Car Calculators
EMI, fuel vs EV, ownership cost, used-car sense checks and more — 28 free tools with indicative estimates for Indian buyers.
Loan & EMI
Pick a calculator — each page includes formula notes, assumptions and FAQs.
Car EMI Calculator
Estimate monthly EMI for a car loan in India.
Car Loan Calculator
Full car loan snapshot: EMI, interest and total payable.
Car Affordability Calculator
Rough on-road budget from income, EMI cap and down payment.
Car Down Payment Calculator
See cash down payment, loan amount and resulting EMI.
Loan Prepayment Calculator
Estimate interest saved by a lump-sum prepayment.
Fuel & EV
Pick a calculator — each page includes formula notes, assumptions and FAQs.
Fuel Cost Calculator
Annual and monthly fuel or EV energy cost from km and mileage.
Petrol vs Diesel Calculator
Break-even style comparison of diesel premium versus fuel savings.
Petrol vs EV Calculator
Compare petrol fuel spend with EV charging over your ownership years.
Diesel vs EV Calculator
Diesel fuel versus EV energy — premium payback estimate.
Hybrid vs Petrol Calculator
See if a hybrid’s mileage gain offsets its price premium.
EV Charging Cost Calculator
Session and annual charging cost with home/public blend.
Ownership & Running
Pick a calculator — each page includes formula notes, assumptions and FAQs.
Car Running Cost Calculator
Holistic running and ownership estimate over your horizon.
Cost Per Km Calculator
Approximate ₹/km after net ownership assumptions.
5-Year Ownership Cost Calculator
Five-year net ownership estimate with resale credit.
10-Year Ownership Cost Calculator
Decade-long ownership estimate including more wear cycles.
Total Cost of Car Ownership (TCO)
Full indicative TCO: finance, energy, care and depreciation.
Used & Resale
Pick a calculator — each page includes formula notes, assumptions and FAQs.
New vs Used Car Calculator
Approximate financial comparison — is the used option sensible?
Used Car Cost Calculator
Ownership estimate for a specific used car — sensibility check included.
Car Depreciation Calculator
Estimate value lost over years from an assumed residual %.
Car Resale Value Estimator
Indicative future resale from price, age and residual %.
Insurance & Maintenance
Pick a calculator — each page includes formula notes, assumptions and FAQs.
Car Insurance Cost Estimate
Rough OD + TP + add-ons premium with NCB.
Car Maintenance Cost Calculator
Annual service and repair reserves from price percentages.
Service Cost Calculator
Focus on periodic service budget over multiple years.
Tyre Replacement Cost Calculator
How many tyre sets — and what spend — over your ownership.
Battery Replacement Cost Calculator
12V battery cycles — plus illustrative EV pack note.
Budget & Trips
Pick a calculator — each page includes formula notes, assumptions and FAQs.
Trip Cost Calculator
Fuel/energy, tolls and misc for a road trip — per head optional.
Monthly Car Budget Calculator
Effective monthly ownership plus EMI and fuel snapshots.
Break-Even Calculator
Years to recover an upfront premium via annual savings.
Popular paths
Common workflows buyers use on CarDecision.
Calculator FAQs
Are CarDecision calculator results guaranteed?
No. Every result is an indicative estimate for planning. Loan approval, fuel prices, insurance premiums and resale values differ in the real market.
Do I need an account to use calculators?
No. All calculators are free to use without login.
Which calculator should I start with?
Start with affordability or EMI if you are financing, then run a 5-year ownership or cost-per-km view on shortlisted cars.
Where is ownership cost explained?
Visit the Ownership Cost hub for 5-year, 10-year and total cost of ownership tools in one place.