Free Tax & Investment Calculators for Smarter Financial Decisions
Check wash sales, calculate capital gains taxes per lot, estimate RSU vesting taxes, and plan tax-efficient selling strategies. All calculators are free with no sign-up required.
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Financial Calculators
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Wash Sale Calculator
Free IRS wash sale calculator for stocks, options, and RSUs. Check the 30-day rule with FIFO, LIFO, and specific lot support. Detects disallowed losses and calculates cost basis adjustments.
Try it nowCapital Gains Tax Optimizer
Free capital gains tax optimizer. Import Fidelity or Robinhood holdings, calculate short-term and long-term gains per lot, simulate tax loss harvesting, and plan tax-efficient selling strategies.
Try it nowRSU Tax Calculator
Calculate taxes on RSU vesting including federal, state, Social Security, and Medicare. See why 22% withholding isn't enough and plan for your tax bill.
Try it nowStock Options & ESPP Tax Calculator
Calculate taxes on ISO, NSO, and ESPP stock compensation. Compare qualifying vs disqualifying dispositions, estimate AMT exposure, and see FICA breakdown.
Try it nowTax Calculators
Estimate your 2026 federal and state tax liability with detailed bracket breakdowns. Covers all filing statuses and deductions.
Try it nowCar Lease Calculator
Calculate your car lease payment using capitalized cost, money factor, and residual value. Understand every line item to negotiate better deals.
Try it nowLease vs Buy Calculator
Should you lease or finance? Compare monthly payments, total cost of ownership, and find the best deal for your next car.
Try it nowMortgage Calculator
Calculate monthly mortgage payments with full amortization schedule. Compare fixed vs ARM loans and see PMI costs.
Try it nowRent vs Buy Calculator
Compare renting vs buying with hidden costs included. See which option is best including opportunity cost analysis.
Try it nowLatest Articles
Expert insights on personal finance and investing
Stock Options & ESPP Tax Guide: How ISOs, NSOs, and ESPP Shares Are Actually Taxed (2026)
Learn exactly how NSOs, ISOs, and ESPP are taxed at exercise and sale. Includes qualifying vs disqualifying dispositions, AMT rules, ESPP lookback, and worked examples with 2026 tax rates.
Wash Sale Rules Complete Guide (2026): Every Scenario Explained with Examples
The IRS wash sale rule disallows your loss deduction when you buy back a substantially identical security within 30 days. This guide covers every scenario—direct repurchases, DRIPs, IRAs, options, spousal accounts, and more—with concrete dollar examples.
SALT Deduction 2026: The New $40,000 Cap and What It Means for You
The SALT deduction limit jumped from $10,000 to $40,000 starting in 2025. Here is what homeowners in high-tax states need to know about the new cap, the income phaseout, and whether itemizing finally makes sense again.
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