Bogle3

What is this?

A simple calculator for the Bogleheads 3-Fund Portfolio — a low-cost, diversified investment strategy using just three index funds:

• US Total Stock Market
• International Stock Market
• Total Bond Market

This tool helps you split your investment dollars across these three funds at your preferred allocation.

How to use

1. Enter your age to auto-set stocks/bonds, or adjust slider
2. Set International % of stocks (20-40% recommended)
3. Enter investment amount
4. Select your broker to see recommended funds
5. Purchase shares at your broker to match the dollar amounts