OBBB Tax Calculators & Tools (2026)
Free tax calculators updated for 2026 — covering the One Big Beautiful Bill Act deductions, self-employment taxes, business write-offs, and more. No signup required.
OBBB Deductions
Overtime Tax Deduction Calculator
Calculate how much you can save with the new OBBB overtime tax deduction based on your pay, hours, and filing status.
Tips Deduction Calculator
Estimate your tax savings from the no-tax-on-tips provision for restaurant workers, bartenders, and service industry employees.
Senior Standard Deduction Calculator
See the enhanced standard deduction amounts for seniors (65+) under OBBB and calculate your additional savings.
Comprehensive OBBB Tax Calculator
All-in-one calculator covering all 6 OBBB deductions including overtime, tips, and senior provisions.
Self-Employed & Business
QBI Deduction Calculator (Section 199A)
Calculate your Qualified Business Income deduction for pass-through businesses, sole proprietors, and S-corps.
Self-Employment Tax Calculator
Estimate your Social Security and Medicare self-employment taxes on Schedule SE income.
NOL Carryforward Calculator
Calculate how net operating losses carry forward to offset future taxable income under current rules.
Self-Employed Health Insurance Calculator
Calculate your above-the-line health insurance premium deduction as a self-employed individual.
Retirement Contribution Calculator
See how much SEP-IRA, Solo 401(k), or SIMPLE contributions can reduce your taxes.
S-Corp Election Calculator
Estimate potential savings from electing S-Corp status for your LLC or sole proprietorship.
Small Business Tax Credit Estimator
Find and estimate federal tax credits available to your small business.
Itemized Deductions & Write-Offs
Car Loan Interest Deduction Calculator
Determine if your car loan interest qualifies for a business deduction and estimate the tax savings.
Home Office Deduction Calculator
Compare simplified vs. actual expense methods for your home office deduction.
Business Meal Deduction Calculator
Calculate your deductible business meal expenses under the 50% rule for 2026.
Business Travel Calculator
Estimate deductible travel expenses including lodging, transportation, and per diem rates.
Vehicle Deduction Calculator
Compare standard mileage rate vs. actual expenses for your business vehicle deduction.
Section 179 Calculator
Calculate your immediate equipment deduction under Section 179 for business assets.
Depreciation Calculator
Calculate MACRS depreciation schedules for business property and equipment.
SALT Deduction Calculator
Calculate your state and local tax deduction under the new $40,000 cap for 2026.
Tax Planning & Comparison
Estimated Tax Calculator
Calculate quarterly estimated tax payments to avoid underpayment penalties.
Payroll Tax Calculator
Calculate employer and employee payroll tax obligations including FICA and FUTA.
Filing Status Comparison Tool
Compare tax outcomes across filing statuses to find the most beneficial option.
W-2 vs 1099 Calculator
Compare the total tax impact of W-2 employment versus 1099 independent contractor work.
Hobby Loss Calculator
Determine if the IRS considers your activity a business or hobby and calculate the tax impact.
Child Tax Credit Calculator
Calculate your Child Tax Credit and Additional Child Tax Credit for 2026.
Rental Income Tax Calculator
Estimate taxes on rental income including depreciation, expenses, and passive activity rules.
Income & Family Deduction Estimator
Estimate your total deductions based on income level, family size, and filing status.
Not Sure Where to Start?
Take our 2-minute eligibility quiz to find out which OBBB deductions apply to you.
Take the Quiz →Frequently Asked Questions
What calculators does OBBB Tax Guide provide?
OBBB Tax Guide offers 25+ free tax calculators including the Overtime Tax Deduction Calculator, Tips Deduction Calculator, QBI Calculator, Self-Employment Tax Calculator, NOL Carryforward Calculator, Senior Deduction Calculator, Home Office Calculator, and more. All calculators are free to use with no signup required.
Are these OBBB tax calculators free to use?
Yes, all OBBB Tax Guide calculators are completely free. No signup, email, or payment is required. Simply enter your information and get instant results.
How accurate are the OBBB tax calculators?
Our calculators use the latest 2026 tax brackets, phase-out thresholds, and deduction limits from the One Big Beautiful Bill Act. They provide estimates based on the information you enter. For exact tax liability, consult a qualified tax professional or CPA.
Which OBBB calculator should I use first?
Start with our Comprehensive OBBB Tax Calculator if you want an overview of all deductions. If you know your specific situation — such as earning overtime or tips — go directly to the Overtime Tax Deduction Calculator or Tips Deduction Calculator for more detailed results.
Do OBBB calculators work for self-employed individuals?
Yes. We have dedicated calculators for self-employed workers including the Self-Employment Tax Calculator, QBI Deduction Calculator, S-Corp Election Calculator, and NOL Carryforward Calculator. These account for Schedule SE and Schedule C income.
All calculators are for educational purposes only and do not constitute tax advice. Full disclaimer.