Investment
Calculator.
Project the future value of a lump sum and regular contributions with compound interest. Choose your contribution frequency and compounding schedule; the year-by-year breakdown shows how interest snowballs over time.
Compound interest with contributions
With a lump sum PV, a periodic contribution
PMT, periodic rate i = r/n, and total
periods N = n·t:
FV = PV · (1 + i)^N + PMT · ((1 + i)^N − 1) / i (end-of-period) FV = PV · (1 + i)^N + PMT · ((1 + i)^N − 1) / i · (1+i) (start-of-period)
n is the number of contribution/compounding periods
per year (12 for monthly, 52 for weekly, etc.).