Free paycheck, margin, sales tax & break-even calculators for business

CalcTools is a free collection of business and finance calculators built for small business owners, freelancers, and employees. Six calculators, each with multiple modes: Paycheck Calculator — W-2 and 1099 take-home pay with federal and state tax breakdowns Profit Margin Calculator — gross margin, net margin, and markup conversion Break-Even Calculator — units and revenue needed to cover costs Sales Tax Calculator — rates for all 50 US states with comparison tool ROI Calculator — return on inves...

CalcTools is a free collection of business and finance calculators built for small business owners, freelancers, and employees. Six calculators, each with multiple modes: Paycheck Calculator — W-2 and 1099 take-home pay with federal and state tax breakdowns Profit Margin Calculator — gross margin, net margin, and markup conversion Break-Even Calculator — units and revenue needed to cover costs Sales Tax Calculator — rates for all 50 US states with comparison tool ROI Calculator — return on investment with ROAS and campaign tracking Salary to Hourly Converter — annual, monthly, weekly, and hourly rate conversion Every calculator includes built-in guides explaining the formulas and concepts. The site also has 30+ blog posts covering topics like federal tax brackets, self-employment tax, profit margins by industry, and more. No signup required. No ads. Just accurate calculations.