Free Tax & Business Calculators

Comprehensive collection of calculators and tools designed for self-employed professionals, freelancers, and small business owners. All tools are free to use.

Deduction Tools

Can I Write Off...?

Check if any expense is tax deductible. 500+ expenses covered with IRS rules.

Tax Calculators

Sales Tax Due Dates by State

Find your state's 2026 & 2027 sales tax filing deadlines, frequency rules, and add them to your calendar.

1099 Tax Calculator

Calculate your estimated tax liability as a 1099 contractor or self-employed individual

DoorDash Tax Calculator

Estimate self-employment and income taxes on your DoorDash earnings, with mileage and Dasher-specific deductions.

Uber Tax Calculator

Estimate taxes on Uber driving income — mileage deduction, 1099-K vs 1099-NEC, and quarterly payments.

Lyft Tax Calculator

Estimate self-employment taxes on Lyft earnings with driver deductions and quarterly payment amounts.

Instacart Tax Calculator

Estimate taxes as a full-service Instacart shopper — mileage, deductions, and how much to set aside.

Uber Eats Tax Calculator

Estimate taxes on Uber Eats delivery earnings with mileage and courier-specific deductions.

Grubhub Tax Calculator

Estimate self-employment taxes on Grubhub delivery income and your quarterly payment amounts.

Amazon Flex Tax Calculator

Estimate taxes on Amazon Flex earnings — mileage deduction, 1099-NEC, and set-aside percentage.

Turo Tax Calculator

Estimate taxes on Turo car-sharing income, host deductions, and the 1099-K rules that apply.

OnlyFans Tax Calculator

Estimate self-employment taxes on OnlyFans creator income with content-creator deductions.

Twitch Tax Calculator

Estimate taxes on Twitch streaming income — subs, bits, and ads — with streamer deductions.

Self-Employment Tax Calculator

Estimate your self-employment tax obligations for Social Security and Medicare

Federal Income Tax Calculator

Calculate your 2025 federal income tax, see tax brackets, and estimate refund or amount owed

Income Tax Calculator

Calculate federal and state income tax for all 50 US states

Tax Withholding Calculator

Estimate federal and state tax withholding from your paycheck

Effective Tax Rate Calculator

Calculate your true combined federal and state effective tax rate

Capital Gains Tax Calculator

Calculate short-term and long-term capital gains taxes on investments

Quarterly Tax Calculator

Calculate estimated quarterly tax payments for any US state

Sales Tax Calculator

Calculate sales tax with state, county, and city rates for any US state

Payroll Tax Calculator

Calculate employer and employee payroll tax obligations

S-Corp Salary Calculator

Determine the optimal salary for S-Corp owners to minimize taxes

S Corp Tax Calculator

Compare sole proprietor / LLC vs S-corp taxes side by side — annual savings, break-even profit, and payroll costs for 2026.

QBI Deduction Calculator

Calculate your Section 199A Qualified Business Income deduction (up to 20% off pass-through income)

Tax Refund Estimator

Estimate your federal tax refund or amount owed based on income, withholdings, and deductions

Tax Bracket Calculator

Find your federal tax bracket, marginal rate, and see how your income is taxed across brackets

Filing Status Helper

Answer questions to determine your optimal tax filing status (Single, MFJ, HoH, etc.)

Standard vs Itemized Calculator

Compare standard deduction vs itemizing to see which saves you more on taxes

Tax Deadline Calendar 2026

View all 2026 tax deadlines filtered by entity type. Estimated payments, filing dates, extensions.

Tax Deadline Calendar 2027

View all 2027 tax deadlines for tax year 2026. Filing dates, estimated payments, extensions by entity type.

LLC Tax Calculator

Compare LLC filing fees, annual fees, and franchise taxes across all 50 states + DC

AGI Calculator

Calculate your Adjusted Gross Income with above-the-line deductions and credit eligibility

Gift Tax Calculator

Calculate gift tax, annual exclusions, and lifetime exemption usage for 2026

Earned Income Credit Calculator

Calculate your Earned Income Tax Credit based on income, children, and filing status

Married Filing Jointly vs Separately Calculator

Compare tax bills filing jointly vs separately to find which saves you more

Crypto Tax Calculator

Calculate capital gains tax on cryptocurrency trades with short-term and long-term rates

Dividend Tax Calculator

Calculate taxes on qualified and ordinary dividends including NIIT

Bonus Tax Calculator

Calculate federal withholding and take-home pay on bonus income

1099 vs W-2 Income Calculator

Compare 1099 contractor pay to a W-2 salary on the same gross — see the self-employment tax gap and break-even rate.

