Free Financial Calculators
AlgoFinanceLab's calculator suite covers three practical areas: loans and credit (qualification, refinance break-even, and credit-score impact), AI investing (position sizing, robo-advisor fee drag, and portfolio rebalancing), and wealth management (Coast FIRE, passive income tracking, and asset allocation). Each tool is free, runs in your browser with no signup, and returns instant estimates you can use alongside our in-depth guides. Pick a category below or open any calculator to see formulas, worked examples, and FAQs that explain what the numbers mean.
Loans & Credit
Loan qualification, refinancing analysis, and credit score improvement tools.
Business Loan Qualifier
Estimate your maximum business loan amount, approval chances, and interest rate based on revenue, profit, credit score, and years in business.
Refinancing Break-Even Calculator
Calculate your monthly savings, break-even point, and total interest saved by refinancing your loan.
Credit Score Impact Analyzer
Analyze your credit score and discover actionable steps to improve it with estimated point gains.
AI Investing
Algorithmic trading position sizing, robo-advisor fee comparisons, and portfolio rebalancing.
Position Size Calculator
Calculate optimal position size, risk amount, and risk/reward ratio for algorithmic trading setups.
Robo Advisor Fee Comparison
Compare the long-term impact of different robo-advisor fees on your investment growth.
Portfolio Rebalancer
Analyse your current portfolio allocation and get buy/sell/hold recommendations to rebalance to your target.
Wealth Management
FIRE planning, passive income tracking, and asset allocation strategies.
Coast FIRE Calculator
Calculate your Coast FIRE number — the amount you need today to reach financial independence by retirement age without additional contributions.
Passive Income Tracker
Track and visualise your passive income streams and see how close you are to covering your monthly expenses.
Asset Allocation Planner
Get a recommended asset allocation based on your age, risk tolerance, and investment horizon.