Financial Calculators

Free, premium-quality calculators for every major financial decision. Real-time results, no signup required.

Mortgage Calculator

Calculate monthly payments, total interest, and amortization schedules for any home loan.

Rent vs Buy Calculator

Compare the true cost and wealth-building potential of renting vs buying a home.

Refinance Calculator

Find out if refinancing is worth it with break-even analysis and total cost comparison.

Real Estate Portfolio Calculator

Model compound growth of real estate investments with appreciation and reinvestment.

Debt Payoff Calculator

Compare snowball vs avalanche strategies side by side and find your fastest path to debt freedom.

Savings & Compound Interest Calculator

Visualize compound interest growth and plan savings goals with year-by-year projections.

Retirement Calculator

Plan for financial independence with two-phase modeling and portfolio sustainability analysis.

Solo 401(k) Calculator

Maximize self-employed retirement contributions with employee and employer deferrals.

Popular comparison guides

Snowball vs Avalanche Calculator

Compare both debt payoff methods on your actual debts. See which saves more interest and which finishes faster.

Debt Snowball Calculator

The behavioral method — pay off smallest balance first for fast wins and unstoppable momentum.

Debt Avalanche Calculator

The math-optimal method — attack highest interest rate first to minimize total interest paid.

Ask the AI Financial Advisor

Get personalized guidance powered by all eight calculators. The advisor runs the math on your behalf.

Why use our financial calculators?

Making smart financial decisions requires good data. Our calculators give you instant, accurate projections for mortgages, debt payoff strategies, compound interest, retirement planning, and real estate investing.

Every calculator features real-time updates as you adjust inputs, detailed breakdowns of the math, and actionable recommendations. Your data stays in your browser and is automatically saved between sessions.

Whether you are deciding between the debt snowball and avalanche methods, figuring out if refinancing your mortgage makes sense, or modeling renting versus buying, these tools help you see the full picture before making a commitment.