Free Car Calculators
Numbers you actually need β without the guesswork. Pick a calculator and get a real answer in under five minutes.
Annual Car Cost Calculator
Find out exactly what your car costs to own per year β insurance, fuel, maintenance, repairs, and depreciation all in one number.
- 6 cost categories
- 200+ models
- All 50 states
Road Trip Risk Calculator
Estimate how ready your car is for a longer drive. We check six key systems and tell you exactly what to look at before you leave.
- 6 systems checked
- Trip distance aware
- Links to guides
Which Car Suits You?
Answer 7 honest questions and we'll match you to your best car from 50+ models β with real explanations, not just a spec sheet.
- 50+ car models
- Smart matching
- With photos
What Car Can I Afford?
Set your monthly budget and see every car that fits β loan, insurance, fuel, and maintenance combined into one honest number. 280+ models.
- 280+ models
- Real monthly cost
- All 50 states
What's My Car Worth?
Get a realistic trade-in, private sale, and dealer retail estimate based on your vehicle age, mileage, condition, and history.
- 3 value tiers
- 200+ models
- Condition-based
What Does It Cost to Open a Repair Shop?
Startup capital is the easy half. This works out the harder half too: how many billed hours a week the shop needs before it stops losing money.
- Equipment to runway
- Break-even hours
- 2026 US benchmarks
Gear Ratio Calculator
Tyre size, gearbox ratio and final drive decide what the engine is doing at any road speed. Work it out gear by gear, then see what a different axle ratio changes.
- rpm to road speed
- Every gear at once
- Axle swap comparison