Estimated Tax Penalty Calculator

Estimate your IRS underpayment penalty for 2026 — safe harbors, the $1,000 exception, and per-quarter Form 2210 interest.

IRS Penalty and Interest Calculator

Estimate failure-to-file and failure-to-pay penalties plus daily-compounded interest on unpaid taxes, month by month.

Overtime Tax Calculator

See federal tax on your overtime pay and how much the 2026 No Tax on Overtime deduction (up to $12,500) saves you.

Tip Tax Calculator

Calculate income tax and FICA on your tips, plus the No Tax on Tips deduction of up to $25,000 for qualifying occupations.

Estimated Tax Due Dates

Federal quarterly estimated tax deadlines for 2026 & 2027, adjusted for weekends and holidays, with one-click calendar export.

Reverse Sales Tax Calculator

Back out the pre-tax price and sales tax from any receipt total, using 2026 state rates or a custom rate.

ACA Subsidy Calculator

Estimate your ACA premium tax credit from income, household size, and ages, and see how far you are from the 400% FPL subsidy cliff.

Business Tools

Best State to Form an LLC

Find the best LLC formation state based on where you live, operate, and optimize for cost or privacy

Business Name Generator

Generate unique business names with AI and check availability

California Business Name Checker

Check if your desired business name is available in California

Business Name Checker (All 50 States)

Check LLC and corporation name availability in any state — naming rules, reservation fees, and official registry links.

Business Loan Readiness Check

Find out if your business is ready for a funding conversation. 6-category self-assessment with a personalized action checklist.

Startup Cost Calculator

Estimate total startup costs with industry presets and state-aware LLC filing fees.

NAICS Code Lookup

Search all 2,125 official 2022 NAICS codes by keyword or number for your EIN, license, or loan application.

Business Entity Search

Find the official Secretary of State business search for all 50 states + DC — verify any company's status and filings.

Profit & Loss Statement Generator

Build a formatted P&L statement with live gross profit, operating income, and net margin. Download CSV or print as PDF.

Balance Sheet Generator

Build a balance sheet with live balance check, current ratio, and debt-to-equity. Download CSV or print as PDF.

Chart of Accounts Template

Generate a customizable chart of accounts for any business type and download as CSV for QuickBooks or Xero.

Expense Report Template

Create an expense report with mileage auto-calc, category totals, CSV export, and print-to-PDF — no sign-up.

Mileage Log Template

Generate an IRS-compliant mileage log — track trips, download CSV or print, and see your deduction at the standard rate.

Invoice Generator

Create an invoice with line items, discounts, sales tax on taxable lines and deposits. Download PDF, Word or CSV, plus 11 industry templates.

Estimate Template

Build a job estimate with labor, materials, scope, exclusions, a deposit and a valid-until date, then turn it into an invoice.

Quote Template and Quote Generator

Send a fixed-price quote with tax, a valid-until date, terms and conditions and an acceptance signature. PDF, Word or CSV.

Purchase Order Template

Create a PO with vendor, ship-to, delivery date, FOB and payment terms, line items and an authorized signature. PDF or Word.

Timesheet Template

Fill in a weekly, biweekly or monthly timesheet with breaks, overtime and pay, or print a blank one. Download as PDF, Word or CSV.

Independent Contractor Agreement Template

Build a 1099 contractor agreement with hourly, fixed or milestone pay, IP assignment and W-9/1099-NEC terms. Download PDF or Word.

Service Agreement Template

Free service agreement generator for selling services: scope, change orders, fees, acceptance, warranty disclaimer and liability cap. PDF or Word.

NDA Template (Mutual or One-Way)

Create a mutual or one-way nondisclosure agreement with exclusions, term, return of information and the DTSA notice. Download PDF or Word.

