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Free Freelance, 1099 & Solo Business Tax Calculator

Q: What is the difference between Self-Employment Tax and Income Tax?

Self-Employment (SE) tax covers Medicare and Social Security contributions. W-2 employees split this with their employer, but as a freelancer you pay the full 15.3%. Federal Income Tax is calculated separately based on your tax bracket. Freelancers must pay both.

Q: When are 1099 quarterly estimated taxes due?

The IRS operates on a pay-as-you-go system. Freelancers pay taxes four times a year: April 15, June 15, September 15, and January 15 of the following year. If you expect to owe more than $1,000, you must make these quarterly payments.

Q: How do business deductions lower my taxes?

The IRS allows you to deduct ordinary and necessary business expenses. Deductions lower your Net Business Profit, which is the number both your SE Tax and Federal Income Tax are calculated from. Tracking expenses like software, internet, and home office space directly reduces your total tax bill.

Q: What happens if I don't pay quarterly taxes and wait until April?

If you owe significant taxes and pay in one lump sum in April, the IRS will charge an Underpayment Penalty — an interest charge on money you should have submitted throughout the year. You can avoid it if your quarterly payments total at least 90% of this year's tax or 100% of last year's tax.

For freelancers, creators, contractors, and solo business owners — estimate your self-employment or dual-income taxes and see every metric update live as you type.

Based on 2026 IRS tax brackets and self-employment tax rules.

Federal estimate only. State taxes, credits, AMT, local taxes, and other personal tax items are not included.

Choose a calculator: 1099 Tax Calculator LLC vs Sole Proprietor

Your Work Status

Select your situation to see the right inputs

Expected Annual Freelance Income

$

Filing Status

Deductible Business Expenses

$

Home office, equipment, software, mileage, etc.

Tax Estimate Statement

Updates automatically as you type.

Net Self-Employment Income $0

Income minus business expenses

Self-Employment Tax $0

Social Security (12.4%)	—
Medicare (2.9%)	—
Total SE Tax	—

Federal Income Tax $0

After SE deduction & standard deduction

Total Tax Owed

$0

0.0%

Blended Tax Rate ⓘ

0%

Tax Bracket ⓘ

Estimated Quarterly Payments

Q1

$0

Apr 15

Q2

$0

Jun 15

Q3

$0

Sep 15

Q4

$0

Jan 15 '27

Where Your Money Goes

$0

Total Billed

Take-Home $0 0%

Federal Tax $0 0%

SE Tax $0 0%

Business Expenses $0 0%

Maximize your deductions

Lower your taxable income by tracking business expenses.

Plan quarterly payments

Stay ahead of IRS deadlines and avoid underpayment penalties.

Compare tax scenarios

Model different income or expense levels to optimize your take-home pay.

1099 Tax FAQ

Common questions about freelance taxes, estimated payments, and IRS rules.

What is the difference between Self-Employment Tax and Income Tax?

Self-Employment (SE) tax specifically covers your Medicare and Social Security contributions. W-2 employees split this cost with their employer, but as a freelancer, you are responsible for the full 15.3%. Federal Income Tax is calculated separately based on your overall tax bracket. Freelancers must pay both.

When are 1099 quarterly estimated taxes due?

The IRS operates on a "pay-as-you-go" system. Freelancers are expected to pay taxes four times a year. The standard deadlines are typically April 15, June 15, September 15, and January 15 (of the following year). If you expect to owe more than $1,000 in taxes for the year, you must make these quarterly payments.

How do business deductions lower my taxes?

The IRS allows you to deduct "ordinary and necessary" business expenses. This is crucial because deductions lower your Net Business Profit. Since both your SE Tax and your Federal Income Tax are calculated based on your Net Profit (not your Gross Income), tracking deductions like software, internet, and home office space directly reduces your tax bill.

What happens if I don't pay quarterly taxes and wait until April?

If you owe significant taxes and wait until the annual April deadline to pay them in one lump sum, the IRS will likely charge you an Underpayment Penalty. This acts as an interest charge on the money you should have been submitting throughout the year. Use the quarterly breakdown in our calculator to hit your targets and avoid penalties.

How To Use This Calculator

Most new freelancers learn about self-employment tax the hard way — a surprise bill in April that wipes out months of savings. This tool exists so that doesn't happen to you.

Which Calculator Should I Use?

PivotCalc has two calculators for two different questions.

1099 Tax Calculator

Estimate federal tax on freelance income.

