A loan is a contract between a borrower and a lender in which the borrower receives an amount of money (principal) that they are obligated to pay back in the future. Most loans can be categorized into one of three categories:
- Amortized Loan: Fixed payments paid periodically until loan maturity.
- Deferred Payment Loan: Single lump sum paid at loan maturity.
- Bond: Predetermined lump sum paid at loan maturity (the face or par value of a bond)
Amortized Loan: Fixed Amount Paid Periodically
Many consumer loans fall into this category of loans that have regular payments that are amortized uniformly over their lifetime. Routine payments are made on principal and interest until the loan reaches maturity (is entirely paid off). Some of the most familiar amortized loans include mortgages, car loans, student loans, and personal loans. The word loan will probably refer to this type in everyday conversation.
Below are links to calculators related to loans that fall under this category, which can provide more information or allow specific calculations involving each type of loan. Instead of using this Loan Calculator, it may be more useful to use any of the following for each specific need:
- Mortgage Calculator
- Auto Loan Calculator
- Student Loan Calculator
- Personal Loan Calculator
Deferred Payment Loan: Single Lump Sum Due at Loan Maturity
Many commercial loans or short-term loans are in this category. Unlike the first calculation, which is amortized with payments spread uniformly over their lifetimes, these loans have a single, large lump sum due at maturity. Some loans, such as balloon loans, can also have smaller routine payments during their lifetimes, but this calculation only works for loans with a single payment of all principal and interest due at maturity.
Bond: Predetermined Lump Sum Paid at Loan Maturity
This kind of loan is rarely made except in the form of bonds. Technically, bonds operate differently from more conventional loans in that borrowers make a predetermined payment at maturity. The face, or par value of a bond, is the amount paid by the issuer (borrower) when the bond matures, assuming the borrower doesnt default. Face value denotes the amount received at maturity.
Loan Basics for Borrowers
Interest Rate Nearly all loan structures include interest, which is the profit that banks or lenders make on loans. Interest rate is the percentage of a loan paid by borrowers to lenders. For most loans, interest is paid in addition to principal repayment. Loan interest is usually expressed in APR, or annual percentage rate, which includes both interest and fees.
Compounding Frequency Compound interest is interest that is earned not only on the initial principal but also on accumulated interest from previous periods. Generally, the more frequently compounding occurs, the higher the total amount due on the loan. In most loans, compounding occurs monthly.
Loan Term A loan term is the duration of the loan, given that required minimum payments are made each month. The term of the loan can affect the structure of the loan in many ways. Generally, the longer the term, the more interest will be accrued over time, raising the total cost of the loan for borrowers, but reducing the periodic payments.