# How To Calculate Interest On A Car Loan Manually

I’m trying to budget to buy a new car. I want to move things around, so I want to figure out how much interest I’d be paying on my car loan. There are many calculators available, but I prefer to do it by hand. I trust myself more than logging numbers into something online.

You can calculate your interest costs using the formula I = P x R x T, where:
1. “I” is the interest cost.
2. “P” is principal, or the original amount borrowed.
3. “R” is the rate of interest, expressed as a decimal.
4. “T” is term, or length of the loan.

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## FAQ

How is interest calculated on a car loan by hand?

How to Figure Interest on a Car Loan for First Payment
1. Subtract your interest rate from the annualized number of monthly payments.
2. Multiply the monthly payment by the balance of your loan.
3. You will pay the calculated amount as interest on your first month’s payment.

How do you calculate interest on a car loan?

Subtract the number of payments you’ll be making that year from the interest rate. If you make monthly payments and your interest rate is 6%, you would divide 0 by 6. 06 by 12 to get 0. 005. To determine how much interest you’ll be paying that month, multiply that amount by the amount of the loan still outstanding.

How do you calculate interest on a loan manually?

You can calculate the Car Loan EMI Amount with the help of the mathematical formula: EMI Amount = [P x R x (1+R)^N]/[(1+R)^N-1] , where P, R, and N are the variables.

How does Car Loan EMI Calculators work?
1. ‘P’ stands for the Principal Amount. …
2. “R” stands for the bank’s set interest rate.