Term plan calculators help you in calculating the premium that you will need to pay for a certain term insurance plan. For this, you need to enter certain details such as your name, age, term of the policy, lifestyle details etc. So, a term plan calculator will base its amount on various such parameters, the amount changes with a change in parameters, thus making the estimate provided by the calculator a reliable one. The premium you will estimate using the online term plan calculator will be the premium you will pay during the application process of the policy. This is also called the standard risk premium, and your proposal could be accepted based on this amount if you fall within the standard risk profile.