Financial Calculators
Free tools to help you optimize investments, plan retirement, and minimize taxes.
Investment Fee Impact Calculator
See how expense ratios eat your returns over 30 years
Coast FIRE Calculator
Find when you can stop saving and coast to retirement
Capital Gains Tax by State
Compare federal + state capital gains tax across all 50 states
Roth Conversion Ladder Planner
Optimize yearly Roth conversions to minimize lifetime taxes
401(k) Match Optimizer
Maximize your employer match — don't leave free money on the table
BRRRR Method Calculator
Analyze Buy, Rehab, Rent, Refinance, Repeat deals step by step
Rental Property Cash-on-Cash Return
Calculate your true return on invested capital for rental properties
FIRE Number Calculator (Variable Spending)
Plan for different spending phases in early retirement
Debt Avalanche vs Snowball Calculator
Compare strategies and find the fastest path to debt freedom
Self-Employment Tax Calculator by State
Estimate your federal + state self-employment tax as a freelancer
Why Use Our Financial Calculators?
Our calculators are built by investment professionals to help you make data-driven financial decisions. Unlike generic tools, each calculator targets a specific financial strategy with the depth and accuracy you need.
Accurate Formulas
Built with real financial math, not oversimplified estimates.
100% Private
All calculations run in your browser. No data sent to servers.
Always Free
No signup, no paywall. Professional-grade tools for everyone.