Business & LLC Calculators
6 free calculators — all 50 states
Calculate LLC costs, self-employment taxes, business entity comparisons, startup costs, and break-even analysis.
All Calculators
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.
Profit Margin Calculator
Calculate gross, operating, and net profit margins. See markup, break-even revenue, and compare margins across your business.
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 6 calculators are free to use, require no sign-up, and provide instant results based on verified data from official government agencies.
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.