1,000 saves 10–20% on collision | Only if you can cover it after a loss |
| Coverage level | Dropping comp/collision on an old car | Consider it once the car is worth under ~$4,000 |
How to optimize what you pay
- Bundle auto with home or renters for a 10–25% multi-policy discount.
- Re-shop every 1–2 years. Carriers change their filings and your "loyalty" is often priced against you.
- Ask for every discount: low mileage, paid-in-full, paperless, telematics, good student, anti-theft.
- Right-size collision. When annual comp + collision premium exceeds ~10% of the car's value, reconsider carrying it.
- Keep liability limits high. The cheapest place to buy protection is 100/300/100 — it costs far less than the coverage it provides.
Car insurance calculator FAQ
Why is this different from a real quote?
Carriers use your VIN, exact garaging address, prior-carrier history and proprietary models. This tool uses the same categories of factors to give you a realistic range before you shop.
Does my credit really affect my car insurance?
In most U.S. states, yes — through a "credit-based insurance score." California, Hawaii, Massachusetts and Michigan restrict or ban the practice.
Should I lower my coverage to save money?
Lower comprehensive and collision on a low-value car, not your liability limits. A serious injury claim can exceed a minimum-limits policy and expose your assets.
Is anything I enter stored?
No. The estimate is computed in your browser and nothing is transmitted or saved.