Professional-grade calculators for accountants — compute taxes, payroll, profit margins, depreciation schedules, and amortization tables. Instant results, completely free.
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AI-powered tax document analysis with deduction discovery and withholding optimization
Use tool →Compare LLC vs S-Corp tax savings with side-by-side analysis, self-employment tax breakdown, and optimal salary sensitivity chart
Use tool →Calculate profit margin, markup, and selling price with batch analysis and industry benchmarks
Use tool →Calculate gross and net profit margins with markup comparison
Use tool →Build and test cron expressions visually with human-readable descriptions and next run times
Use tool →Generate detailed loan amortization schedules showing principal, interest, and balance for each payment
Use tool →Calculate cryptocurrency taxes on trades and transactions
Use tool →Estimate federal and state estate tax on an inheritance
Use tool →Calculate federal gift tax liability and track annual and lifetime gift tax exclusions.
Use tool →Estimate US federal income tax with brackets, FICA, and take-home pay
Use tool →Calculate monthly payments, interest, and amortization schedules
Use tool →Calculate mortgage payments with taxes, insurance, PMI, and amortization
Use tool →Calculate your net income after federal, state, and local taxes with detailed deduction breakdown
Use tool →See exactly where your paycheck goes — federal tax, state tax, FICA, 401(k), and take-home pay
Use tool →Calculate take-home pay with federal tax, FICA, state tax, and deductions
Use tool →Calculate federal, state, Social Security, and Medicare taxes with detailed net pay breakdown
Use tool →Calculate personal loan payments and total interest
Use tool →Calculate quarterly estimated tax payments with federal + state taxes, safe harbor rules, and payment deadlines for all 50 US states
Use tool →Calculate sales tax for any US state with multi-item and reverse modes
Use tool →Calculate self-employment tax and quarterly estimated payments
Use tool →Calculate how much a side hustle could earn you after taxes
Use tool →Calculate real estate transfer taxes, title insurance, and closing costs by state
Use tool →See which tax brackets your income falls into with effective rate
Use tool →Calculate federal tax withholding per paycheck and estimate your refund or amount owed
Use tool →Calculate Health Savings Account tax savings and investment growth over time.
Use tool →Calculate capital gains tax on investments and property
Use tool →Calculate property taxes with exemptions and multi-year projections
Use tool →Estimate annual property taxes by entering your home value, assessment ratio, and local mill rate.
Use tool →Learn how to calculate your monthly mortgage payment with the amortization formula. Includes examples, tips for getting lower rates, and a free calculator.
Read guide →Learn the two proven strategies to pay off debt fast. Compare the debt snowball and debt avalanche methods with real examples and find which approach works best for you.
Read guide →Convert hourly wage to annual salary, understand tax deductions, and calculate your actual take-home pay. Includes federal and state tax breakdowns.
Read guide →Calculate how much house you can afford based on your income, debt, and down payment. Learn the 28/36 rule and what lenders look at.
Read guide →NexTool offers a comprehensive suite of free accounting tools including tax calculators, payroll estimators, profit margin analyzers, depreciation calculators (straight-line, declining balance, MACRS), and amortization schedule generators.
Our tax calculators use current federal tax brackets and standard formulas. They provide reliable estimates for planning and quick calculations, though we recommend verifying with official tax software for filing purposes.
Yes. Our depreciation calculator supports multiple methods including straight-line, double declining balance, and sum-of-years-digits. Enter the asset cost, useful life, and salvage value to generate a complete depreciation schedule.
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