

Homeowners insurance and property taxes are not included. Your monthly principal and interest payments would be around $763. Finally, to get "n," you would multiply your loan term by 12 to get the total number of months for your mortgage, which in this case would be 360. In this scenario, the monthly interest rate would be. Then, to calculate your monthly interest rate, or "r," you would divide the annual interest rate by 12. To calculate "P," you would first subtract 20 percent from the $200,000 home price to get a total amount borrowed of $160,000. The lender offers an interest rate of 4 percent. To see this formula in practice, let's say you're purchasing a $200,000 home with a 30-year loan and putting down 20 percent. This is the number of years of your loan multiplied by 12. n = the number of monthly loan payments.This is the annual rate that your lender provides divided by 12 months. M = the total monthly mortgage payment.If you want to calculate your monthly mortgage payment manually, or simply understand how it's calculated, use this formula: M=P Use the prepayment section to discover how prepaying will affect what you pay in interest over the life of the loan. Run different scenarios with various mortgage amounts and terms to see how it will impact your monthly payment.Sites like also offer the ability to estimate the cost of homeowners insurance based on different variables. These rates vary by structure and location, but your mortgage lender or real estate agent can provide an estimate of how much you'll pay annually. Include your estimated annual homeowners insurance.Your lender or real estate agent can also provide this information.

An estimate of annual property taxes is often included along with the listing of a property, but this info can also typically be found on the property tax assessor's website of the county in which the home is located. Input your estimated annual property taxes.The rate you receive depends on a number of factors, including your credit score, down payment, property location and more. Keep in mind that rates fluctuate frequently. Base the rate off of current mortgage interest rates. Generally, increasing the length of the mortgage repayment period will decrease your monthly mortgage payment but increase your interest payments. While the most common terms are 15 and 30 years, it's possible to get a mortgage of other lengths. Otherwise, put in an amount that reflects the range of home prices in the area where you're looking to buy. If you have a particular home in mind, use that price as your basis. For example, let's say you're considering purchasing a $250,000 home and putting 20 percent down. This is the cost of the home minus the down payment. Start by entering the mortgage amount.What to do when you lose your 401(k) match

Should you accept an early retirement offer? How much should you contribute to your 401(k)?
