Calculators
By Morgan T. Ellsford
Lightweight calculators that run entirely in your browser. No logins, no accounts, and no form submissions are required. These tools are educational estimators designed to help with vehicle ownership, leasing, repair, and replacement decisions. They are primarily U.S.-focused, and actual costs, taxes, insurance, and rules can vary by state and by country.
Repair vs Replace Calculator
Compare repair costs against replacement economics in a simple decision model.
Lease vs Buy Calculator
Compare total cost over a shared time horizon using a simplified lease-versus-ownership model.
Lease Mileage Fee Calculator
Estimate excess mileage penalties for lease-end planning, with miles and km shown.
Repair Monthly Cost Calculator
Turn a one-time repair bill into a monthly cost over the months you expect the repair to add.
All-In Monthly Vehicle Cost
Estimate your true monthly out-of-pocket vehicle cost across several major ownership categories.
Ownership Cost Calculator
Estimate longer-term ownership cost including recurring expenses, repair exposure, and usage assumptions.