Tax answers that lead straight to the right calculator.
These pages start with the wording people use when they need help, show the short answer and assumptions, then open the matching TaxMathKit calculator.
How much should I set aside for 1099 taxes?
Estimate a 1099 tax reserve from business revenue, expenses, W-2 income, and withholding instead of relying on one generic percentage.
Read the answer and calculate →Quarterly estimated paymentsHow much should a freelancer pay in quarterly taxes?
Estimate a federal quarterly payment target for freelance income using current-year tax, prior-year tax, and expected withholding.
Read the answer and calculate →W-2 plus side incomeHow do I calculate 1099 taxes if I also have a W-2 job?
Estimate how W-2 wages and withholding change the federal tax reserve on freelance or contractor income.
Read the answer and calculate →Freelance income estimateHow much tax will I owe on $50,000 of freelance income?
See why freelance tax on $50,000 depends on expenses, filing status, other income, and withholding—and run a transparent example.
Read the answer and calculate →Paycheck and take-home payHow much will my paycheck be after taxes?
Estimate annual and per-paycheck take-home pay from salary, filing status, pay frequency, and pre-tax deductions.
Read the answer and calculate →Sales tax by locationHow do I calculate sales tax by state?
Calculate a sales-tax total from a verified state and local rate, while keeping taxability, sourcing, and ZIP-code limits visible.
Read the answer and calculate →Vehicle purchase taxHow much sales tax will I pay when buying a car with a trade-in?
Choose a registration state and estimate a vehicle purchase total with an included 2026 planning rate, price, trade-in value, and optional quote details.
Read the answer and calculate →Self-employment tax formulaHow much is self-employment tax on $60,000 of profit?
Walk through the 92.35% regular-method base, Social Security, Medicare, and the deductible employer-equivalent half.
Read the answer and calculate →VAT-inclusive priceHow do I remove VAT from a price?
Extract the net price and included VAT from a gross amount without making the common percentage-subtraction mistake.
Read the answer and calculate →Lottery winningsHow much tax is taken from lottery winnings?
Compare the common 24% federal withholding with estimated final federal tax, other income, filing status, and optional state tax.
Read the answer and calculate →California income taxHow much California state income tax will I pay?
Estimate 2025 California state income tax from income, filing status, and the California deduction without mixing in federal rules.
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