Business & LLC Calculators
11 free calculators — all 50 states
Calculate LLC costs, self-employment taxes, business entity comparisons, startup costs, and break-even analysis.
All Calculators
1099 vs. W-2 Take-Home Pay Calculator
Free 1099 vs W-2 calculator. Compare real after-tax take-home pay between a W-2 job offer and a 1099 contractor rate, including self-employment tax and lost benefits.
Break-Even Analysis Calculator
Calculate your break-even point in units and revenue. See how many sales you need to cover fixed costs and start profiting.
Gig & Rideshare Driver Tax Calculator
Estimate your 2026 self-employment tax as an Uber, Lyft, DoorDash, or Instacart driver. Compares the IRS standard mileage rate vs. actual vehicle expenses and shows your quarterly estimated tax payment.
LLC vs. S-Corp Tax Savings Calculator
Free LLC vs S-Corp calculator. See how much self-employment tax an S-Corp election could save vs. staying a sole prop/default LLC, based on your reasonable salary.
Profit Margin Calculator
Calculate gross, operating, and net profit margins. See markup, break-even revenue, and compare margins across your business.
QBI (Section 199A) Deduction Calculator
Free Section 199A qualified business income (QBI) deduction calculator. See your 20% QBI deduction after the taxable-income threshold, wage/UBIA limit, SSTB phase-out, and the new OBBBA minimum deduction.
Quarterly Estimated Tax Calculator
Free quarterly estimated tax calculator for self-employed and 1099 workers. See your required IRS Form 1040-ES payment and safe-harbor amount for each due date.
Revenue Growth Calculator
Project future revenue growth using CAGR. See projected revenue, total growth, and ROI on marketing spend over multiple years.
ROI Calculator
Calculate return on investment (ROI) for any business investment. See total return, annualized ROI, payback period, and net profit.
Self-Employment Tax Calculator
Calculate self-employment tax for freelancers, contractors, and small business owners. See Social Security, Medicare, and total SE tax liability.
Startup Cost Calculator
Estimate your total startup costs including equipment, inventory, legal fees, marketing, operating reserve, and contingency. Plan your funding needs.
About Business & LLC Calculators
Calculate LLC costs, self-employment taxes, business entity comparisons, startup costs, and break-even analysis. All 11 calculators are free to use, require no sign-up, and provide instant, formula-based results — see each calculator's own methodology section below for exactly how its figures are calculated and sourced.
Each calculator includes a detailed methodology section explaining the formulas used, data sources cited with verification dates, and frequently asked questions to help you understand the results. Results are shareable and print-friendly.