You want to estimate federal self-employment tax.
You have 1099 or freelance income.
You want quarterly payment estimates.
You have both W-2 and freelance income.

Go to the 1099 Tax Calculator →

LLC vs Sole Proprietor Calculator

Weigh LLC cost against a few readiness factors.

You're wondering whether an LLC is worth investigating.
You want to estimate first-year and annual LLC costs.
A client or platform is asking for a registered business.
You want to think through risk, separation, and admin readiness.

Go to the LLC vs Sole Proprietor Calculator →

Using both? Estimate your net profit in the 1099 calculator first, then reuse that number as the LLC calculator's Annual Net Self-Employment Profit.

Five steps to your number

1
Enter your income. Use your best estimate of total 1099/freelance revenue for the year — it's fine to round.
2
Pick your filing status. Single or Married Filing Jointly changes your standard deduction and where each tax bracket starts.
3
Add your deductible expenses. Software, equipment, home office, mileage, contractor help — anything ordinary and necessary for the work.
4
Read the dashboard. Net income, the SE tax breakdown, federal tax, and your total all update live as you type.
5
Set aside the quarterly amount. Move it to a separate savings account on payday so the IRS due dates never catch you off guard.

What usually counts as an expense

Home office — a fair % of rent/utilities (space must be used regularly and exclusively for business)
Equipment, software & subscriptions
Business mileage at the standard rate
Accounting, legal & other professional fees
Marketing, website & domain costs
Business insurance & supplies

Avoiding the underpayment penalty

The IRS generally waives the penalty if your quarterly payments add up to the smaller of 90% of this year's tax or 100% of last year's tax. That 100% threshold rises to 110% if your prior-year AGI was over $150,000 (or $75,000 if married filing separately). Hitting either bar is usually enough breathing room.

1099 Taxes, Explained

Self-employment tax is the part that catches people off guard. As a W-2 employee, your employer quietly pays half your FICA taxes. As a 1099 contractor, you're both halves.

Self-Employment Tax

SE tax is 15.3% of your net earnings, but it's split into two pieces with different rules. The 12.4% Social Security portion only applies up to the annual wage base — anything you earn above that line is free of this particular tax. The 2.9% Medicare portion has no ceiling at all; it applies to every dollar of net earnings, no matter how high your income climbs.

One more wrinkle: the tax doesn't apply to your full net income, only 92.35% of it. That haircut roughly mirrors the deduction a regular employer would get for its half of FICA — since you don't have an employer, the IRS bakes that adjustment in for you.

High earners, take note: a separate 0.9% Additional Medicare Tax kicks in above $200,000 (Single) or $250,000 (MFJ). Those thresholds are fixed by statute, not inflation-adjusted, and aren't included in this calculator's totals.

Federal Income Tax

This is the familiar, progressive tax — only the income inside each bracket gets taxed at that bracket's rate, so a higher bracket never reaches back and taxes your earlier dollars too.

Two deductions shrink the number it's calculated on: half of your SE tax comes off the top (an above-the-line deduction that approximates the employer-side tax you'd otherwise never have to pay), and then your standard deduction comes off after that. Whatever's left is your taxable income for bracket purposes.

2026 Reference Numbers

Pulled live from the calculator's own data object below, so this table and your results never drift out of sync.

Std. Deduction · Single

—

Std. Deduction · MFJ

—

SS Wage Base

—

Single Filer Brackets

Income Range	Rate

Married Filing Jointly Brackets

Income Range	Rate

Two Calculators, Two Different Questions

PivotCalc currently has two calculators. The 1099 Tax Calculator on this page estimates your federal self-employment tax and federal income tax from your freelance income. The LLC vs Sole Proprietor Calculator is a separate tool that does not estimate tax savings — it focuses on the cash cost of forming an LLC and a few practical readiness factors: risk, client or platform requirements, financial separation, income stage, and administrative readiness. If you use both, your net profit here can carry over directly into the LLC calculator's Annual Net Self-Employment Profit field.

A default single-member LLC generally does not automatically reduce federal self-employment tax — everything explained above about SE tax and federal brackets applies the same way whether you're a sole proprietor or a single-member LLC. The LLC calculator's result is a planning signal, not legal advice, and it's worth discussing with a professional before you decide.

The Big Decision

W-2 Employee vs. 1099 Freelancer

If you are transitioning from a corporate job to freelancing, your gross pay is not your take-home pay. Here is exactly how the tax math changes when you become your own employer.

W-2 Employee

The traditional corporate setup.

