Compound interest calculator

Project long-term growth with detailed assumptions.

Formula
FV = P(1+r/n)^{nt} + PMT((1+r/n)^{nt}-1)/(r/n)
P Initial principal balance.
r Annual interest rate.
n Compounding periods per year.
t Total years invested.

Starting details

Begin with the basics of your savings plan.

Enter the amount you already have saved. Set the amount you add every month.

Growth assumptions

Define the rate and time horizon for compounding.

Expected yearly growth rate. How long you plan to invest.

Review projection

Review your assumptions and generate the projection.

This calculator is for educational purposes only and not financial advice.