20/3/8 Car Rule Calculator

Estimate a recommended car budget using the 20/3/8 rule: put 20% down, finance for no more than 3 years, and keep the monthly car payment at or below 8% of gross monthly income. This calculator estimates the maximum car price based on income, down payment, loan term, and interest rate.

Gas Mileage Calculator

Estimate your vehicle’s gas mileage in miles per gallon based on distance traveled and fuel used, with optional fuel cost inputs to calculate cost per mile and trip fuel expense.

MPG Calculator

Calculate vehicle fuel efficiency in miles per gallon based on distance traveled and fuel used, with optional cost-per-gallon input to estimate fuel cost per mile.

Used Car Value Calculator

Estimate the resale value of a used car based on original price, age, mileage, condition, and market demand. This calculator applies depreciation and market adjustments to provide an estimated current value.

Car Trade-In Value Calculator

Estimate your vehicle’s trade-in value based on original price, age, mileage, condition, and market demand. This calculator applies depreciation and common dealership trade-in adjustments to provide an estimated value range.

Trade-In Equity Calculator

Estimate the positive or negative equity available when trading in a vehicle by comparing its current market value with the remaining loan payoff balance, while accounting for sales tax credit and dealer payoff fees.

Negative Equity Car Calculator

Estimate how much negative equity you have on your car loan by comparing your remaining loan balance to your vehicle’s current trade-in value, adjusted for expected payoff fees and condition.

Electric Car Lease Calculator

Estimate a monthly electric car lease payment based on vehicle price, lease term, annual mileage, down payment, and expected residual value. This calculator uses a simplified lease formula that combines depreciation and finance charges for a realistic monthly estimate.

Used Car Lease Calculator

Estimate a used car lease monthly payment based on vehicle price, lease term, expected residual value, money factor, and down payment. The formula uses standard lease logic: depreciation charge plus finance charge.

Car Lease Transfer Calculator

Estimate the total upfront cost to take over a car lease, including transfer fees, monthly payment obligations over the remaining term, mileage overage risk, and disposition fees at lease end.

How Much Car Can I Afford Calculator

Estimate the maximum car price you can afford based on your monthly take-home pay, current monthly debt, down payment, loan term, and APR. This calculator uses a target debt-to-income style approach by limiting your total monthly debt obligations and converting the remaining room into an affordable auto loan amount.