FICA Taxes: You only pay 7.65% for Medicare and Social Security. Your employer pays the other half.
Tax Withholding: Taxes are automatically deducted from your paycheck by HR. You don't have to worry about estimated tax deadlines.
Expenses: You generally cannot deduct work expenses. If you buy a laptop for work, it comes out of your post-tax pocket.
Hidden Perks: Paid time off (PTO), employer-subsidized health insurance, and 401k matching.

1099 Freelancer

The independent contractor.

Self-Employment Tax: You are the employer AND the employee. You pay the full 15.3% for Medicare and Social Security.
Tax Payments: No one withholds taxes for you. You must proactively send quarterly estimated payments to the IRS.
Deductions: You can deduct business expenses (internet, hardware, travel) to drastically lower your taxable net income.
The 30% Rule: Because you pay double FICA taxes and buy your own benefits, a 1099 worker typically needs to charge 30% to 40% more than a W-2 salary to break even.

The Golden Rule of Contracting

Never accept a 1099 contract at your W-2 hourly rate. You are absorbing the tax and benefit burden. Adjust your rates up, then use our calculator to estimate your true take-home pay.

Maximize Your Profit

Deductions by Profession

Every dollar you deduct lowers your Net Income, which reduces both your Self-Employment Tax and your Federal Income Tax. Find your industry below to see what you should be tracking for your 2026 tax return.

Software & Web Developers

Hosting & Servers: AWS, Cloudflare, Vercel, DigitalOcean.
Software & Tools: GitHub Pro, IDE licenses, AI subscriptions (ChatGPT Plus, Copilot).
Hardware: Monitors, mechanical keyboards, laptop upgrades.
Domains: Registration fees and SSL certificates.
Home Office: A percentage of your rent and internet based on your office square footage, if that space is used regularly and exclusively for business.

Designers & 3D Artists

Subscriptions: Adobe Creative Cloud, Figma, Blender plugins.
Assets: Stock photos, premium fonts, 3D models, audio tracks.
Hardware: Drawing tablets (Wacom/iPad), high-GPU workstations.
Cloud Storage: Dropbox, Google Drive data upgrades.
Render Farms: Credits purchased for cloud rendering services.

Gig Economy (Uber, Doordash)

Mileage: The IRS standard mileage rate (often the largest deduction for drivers). This is generally an alternative to deducting actual vehicle expenses for the same vehicle, not both.
Phone & Data: A business-use percentage of your monthly cellular bill.
Vehicle Upkeep: Tolls and parking fees are deductible either way; costs like car washes and dash cams generally apply only under the actual-expense method.
Supplies: Insulated delivery bags, phone mounts, and passenger snacks.

Consultants, Marketers & Writers

Marketing: Website hosting, LinkedIn Premium, Google/Meta Ads.
Education: Online courses, industry certifications, business books.
Travel: Flights, hotels, and 50% of meals for client meetings or conferences.
Services: Fees paid to accountants, lawyers, or freelance subcontractors.

Tools for Freelancers, Creators & Solo Businesses

A practical starting point for the tools freelancers, creators, and solo business owners often need for business setup, taxes, and getting paid. Partner recommendations are coming soon — for now, use this as an educational guide to what to look for.

Business Setup Tools

Many freelancers, creators, and solo business owners eventually consider forming an LLC or registering a formal business entity — often once income becomes consistent, liability protection matters, or a client requires a registered business name. It isn't required for everyone; plenty of freelancers operate as sole proprietors indefinitely. If you're evaluating formation, it's worth comparing state filing fees, registered agent costs, and ongoing compliance requirements before choosing a service.

Business Formation

Compare ZenBusiness LLC formation options

→

Tax & Bookkeeping Tools

Once you're tracking 1099 income, staying organized matters as much as the numbers themselves. Bookkeeping tools can help separate business and personal spending, categorize deductible expenses like the ones covered on our Deductions page, and estimate what to set aside for quarterly payments. A simple spreadsheet is enough for some freelancers; others benefit from dedicated software as income and expenses get more complex.

Payment & Invoicing Tools

Getting paid reliably — and keeping that income separate from personal finances — is one of the most practical parts of running a freelance or solo business. Invoicing tools can help you send professional invoices, track outstanding payments, and keep a clean paper trail for tax season. A dedicated business bank account, even a free one, is one of the simplest ways to keep business and personal money from mixing.

This page may contain affiliate links, including in the Business Setup Tools section above. PivotCalc may earn a commission if you choose a partner through those links, at no extra cost to you.

This page is educational only and is not legal, tax, or financial advice.