Free Finance Calculators
for Smart Investors

See when you'll hit $100K, $500K, $1M — with growth chart, milestone timeline, cost-of-waiting analysis, and historical S&P 500 returns.

Get your exact Freedom Day, FI number, and Monte Carlo survival rate. 4 FIRE types, 1,000 market simulations, Coast FI detector.

Your exact debt freedom date, snowball vs avalanche race, and live daily interest cost counter. 6-dimension debt health grade.

See exactly where your net worth ranks for your age using Federal Reserve SCF 2022 data. Wealth tier identity, 6-dimension Report Card, and 30-year growth projections.

The honest mortgage vs rent showdown: full amortization, PMI auto-removal, opportunity cost engine, hidden costs reveal, 5×5 sensitivity heatmap, and break-even timeline.

See the compounding cost of every raise you didn't negotiate. Career fork visualization, negotiation ROI, job-hop calculator, 6-dimension career report card.

Grade your portfolio across 6 dimensions. 8-axis radar chart, fee drag devastation calculator, efficient frontier analysis, rebalancing action plan, and historical backtest.

Calculate exact shares from risk %, entry, stop loss & take profit. 3 sizing methods, Kelly Criterion, Monte Carlo equity curve, losing streak stress test.

Interactive payoff diagrams, 16 pre-built strategies, live Greeks dashboard, P&L heatmap, probability of profit, and time decay timelapse animation.

Should you invest all at once or spread it out? 1,000 Monte Carlo simulations, S&P 500 backtesting from 1970, regret analysis, cash drag calculator, and 6-dimension strategy report card.

Discover your TRUE hourly rate after taxes, expenses, and unbillable hours. Rate waterfall chart, salary equivalence engine, billable hours breakdown, market positioning, and 6-dimension report card.

Create professional invoices with custom branding, QR payment codes, and instant PDF export. 4 premium templates, multi-currency, quality scorecard, and revenue dashboard.

Analyze any deal: cap rate, CoC return, DSCR, cash flow waterfall, 10-year equity projection, 5 investor rules, sensitivity heatmap, and 6-dimension deal report card.

Grade your spending against the 50/30/20 rule & find money leaks

See what you actually keep after SE tax, federal, state & deductions

Find your retirement gap, run Monte Carlo simulations & optimize Social Security

Compare up to 5 loans side by side — true cost, APR, equity race & rate shock simulator

See how long your credit card really takes to pay off — and how $100 extra changes everything

When will I be a millionaire? Live countdown, mountain path, peer percentile & speed-up plan

A–F letter grade for your personal finances across 10 dimensions. Age-cohort percentile, weakest-link detection, dollar-cost action plan.

Solve for the exact future tax rate where Roth ties Traditional. Sensitivity heatmap, state-tax arbitrage, RMD pressure, Social Security trap.

Per-position wash sale scanner (§1091), ETF substitute suggester, $3K ordinary offset, indefinite carryforward bank, 50-state stack, crypto exemption mode.

Separates contribution, growth & withdrawal tax savings, models the shoebox strategy, reveals the FICA bonus, and races the HSA against a 401(k) through the age-65 crossover.

10,000-path stress test — sequence-of-returns risk, Max SWR solver, Guyton-Klinger guardrails, glide path, red-zone heatmap, and historical shocks.

Risk-adjusted 3-way race — payoff vs invest vs 50/50 hybrid — with Sharpe ratio, tax-location priority, emergency-fund gate, lump-sum mode, and recast vs prepay.

Detect the 22% supplemental withholding gap vs your true tax — with $1M cliff, double-trigger IPO, Additional Medicare surtax, state stack, and quarterly 1040-ES forecast.

3-way strategy duel (avalanche / hybrid / snowball) with a behavioral discipline score, stick-with-it probability, balance-transfer compare, and a freedom-date duel across methods.

DIME method vs Human Life Value second opinion, with a term-length recommender, stay-at-home parent value, premium band, and peer percentile.

Layoff runway engine — stacks severance + state unemployment + COBRA on your fund and finds the exact date savings run out. Industry-adjusted by tech, finance, and seniority.

Your real rate of return via the Fisher equation, with nominal vs real wealth curves, 4 inflation regimes, the phantom capital gains tax, a TIPS decision, and a 1970s stress test.

See the wealth path you didn't take. Compare investments, pay-debt-vs-invest, big purchases, and career choices — with a worked formula, real examples, and forgone-wealth presets.

See if a refi is worth it: a break-even stopwatch that counts the balance you owe at sale, points payback, the cash-out effective rate vs a HELOC, the no-closing-cost crossover, and a tenure gate.

Reverse-solve the house you can afford from income, debts, down payment and rate, with the binding-constraint reveal, 28/36 vs FHA vs DU limits, full PITI with PMI, and a debt-paydown solver.

See your interest savings and what federal protections you'd forfeit (RAP safety net, PSLF, deferment), plus fixed-vs-variable risk and the refi-private, keep-federal hybrid.

Back-to-back leases vs one car you keep: total cost over your real horizon, cost per mile, resale equity, mileage overage, money factor to APR, business mode, and the year buying pulls ahead.

Watch your income fill the seven 2026 brackets one at a time. Marginal vs effective rate, standard vs itemized, the Child Tax Credit with its phaseout, and whether your withholding lands a refund or a bill.

One day decides the rate. See the exact date your gain turns long-term and what waiting is worth, the 0/15/20% bands stacked on your income, the 3.8% NIIT surtax, recapture, the home-sale exclusion and your state on top.

What actually lands in your account: every withholding line itemised, the real cost of a pre-tax dollar, a refund-or-bill gauge on your W-4, all 51 states, hourly or salary, weekly to annual.

The smallest amount you can legally send the IRS each quarter: your safe-harbor floor, four 1040-ES vouchers with dates, the Form 2210 penalty accruing by the day, and Schedule AI for seasonal income.

Put every savings goal on one budget — sinking funds, vacation, wedding, car — and find the order that hits every deadline instead of adding up separate calculators.

Find the employer match you are leaving behind. Tiered and safe-harbor formulas, the front-loading true-up trap, vesting forfeit on a quit date, 2026 catch-up limits and a balance projection.

Find your best claiming month out of all 97 between 62 and 70 — break-even age, spousal and survivor benefits, the 2026 earnings test, benefit taxation, and a 2032 trust-fund stress test.

Required minimum distributions across every account you own or inherited — the aggregation rules that decide which account pays, the tax torpedo, the IRMAA cliff, and the QCD, Roth-conversion and QLAC levers that shrink them.

See what your CD really earns after tax, what breaking it costs at your bank, the month your principal stops being at risk, and whether a T-bill, savings or a ladder beats it.