Free Tax Calculators for Self-Employed Workers
Instant, IRS-aligned calculators for 1099 contractors, freelancers and gig workers. No sign-up, no data stored, no hidden fees.
Explore Our Tax & Deduction Calculators
Pick the calculator that matches your situation. All tools run entirely in your browser.
2026 Self-Employment Tax Calculator
Max IRS deductions for 1099 contractors. Calculate self-employment tax instantly.
Max Deductions2026 Quarterly Estimated Tax Calculator
Avoid IRS late penalties. Calculate quarterly estimated tax payments.
Avoid Penalties2026 1099 Tax Estimator
Calculate estimated taxes for independent contractors and gig workers.
Fast EstimateHome Office Deduction Calculator
Compare simplified vs regular method for maximum tax savings.
Max SavingsHourly to Salary Calculator
Convert hourly wage to annual salary with pre-tax and post-tax estimates.
Instant Result2026 IRS Tax Deadline Calculator
Find official tax due dates based on IRS Publication 509.
IRS OfficialMACRS Depreciation Calculator
Calculate equipment depreciation using IRS MACRS rules.
IRS Compliant2026 Sales Tax Calculator
Calculate sales tax for US states and local jurisdictions.
All StatesQuick Tax Deduction Finder
Find tax deductions you might be missing as a self-employed worker.
Missing DeductionsBuilt for Self-Employed Workers
IRS-Aligned Formulas
Every calculator follows the latest IRS rules and 2026 tax brackets so your estimates stay accurate.
Instant Real-Time Math
Change any input — income, expenses, mileage — and watch your results update instantly. No "Calculate" button required.
100% Private
All calculations happen locally in your browser. We never see your numbers, and nothing is stored on our servers.
Frequently Asked Questions
Yes. Each calculator uses the latest 2026 IRS tax brackets, self-employment tax rates, and standard deduction amounts. Figures are educational estimates, not professional tax advice.
No. Every tool on Cashbizly is 100% free and requires no sign-up, email, or account. Open a calculator, enter your numbers, and get your result instantly.
No. All calculations run locally in your browser. Your income and expense numbers never leave your device.
Absolutely. Use the calculators to model different income levels, deduction scenarios, and quarterly payment amounts. Results are estimates — always confirm with a qualified tax professional before filing.