Federal Quarterly Taxes 2026 – Complete Guide (IRS Form 1040-ES)

What Are Federal Quarterly Taxes?

Federal quarterly taxes are estimated tax payments made four times per year to cover:

• federal income tax
• self-employment tax

Instead of paying all taxes at once during tax season, taxpayers estimate their annual tax liability and pay in installments.

Who Needs to Pay Federal Estimated Taxes?

According to IRS guidelines, you generally need to pay estimated taxes if:

• you expect to owe at least $1,000 in federal tax
• you have income without withholding

This typically includes:

• freelancers and independent contractors (1099 income)
• gig workers (Uber, Lyft, DoorDash)
• small business owners
• online sellers (Etsy, Amazon, Shopify)
• content creators and influencers
• investors with dividends or capital gains

How Federal Quarterly Taxes Work

You estimate your total annual income and calculate the tax owed. This includes both income tax and self-employment tax if applicable.

You then divide the total estimated tax into four payments made during the year.

How to Calculate Federal Quarterly Taxes

The IRS calculation generally includes:

• total income
• business expenses and deductions
• adjusted gross income
• self-employment tax (approximately 15.3%)
• federal income tax based on tax brackets

You can use the worksheets provided in

IRS Form 1040-ES instructions and estimated tax worksheets

to calculate your payments accurately.

Form 1040-ES Explained

Form 1040-ES is the official IRS form used to calculate and pay estimated taxes. It includes worksheets for estimating your income, calculating your total tax, and determining your quarterly payments.

How to Pay Federal Quarterly Taxes

The IRS provides several official payment options:

IRS Direct Pay

You can make free payments directly from your bank account using IRS Direct Pay
.

EFTPS (Electronic Federal Tax Payment System)

You can schedule and manage payments using the

Electronic Federal Tax Payment System (EFTPS)
.

Debit or Credit Card

The IRS also allows payments by card through approved processors listed on the

official IRS payments page
.

Federal Quarterly Tax Deadlines (2026)

Estimated tax payments are due on:

• April 15, 2026
• June 15, 2026
• September 15, 2026
• January 15, 2027

What Happens If You Don’t Pay?

If you do not pay enough tax throughout the year, the IRS may charge underpayment penalties and interest on unpaid amounts. Penalties can apply even if you pay your full tax bill at the end of the year.

How to Avoid Penalties (Safe Harbor Rule)

To avoid penalties, you can follow the safe harbor rule:

• pay at least 90% of your current year tax, or
• pay 100% of your previous year’s tax

Tips for Managing Quarterly Taxes

• set aside 25%–35% of your income for taxes
• track income and expenses regularly
• adjust payments if your income changes during the year
• use IRS worksheets to estimate accurately

Federal vs State Quarterly Taxes

Federal quarterly taxes only cover IRS obligations. Most states, including California, require separate estimated tax payments.

If you live in California, you should also review how state estimated taxes work in this California quarterly taxes guide
.

FAQ

Do I have to pay federal quarterly taxes?

Yes, if you expect to owe at least $1,000 in taxes and do not have enough withholding.

What is Form 1040-ES used for?

It is used to estimate and pay federal quarterly taxes.

Can I pay federal taxes online?

Yes. You can use IRS Direct Pay, EFTPS, or approved card processors.

What happens if I underestimate my taxes?

You may owe penalties and interest, even if you pay later.

Do freelancers always need to pay quarterly taxes?

Most freelancers do, because their income is not automatically taxed.