Professional-grade tools for small business owners, HR managers, and financial professionals. Free, accurate, and instant results.
Estimate take-home pay, tax brackets, and withholding
Tools for salary analysis, raises, overtime, and prorated pay
Workforce metrics, severance pay, workers comp, and hiring costs
Calculate earnings, commissions, and convert between pay rates
Pricing, margins, ROI, discounts, and investment analysis
Track work hours, time-to-decimal, and business day counting
Practical, in-depth breakdowns on payroll taxes, overtime regulations, and compensation planning.
Social Security wage base limits, Medicare surtaxes, and self-employment adjustments with worked examples.
From flat rate to tiered quotas and accelerators — avoid clawback traps and motivate sales teams.
Understanding daily 8-hour overtime, 12-hour double time, and 7th consecutive day rules.
At QuickBizCalc, we understand that accuracy is everything when it comes to payroll, commissions, and business finances. Our suite of 32+ free online calculators is designed specifically for small business owners, HR professionals, and financial analysts who need instant, reliable results without the complexity of expensive software.
Whether you are calculating a sales commission, estimating payroll taxes, or analyzing ROI for your next investment, our tools provide a transparent breakdown of formulas and worked examples.
All formulas are vetted by CPAs and Senior HR professionals in accordance with IRS Publication 15-T and federal FLSA labor regulations.
Learn about our methodology →Calculations run locally in your browser. Your salaries, employee numbers, and financial records are never saved to our servers.
Read our privacy commitment →We are constantly expanding our suite. If you have a specific business calculation you need automated, let us know.
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