Growth calculator
Monthly compounding, money added at the end of each month. Before fees, taxes and inflation.
Change any number and the result updates. Nothing you type leaves your device.
Three things to know.
Own the whole market
An index fund holds every company in a market, so you don't have to pick winners.
Keep the fee tiny
Look for funds with yearly fees well under 0.3%. Our fees lesson shows why it matters.
Buy every month, hold for years
Set it up once, invest automatically, and leave it alone.
20 lessons, 30 seconds each.
One idea per video. Swipe to see them all.
Tools for this topic.
Optional. Everything above stays free. Pay once, download instantly, keep forever.

Invest Simply
Know what to buy and why. Then let time work.

Monthly Money Plan
Every paycheck, planned in 10 minutes a month.
The Start Here Kit
A one-month spending tracker and a $1 a day savings challenge. Works in Excel and Google Sheets. Free to share.
Good questions.
What is an index fund?
Which one should I buy?
Is it safe?
Why not pick stocks myself?
Compounding and time
Growth on top of growth. Small amounts invested early can become far more than the money you put in.