Tax & Salary Calculators
Know exactly what you keep. These free tools estimate your income tax and take-home pay, convert any wage to a yearly salary, and work out sales tax, VAT and the tax on a sale — clearly and without signup.
Income Tax Calculator
Estimate your federal tax, take-home pay and effective rate from income and filing status.
Salary Calculator
Convert pay between hourly, weekly, monthly and yearly in one place.
Paycheck Calculator
Your net take-home pay after federal tax and FICA.
Self-Employment Tax Calculator
The 15.3% Social Security and Medicare tax on self-employment income.
Capital Gains Tax Calculator
Short- and long-term tax on your investment profit, plus your net gain.
VAT Calculator
Add or remove value-added tax from a price at any rate.
Sales Tax Calculator
Sales tax and total on a purchase, or reverse a tax-inclusive price.
Car Sales Tax Calculator
Sales tax and drive-away cost with trade-in and rebate.
UK Take-Home Pay Calculator
Your UK net pay after income tax and National Insurance, 2025/26.
Australia Take-Home Pay Calculator
Your Australian net pay after tax, the Medicare levy and super.
A complete guide to CalcCopilot's tax & salary calculators
Tax is where a headline number and the money that actually reaches your bank account drift apart. A $60,000 salary is never $60,000 in take-home pay; a $1,000 stock gain is not $1,000 after the sale; and the price on a shelf is rarely the price at the till. These calculators exist to close that gap — to turn a gross figure into the net one that matters, and to show the deductions and taxes in between so nothing is a surprise. Whether you are an employee reading a payslip, a freelancer setting money aside, an investor booking a gain, or a shopper reversing a receipt, there is a tool here that gives you a realistic answer in seconds.
A quick word on how tax actually works, because it trips up almost everyone: income tax in most countries is progressive, meaning only the slice of income inside each band is taxed at that band's rate. Your marginal rate is what the next dollar is taxed at; your effective rate — total tax divided by total income — is always lower, and it is the honest measure of your real burden. These calculators show both, so you stop fearing a raise that "pushes you into a higher bracket." Only the portion above the threshold is taxed more; the rest is untouched.
For employees: take-home pay and offers
If you earn a salary, three tools cover almost everything. The income tax calculator estimates your federal tax, take-home pay and effective rate from your income and filing status, so you can see where your money goes before the year even starts. The paycheck calculator narrows that down to a single payslip, subtracting federal tax and the FICA payroll taxes (Social Security and Medicare) to show the net figure that actually lands each pay period. And when you are weighing a job offer or a raise, the salary calculator converts pay between hourly, weekly, monthly and yearly in one place, so a "$28 an hour" role and a "$55,000 a year" role can finally be compared on equal terms.
Readers outside the United States are covered too. The UK take-home pay calculator applies income tax and employee National Insurance to show net pay under the current tax code, and the Australia take-home pay calculator factors in the Medicare levy and superannuation. Each uses the rules of its own country rather than forcing a US model onto everyone.
For the self-employed
Working for yourself brings a tax that employees never see in full. Because there is no employer to pay half of Social Security and Medicare, the self-employed cover both halves — a combined 15.3% on net earnings (12.4% for Social Security up to the annual wage cap, plus 2.9% for Medicare with no cap). The self-employment tax calculator works out exactly how much of your profit to set aside for this, which is the single most common thing new freelancers underestimate. Knowing the number early means no nasty shock at filing time and a smoother quarterly-payment habit.
For investors: capital gains
Selling an asset for more than you paid creates a capital gain, and how long you held it changes the tax dramatically. The capital gains tax calculator separates short-term gains (on assets held a year or less, usually taxed like ordinary income) from long-term gains (held longer, taxed at lower preferential rates), and shows your net profit after tax. That distinction alone is often worth thousands, and seeing it in numbers is the best argument for holding a winning investment a little longer where it makes sense.
For shoppers and sellers: sales tax and VAT
Consumption taxes are simple in theory and fiddly in practice, especially when you need to work backward from a total. The sales tax calculator adds tax to a price or reverses a tax-inclusive total to find the pre-tax amount — handy for expense reports and bookkeeping. The VAT calculator does the same for value-added tax at any rate, the system used across the UK, EU and much of the world; unlike US sales tax, VAT is built into the shelf price, so removing it correctly matters for invoices and refunds. And because vehicles have their own quirks, the car sales tax calculator handles trade-in credits and rebates to give the true drive-away cost, which is often what decides whether a deal fits your budget.
