Free investment tools

Start with these 3 value tools — no signup required. Create a free account later to save your portfolio and run the simulator with your real data.

Start with these 3

Contribution simulator

Simulate how to allocate your monthly contribution across asset classes.

Price ceiling

Estimate a maximum fair buy price for stocks and REITs.

Investable income

Calculate how much of your income is left to invest each month.

More free tools

How much to invest monthly

Find a realistic monthly investment amount based on your income.

Use freely: account only when it helps

The calculators are public and free. Create an account when you want to save a portfolio, track price ceilings, and turn a simulated amount into buy suggestions.

Learn on the blog

Practical guides with links to the calculators. Start with investable income and a dividend yield price ceiling.

Read: How to calculate investable income →Read: How to calculate a dividend yield price ceiling →Read: How to use the contribution simulator →Read: How much to invest monthly (50/30/20) →See all articles →

Frequently asked questions

Are Portfolio Ceiling tools free?+

Yes. Investable income, monthly investment, contribution simulator, and price ceiling calculators are free and do not require a credit card.

Why create an account after using a calculator?+

A free account lets you save your portfolio, log trades, view the dashboard, and run the simulator with your real allocation instead of a generic estimate.