Before starting your search for house or condos, it is important for you to compare different mortgages rates in advance. In the end, the rate you pay will determine the interest amount you need to pay throughout whole term. This mortgage calculator lets you evaluate the cost difference in nominal terms between two rates of interest over an extended period of time. It also provides the value at present as well as value difference. It can be an accurate estimate of the amount of rebate you can expect from an effective cashback rate.