Inheritance Income CalculatorCalculates the amount of income an inheritance may provide based on individual needs and assumptions.* Required Inheritance amount *The dollar value of the amount expected to be received. Funds to last (years) *The length of time, in years, the income is required to last. . (If unsure, use the Statistical Mortality Calculator on this site.) Interest assumption *The amount of annual interest or growth expected to be earned on the invested inheritance. If unsure, 5% is recommended and can be adjusted at a later date. Assumed tax rate *The expected average tax rate on the earnings on the investment above. If unsure, 30% is recommended and can be adjusted at a later date. Validate Email Results