Free car & garage tools
Calculators, lookups, and checklists for car owners and garage owners. All free, all auto-localised to your country’s currency and units.
For car owners
Car Loan EMI Calculator
Calculate monthly EMI, total interest, and full schedule for any car loan.
Open tool →Fuel Cost Calculator
Work out the petrol or diesel cost for any trip — auto-localised to your region.
Open tool →Mileage Calculator
Calculate real-world fuel efficiency in kmpl, mpg, and L/100km from one fill-up.
Open tool →Car Depreciation Calculator
Estimate your car's current resale value using industry-standard year-by-year curves.
Open tool →Service Schedule Lookup
See what's due next based on your odometer reading and standard manufacturer intervals.
Open tool →Car Repair Cost Estimator
Get a realistic ballpark for common car services before you visit a garage.
Open tool →Tyre Size Calculator
Compare two tyre sizes — see diameter change, sidewall difference, and speedo error.
Open tool →Insurance Premium Estimator
Estimate your annual car insurance premium based on insured value, age, and bonus.
Open tool →EV vs Petrol TCO
Compare total cost of owning an EV vs a petrol car over 1–10 years.
Open tool →Car Service Checklist
Free 50-point printable multi-point inspection checklist.
Open tool →For garage owners
Labour Rate Calculator
Find the right hourly labour rate based on your shop's monthly costs and capacity.
Open tool →Hourly Rate (Break-even)
Work out break-even labour rate from rent, wages, utilisation, and target margin.
Open tool →Garage Profit Calculator
Calculate monthly profit, margin, revenue per job — know your numbers.
Open tool →Parts Markup & Margin
Set the right selling price for parts. Always shows both markup % and margin %.
Open tool →Want the full picture for your garage?
Autodots is the all-in-one platform for garage owners — bookings, job cards, invoicing, and customer marketplace.
Explore Autodots for garages →