Financial Calculators
Nine essential money calculators — compound interest, loan payments, debt payoff, savings goals, ROI, freelancer taxes, FIRE (financial independence), side hustle profit, and crypto dollar-cost averaging. All math runs locally in your browser.
Debt Payoff Calculator
Enter one or more debts. With multiple debts, you'll see an avalanche vs. snowball comparison.
Results
Freelancer Tax Estimator (2025 US)
Tax Estimate
Federal Tax Bracket Breakdown
This is an estimate for informational purposes only. Consult a tax professional for advice specific to your situation.
FIRE Calculator (Financial Independence)
Calculate your FI number, years to financial independence, and the four withdrawal tiers (Lean, Regular, Fat, Coast FIRE).
FIRE Summary
Year-by-Year Growth
Side Hustle Profit Calculator
Calculate true profit, effective hourly rate, and time-value-adjusted return on a side hustle. Factors in taxes, expenses, platform fees, and opportunity cost.
Side Hustle Breakdown
Crypto DCA (Dollar-Cost Averaging) Calculator
Model a dollar-cost-averaging strategy. Enter your buy price sequence or use a constant average growth assumption. Compare against lump-sum buying.
DCA Simulation
Buy History (price path is deterministic sine wave + trend)
This is a deterministic simulation for education only, not investment advice. Real crypto markets do not follow smooth paths.