Car Payment Formulas:
Lease: Dep = (CC - RV) / T; Fin = (CC + RV) × MF; MP = Dep + Fin
Loan: MP = P × (r (1+r)^n) / ((1+r)^n - 1)
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This calculator helps you estimate monthly payments for either a car lease or a car loan. It uses standard financial formulas to calculate your expected monthly payment based on the terms of your agreement.
The calculator uses different formulas for leases and loans:
Lease: Dep = (CC - RV) / T; Fin = (CC + RV) × MF; MP = Dep + Fin
Loan: MP = P × (r (1+r)^n) / ((1+r)^n - 1)
Where:
Details: Understanding your monthly payment helps with budgeting and comparing different financing options. Leases typically have lower monthly payments but you don't own the vehicle at the end.
Tips: For leases, you'll need the negotiated price, residual value, lease term, and money factor. For loans, you'll need the loan amount, interest rate, and loan term.
Q1: Should I lease or buy?
A: Leasing offers lower payments and frequent upgrades, while buying builds equity. Consider your driving habits and financial goals.
Q2: How is money factor related to interest rate?
A: Money factor × 2400 ≈ equivalent annual interest rate. For example, 0.0025 MF ≈ 6% APR.
Q3: What's a good residual value percentage?
A: Typically 50-60% of MSRP after 3 years, but varies by vehicle and lease term.
Q4: How does down payment affect calculations?
A: For loans, it reduces principal. For leases, it reduces capitalized cost but isn't recommended as you don't get it back if the car is totaled.
Q5: Are there other fees not included here?
A: Yes, both loans and leases may have acquisition fees, documentation fees, taxes, and other charges not reflected in this basic calculation.