Free practical tools
Car cost, fuel, EV charging, tire, trip, loan, depreciation, and maintenance calculators.
Enter values, run the tool, copy the result. Built for drivers, car buyers, road trip planners, and EV owners.
All tools
Choose a tool
Fuel Cost Calculator
Estimate fuel cost for a trip.
FuelMPG Calculator
Calculate miles per gallon.
FuelL/100 km Calculator
Convert MPG to liters per 100 km.
EVEV Charging Cost Calculator
Estimate EV charge cost.
EVEV Range Cost Calculator
Estimate EV cost per mile.
OwnershipTire Diameter Calculator
Calculate tire diameter from tire size.
OwnershipCar Depreciation Calculator
Estimate car value after depreciation.
OwnershipMaintenance Cost Per Mile
Calculate maintenance cost per mile.
TripRoad Trip Cost Calculator
Estimate total road trip cost.
OwnershipCar Loan Payment Calculator
Estimate monthly car loan payment.
OwnershipLease vs Buy Difference
Compare simple lease and buy monthly costs.
TripCommute Cost Calculator
Estimate monthly commute cost.
OwnershipInsurance Monthly Calculator
Convert insurance premium to monthly cost.
OwnershipRegistration Cost Planner
Estimate annual registration and taxes monthly.
OwnershipCost of Ownership Calculator
Estimate monthly car ownership cost.
EVGas vs EV Break-even
Compare annual fuel cost between gas and EV.
TripTrip Time Calculator
Estimate driving time.
TripParking Cost Calculator
Estimate parking cost.
TripCar Rental Cost Calculator
Estimate rental car total.
OwnershipUsed Car Budget Calculator
Estimate all-in used car budget.
FuelAdvanced Fuel Cost Calculator
Estimate fuel cost for a trip. This focused variant is tuned for advanced planning and long-tail workflow searches.
FuelQuick MPG Calculator
Calculate miles per gallon. This focused variant is tuned for quick planning and long-tail workflow searches.
FuelPlanning L/100 km Calculator
Convert MPG to liters per 100 km. This focused variant is tuned for planning planning and long-tail workflow searches.
EVMobile EV Charging Cost Calculator
Estimate EV charge cost. This focused variant is tuned for mobile planning and long-tail workflow searches.
EVSmall Business EV Range Cost Calculator
Estimate EV cost per mile. This focused variant is tuned for small business planning and long-tail workflow searches.
OwnershipFamily Tire Diameter Calculator
Calculate tire diameter from tire size. This focused variant is tuned for family planning and long-tail workflow searches.
OwnershipTeam Car Depreciation Calculator
Estimate car value after depreciation. This focused variant is tuned for team planning and long-tail workflow searches.
OwnershipTravel Maintenance Cost Per Mile
Calculate maintenance cost per mile. This focused variant is tuned for travel planning and long-tail workflow searches.
TripAudit Road Trip Cost Calculator
Estimate total road trip cost. This focused variant is tuned for audit planning and long-tail workflow searches.
OwnershipChecklist Car Loan Payment Calculator
Estimate monthly car loan payment. This focused variant is tuned for checklist planning and long-tail workflow searches.
OwnershipBudget Lease vs Buy Difference
Compare simple lease and buy monthly costs. This focused variant is tuned for budget planning and long-tail workflow searches.
TripWeekly Commute Cost Calculator
Estimate monthly commute cost. This focused variant is tuned for weekly planning and long-tail workflow searches.
Fuel
Fuel tools
Fuel Cost Calculator
Estimate fuel cost for a trip.
FuelMPG Calculator
Calculate miles per gallon.
FuelL/100 km Calculator
Convert MPG to liters per 100 km.
FuelAdvanced Fuel Cost Calculator
Estimate fuel cost for a trip. This focused variant is tuned for advanced planning and long-tail workflow searches.
FuelQuick MPG Calculator
Calculate miles per gallon. This focused variant is tuned for quick planning and long-tail workflow searches.
FuelPlanning L/100 km Calculator
Convert MPG to liters per 100 km. This focused variant is tuned for planning planning and long-tail workflow searches.
EV
EV tools
EV Charging Cost Calculator
Estimate EV charge cost.
EVEV Range Cost Calculator
Estimate EV cost per mile.
EVGas vs EV Break-even
Compare annual fuel cost between gas and EV.
EVMobile EV Charging Cost Calculator
Estimate EV charge cost. This focused variant is tuned for mobile planning and long-tail workflow searches.
EVSmall Business EV Range Cost Calculator
Estimate EV cost per mile. This focused variant is tuned for small business planning and long-tail workflow searches.
Ownership
Ownership tools
Tire Diameter Calculator
Calculate tire diameter from tire size.
OwnershipCar Depreciation Calculator
Estimate car value after depreciation.
OwnershipMaintenance Cost Per Mile
Calculate maintenance cost per mile.
OwnershipCar Loan Payment Calculator
Estimate monthly car loan payment.
OwnershipLease vs Buy Difference
Compare simple lease and buy monthly costs.
OwnershipInsurance Monthly Calculator
Convert insurance premium to monthly cost.
OwnershipRegistration Cost Planner
Estimate annual registration and taxes monthly.
OwnershipCost of Ownership Calculator
Estimate monthly car ownership cost.
OwnershipUsed Car Budget Calculator
Estimate all-in used car budget.
OwnershipFamily Tire Diameter Calculator
Calculate tire diameter from tire size. This focused variant is tuned for family planning and long-tail workflow searches.
OwnershipTeam Car Depreciation Calculator
Estimate car value after depreciation. This focused variant is tuned for team planning and long-tail workflow searches.
OwnershipTravel Maintenance Cost Per Mile
Calculate maintenance cost per mile. This focused variant is tuned for travel planning and long-tail workflow searches.
OwnershipChecklist Car Loan Payment Calculator
Estimate monthly car loan payment. This focused variant is tuned for checklist planning and long-tail workflow searches.
OwnershipBudget Lease vs Buy Difference
Compare simple lease and buy monthly costs. This focused variant is tuned for budget planning and long-tail workflow searches.
Trip
Trip tools
Road Trip Cost Calculator
Estimate total road trip cost.
TripCommute Cost Calculator
Estimate monthly commute cost.
TripTrip Time Calculator
Estimate driving time.
TripParking Cost Calculator
Estimate parking cost.
TripCar Rental Cost Calculator
Estimate rental car total.
TripAudit Road Trip Cost Calculator
Estimate total road trip cost. This focused variant is tuned for audit planning and long-tail workflow searches.
TripWeekly Commute Cost Calculator
Estimate monthly commute cost. This focused variant is tuned for weekly planning and long-tail workflow searches.
Guides
Short practical guides
How to choose the right auto & car tools
Pick the fastest tool for the job and avoid common input mistakes.
GuideCommon mistakes with auto & car tools
Review units, assumptions, formats, and edge cases before using results.
GuideWhy browser-based tools are useful
Use lightweight tools for fast calculations, formatting, and planning without account setup.