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What will $100/month become in 25 years?

Investing $100/month for 25 years at a 7% average annual return grows to about $81,007. You'd contribute $30,000 of that yourself. The other $51,007 is compounding.

Consistent monthly investing is the engine of wealth for most people. At $1,200/year for 25 years and a 7% average annual return, you end with about $81,007. Your own contributions are $30,000; 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
25 yr

Frequently asked

What does $100/month become in 25 years?

About $81,007 at a 7% average annual return.

How much of that did I contribute vs. earn?

You contribute $30,000; the remaining $51,007 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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