Run the numbers yourself.
Eight practical calculators for the decisions that come up in everyday financial life. Free to use, no account required.
Financial decisions get easier when the math is visible. These tools are built for that purpose. Use them whenever a decision is in front of you, and take what you learn into the conversations that follow.
The foundation.
Budget Starter
A four-category monthly snapshot. Simple on purpose. For a complete workbook, see the full product linked inside.
Open calculator Wealth BuildingSavings Rate
What percentage of your income are you actually keeping, and what does that pace build to over 10, 20, and 30 years?
Open calculator SecurityEmergency Fund
Calculate your target reserve and see how long it takes to build at your current savings pace.
Open calculatorThe cost of borrowing, clearly shown.
Debt Payoff Planner
Enter up to 10 debts and compare the avalanche method against the snowball method side by side.
Open calculator MortgageMortgage Affordability
Full monthly and lifetime cost of a home loan, with optional extra monthly payments and lump sum scenarios.
Open calculatorBuilding for the long term.
Compound Growth
See what disciplined contributions and time can build. The math of patience, made visible.
Open calculator RetirementRetirement Projection
Project a portfolio forward to retirement and see what sustainable annual income it might support.
Open calculator Retirement AccountsRoth vs. Traditional
A side-by-side comparison of Roth and Traditional retirement accounts. Educational only, no winner declared.
Open calculatorMore tools are on the way.
The calculator library will grow as the series grows. The reader list is the best way to hear about new tools as they arrive.
The calculators on this site are provided for educational purposes only. They use general assumptions and do not constitute personalized financial, tax, or investment advice.