What will $100/month become in 10 years?

Investing $100/month for 10 years at a 7% average annual return grows to about $17,308. You'd contribute $12,000 of that yourself. The other $5,308 is compounding.

Consistent monthly investing is the engine of wealth for most people. At $1,200/year for 10 years and a 7% average annual return, you end with about $17,308. Your own contributions are $12,000; compounding does the rest.

The longer the horizon, the more compounding dominates. That's why starting earlier matters more than starting bigger. These are nominal figures, before inflation.

Assumptions

Annual return
7%
Time horizon
10 yr

Frequently asked

What does $100/month become in 10 years?

About $17,308 at a 7% average annual return.

How much of that did I contribute vs. earn?

You contribute $12,000; the remaining $5,308 is investment growth.

Every number here comes from the same engine that powers Rightmont. Model your own plan free in 60 seconds.

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