Offer Letter Template

Build a job offer letter with pay, exempt status, benefits and conditions, plus state salary and notice warnings. PDF or Word.

Employment Contract Template

Generate an employment agreement with at-will or fixed term, confidentiality, inventions and state non-compete checks. PDF or Word.

LLC Operating Agreement Template

Free state-specific operating agreement for single-member or multi-member LLCs: voting, buyouts, tax clauses. PDF or Word.

Paycheck & Income

Paycheck Calculator

Calculate your take-home pay after federal and state taxes for any US state

Take Home Pay Calculator

Calculate your net pay after taxes and deductions

Salary to Hourly Calculator

Convert annual salary to hourly rate for all 50 US states

Hourly to Salary Calculator

Convert hourly wage to annual salary for all 50 US states

Annual Income Calculator

Calculate annual income from hourly, weekly, or monthly pay

Pay Raise Calculator

Calculate the impact of a pay raise on your salary and take-home pay

Time Card Calculator

Add up hours worked from clock in and out times, minus lunch breaks, with weekly overtime and total pay

PTO Accrual Calculator

Calculate PTO and vacation accrual per pay period or hour worked, project your balance to any date, and value a payout.

Gross-Up Calculator

Find the gross amount to pay so a bonus or paycheck nets a set amount after federal, FICA, and state withholding.

Overtime Pay Calculator

Time and a half and double time pay for hourly or salaried non-exempt workers, with bonuses in the regular rate and California daily rules.

Commission Calculator

Calculate commission with flat or tiered rates, salary plus commission, draws, sales needed for a target, and real estate splits, plus taxes.

Prorated Salary Calculator

Prorate a salary for a mid-period hire, final paycheck, unpaid leave or raise by calendar days, working days or hours worked.

Deduction Calculators

Home Office Tax Deduction Calculator

Calculate your home office deduction using simplified or regular method

Mileage Deduction Calculator

Calculate your business mileage deduction using IRS standard rates

Depreciation Calculator

Calculate depreciation for business assets using various methods

Mortgage Interest Deduction Calculator

Calculate your mortgage interest deduction and compare standard vs itemized deductions

IRS Mileage Rate 2026

Official 2026 IRS standard mileage rates — 72.5¢/76¢ split year — with history back to 2015 and a quick calculator.

Mileage Reimbursement Calculator

Calculate employee mileage reimbursement at the IRS rate or a custom employer rate, with tax-free vs. taxable split.

Retirement & Investment

401(k) Calculator

Calculate how much your 401(k) will grow by retirement with contributions and employer match

Roth IRA Calculator

Calculate Roth IRA growth with 2025 contribution limits and tax-free withdrawals

RMD Calculator

Calculate Required Minimum Distributions from your retirement accounts

Pension Calculator

Estimate your pension benefits based on years of service and salary

Social Security Calculator

Estimate your Social Security retirement benefits based on earnings and claiming age

Compound Interest Calculator

See how your money grows with compound interest and regular contributions

Dividend Calculator

Calculate dividend income from your stock portfolio with DRIP projections

ROI Calculator

Calculate return on investment percentage and annualized returns

IRR Calculator

Calculate Internal Rate of Return for investment decisions

Solo 401(k) Calculator

Calculate your maximum 2026 solo 401(k) contribution with the employer piece and catch-ups, for sole props and S-corps.

SEP IRA Calculator

Calculate your maximum 2026 SEP IRA contribution and compare it against a solo 401(k) for your entity type.

HSA Contribution Calculator

Find your 2026 HSA contribution limit with catch-up and proration, plus the tax savings and per-paycheck amount to hit the max.

Financial Calculators

Net Worth Calculator

Calculate your total net worth by adding assets and subtracting liabilities

Present Value Calculator

Calculate the present value of future cash flows or payments

Future Value Calculator

Calculate the future value of investments with compound growth

NPV Calculator

Calculate Net Present Value for investment analysis

Time Value of Money Calculator

Solve for PV, FV, PMT, rate, or periods in TVM equations

APR Calculator

Calculate Annual Percentage Rate including fees to understand true loan cost

Debt & Loan Calculators

Debt Payoff Calculator

Create a debt payoff plan using snowball or avalanche method

Debt Snowball Calculator

Calculate debt payoff using the snowball method (lowest balance first)