What makes CalcCopilot's tax calculators different
- Marginal and effective, both shown. The tools make the difference between your top rate and your real average rate obvious, which is the key to understanding your own tax and to planning sensibly.
- Country-aware. Separate US, UK and Australian take-home tools respect each country's own rates, thresholds and levies instead of pretending one set of rules fits everyone.
- Reverse calculations built in. Need the pre-tax price behind a total, or the gross salary behind a take-home figure? These tools work backward as easily as forward.
- Private and instant. Your income and figures never leave your browser — no sign-up, nothing stored — and results appear the moment you press Calculate.
- Transparent method. Each page explains the formula and the assumptions it makes, so you know exactly what is and is not included before you rely on the number.
How to choose the right calculator
| If you want to… | Start here |
|---|---|
| See your take-home pay (US) | Paycheck, Income Tax |
| See take-home pay (UK / Australia) | UK, Australia |
| Compare a job offer | Salary |
| Budget as a freelancer | Self-Employment Tax |
| Work out tax on an investment sale | Capital Gains |
| Add or remove sales tax / VAT | Sales Tax, VAT |
| Price a car with trade-in | Car Sales Tax |
Estimates only — not tax advice. Rates, bands and thresholds change from year to year and vary by location, so confirm the current figures for your area, or check with a tax professional, before you rely on them.
Getting an accurate take-home or tax estimate
Tax calculators give their best answers when you feed them precise inputs, and a few habits make a real difference. First, be clear whether a figure is gross or net before you type it in — mixing the two is the most common source of a wildly wrong result. Enter your gross, pre-tax salary where the tool asks for it, and let the calculator do the subtracting.
Second, get your filing status and location right. In the US, whether you file single, married or head of household changes the bands, and state income tax ranges from nothing at all to double digits — so a federal-only estimate can fall well short of your real deduction. The paycheck calculator and income tax calculator let you account for these; outside the US, use the UK or Australian tools built for those systems.
Third, remember the deductions that happen before tax. Contributions to a workplace pension or retirement plan, health premiums and similar pre-tax items lower your taxable income, so your effective rate is often kinder than the headline bands suggest. If you are self-employed, set aside for both income tax and the 15.3% self-employment tax from every payment, ideally in a separate account, so the quarterly bill is money you have already put by rather than a shock.
Finally, treat any tax result as an estimate for planning, not a filed return. Rates and thresholds change yearly, credits and allowances vary by circumstance, and edge cases abound. For a binding figure — or anything unusual — confirm with official guidance or a qualified tax professional.
Frequently asked questions
Are these tax calculators up to date? They use current, widely-published rates and rules and are reviewed regularly, but tax law changes every year and varies by location. Treat the result as a solid estimate and confirm the latest figures for your area, or with a tax professional, before relying on them for anything important.
What is the difference between marginal and effective tax rate? Your marginal rate is the rate on your next dollar of income — the top band you reach. Your effective rate is total tax divided by total income, always lower. The income tax calculator shows both, which is the key to understanding your real burden.
Will a pay rise push me into a higher bracket and leave me worse off? No — this is the most common tax myth. Only the portion of income above the threshold is taxed at the higher rate; everything below stays taxed as before. A raise always leaves you with more after tax, just not the full amount.
Do you support countries other than the US? Yes. Alongside the US tools there is a UK take-home pay calculator with income tax and National Insurance, and an Australia version with the Medicare levy and superannuation. The VAT calculator works for any VAT country.
How much should I set aside for tax as a freelancer? A common rule is to reserve roughly 25% to 30% of profit for income tax and self-employment tax combined, more in higher brackets or high-tax areas. The self-employment tax calculator pins down the 15.3% portion so you can budget accurately.
What is the difference between sales tax and VAT? US sales tax is added at the till and shown separately; VAT, used in the UK, EU and much of the world, is built into the shelf price at each stage of production. The sales tax and VAT tools each handle adding and removing their own tax.
How is tax on a capital gain worked out? It depends on how long you held the asset: short-term gains of a year or less are usually taxed like ordinary income, while long-term gains get lower preferential rates. The capital gains tax calculator separates the two and shows your net profit.
Can I work backward from a take-home figure or a tax-inclusive price? Yes. The salary and paycheck tools help you see the gross behind a net, and the sales tax and VAT calculators reverse a tax-inclusive total to find the pre-tax amount — handy for invoices, expenses and bookkeeping.