📈 Compound Calculator

Enter principal, monthly contribution, annual return and years to project the future value with monthly compounding. Great for planning savings and investing: no upload.

❓ Frequently asked questions

How is compounding done?

Monthly: each month principal grows by (1+monthly rate) then the contribution is added, snowballing over time.

Is the result accurate?

It is an idealised model, ignoring fees, volatility and inflation - for planning only.

Can I model a one-time deposit?

Yes - set the monthly contribution to 0 for pure compounding.

📚 How to use

Compounding is the core of long-term wealth.

Steps

  1. Enter initial principal and monthly contribution.
  2. Enter annual return and years.
  3. Click "Calculate" to see the future value and gains.
💡 Idealised model, not investment advice.