Credit Card Payoff Calculator

Calculate how long to pay off credit card debt and total interest

Business Loan Calculator

Calculate monthly payments and total cost for business loans

SBA Loan Calculator

Calculate payments for SBA 7(a) and 504 loans

Business Calculators

Markup Calculator

Calculate selling price from cost and markup percentage

Gross Margin Calculator

Calculate gross profit margin from revenue and cost of goods sold

Profit Margin Calculator

Calculate gross profit, net profit, and profit margins for your business

Break Even Calculator

Calculate when your business will break even and start making profit

Discount Calculator

Calculate sale price, discount amount, and savings percentage

Cap Rate Calculator

Calculate capitalization rate for real estate investment analysis

LLC vs Sole Proprietorship Calculator (CA)

Compare costs and benefits of LLC vs Sole Proprietorship in California

Business Valuation Calculator

Estimate what your business is worth using SDE, revenue, and EBITDA multiples by industry.

CPA Firm Valuation Calculator

Estimate what a CPA or accounting practice is worth in 2026 with revenue, SDE, and EBITDA multiples by firm size, plus the adjustments buyers apply.

Accounting Practice Sale Calculator

Decode an offer for your accounting practice: cash at close, seller note, look-back or earnout, and rollover, at 75%, 85%, and 95% client retention.

Accounting Practice Sale Tax Calculator

Estimate what you keep after selling an accounting practice: Form 8594 allocation, capital gain vs ordinary income, installment payments, and state tax.

Equipment Loan Calculator

Calculate monthly payments plus first-year tax savings from Section 179 and bonus depreciation.

Business Line of Credit Calculator

Calculate monthly interest cost and effective APR with interest-only vs full payoff scenarios.

Working Capital Calculator

Calculate current ratio, quick ratio, and project how much working capital you'll need in 12 months.

PayPal Fee Calculator

Calculate PayPal fees for any payment type and see your net amount — or how much to charge to receive a target sum.

Stripe Fee Calculator

Calculate exact Stripe fees and net payout for domestic, international, and currency-conversion charges.

eBay Fee Calculator

Calculate eBay final value fees by category, store subscription, and promoted listings — see your true profit per sale.

Etsy Fee Calculator

Calculate Etsy listing, transaction, payment processing, and Offsite Ads fees — plus the price you need for a target profit.

Amazon FBA Calculator

Estimate Amazon referral and FBA fulfillment fees by size tier, including storage and the 2026 fuel surcharge.

Mercari Fee Calculator

Calculate Mercari's 10% selling fee on item price plus buyer-paid shipping and see your exact net proceeds.

Poshmark Fee Calculator

See Poshmark's $2.95 flat fee or 20% commission, your net earnings, and margin on any sale.

Shopify Fee Calculator

Compare Shopify plans at your sales volume — subscription plus processing costs, with the cheapest plan flagged automatically.

Per Diem Rate Calculator

Look up 2026 GSA per diem rates (lodging + M&IE) for any U.S. city and total a business trip, with the 75% travel-day rule.

Cash App Fee Calculator

Calculate Cash App fees for sending money, business payments, and instant deposits — and what you keep after fees.

Venmo Fee Calculator

Calculate Venmo goods & services, business profile, instant transfer, and credit card fees — or reverse-solve what to charge.

Square Fee Calculator

Calculate Square processing fees for in-person, online, keyed, invoice, and ACH payments — per sale or monthly volume.

Whatnot Fee Calculator

Calculate Whatnot's 8% commission and 2.9% + $0.30 processing fee on livestream sales — net earnings, margin, and breakeven.

Depop Fee Calculator

No US selling fee since 2024 — see Depop's 3.3% + $0.45 processing fee, the 12% boost fee, and your exact payout.

TikTok Shop Fee Calculator

Calculate TikTok Shop's referral fee by category plus creator commissions — net payout, margin, and breakeven price.

Employee Cost Calculator

Calculate the true annual cost of an employee, including payroll taxes, SUTA, workers' comp, benefits, and overhead, plus a burdened hourly labor rate.

Automate Your Accounting

Jupid AI Accountant tracks deductions, calculates taxes, and ensures you never overpay.