The present value of a lump sum is the amount of money you would be willing to pay today to receive a specified sum at a specified point in the future.
The future value of a lump sum is the amount of money you would expect to receive at a specified point in the future were you to invest a specified sum today.
Both concepts depend upon three factors: the specified sum, the specified future date, and the applicable interest rate. The following calculator assumes monthly compounding only.