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What Are Quarterly Estimated Taxes? Due Dates and Who Pays

How freelancers and side hustlers pay tax as they go — and avoid a penalty.

By Updated Reviewed by a finance expert

Due dates

Income earned Payment due
January 1 – March 31 April 15
April 1 – May 31 June 15
June 1 – August 31 September 15
September 1 – December 31 January 15 (next year)

When a date falls on a weekend or holiday, it moves to the next business day. Payments are made with Form 1040-ES or online through IRS Direct Pay or your IRS online account. Many states have their own estimated tax payments too.

How much to pay

Estimate your yearly tax — income tax plus self-employment tax — subtract any withholding, and divide by four. The self-employment tax calculator gives you a quarterly figure and a monthly amount to set aside.

Safe harbor

You generally avoid the underpayment penalty if your withholding and estimated payments add up to at least 90% of this year's tax or 100% of last year's tax (110% if your adjusted gross income was over $150,000).

Make it painless

Move a fixed percentage of every payment you receive into a separate tax account the day it arrives. Our guide on how to pay yourself as a small business owner shows a simple system.

Frequently asked questions

Who has to pay quarterly estimated taxes?

Generally anyone who expects to owe at least $1,000 in federal tax for the year after withholding and refundable credits — most often freelancers, self-employed people, landlords and investors.

What happens if I miss a quarterly payment?

The IRS may charge an underpayment penalty, calculated like interest on the amount that was late. Paying as soon as you can reduces it.

Can I avoid the underpayment penalty?

Yes, by meeting a safe harbor: pay at least 90% of this year's tax, or 100% of last year's tax (110% if last year's adjusted gross income was over $150,000), through withholding and estimated payments.

Written by

Emma Whitfield

Finance Specialist & Editor, VaultlyApps

Researched against primary US sources and reviewed by a finance expert on our team. Written for US readers — general education, not financial, tax or legal advice. Editorial policy · Disclaimer

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Related terms

Money glossary

Self-employment tax

Self-employment tax is the Social Security and Medicare tax that freelancers and self-employed people pay on their net earnings. The rate is 15.3% — 12.4% for Social Security and 2.9% for Medicare — applied to 92.35% of net self-employment profit.

Profit margin

Profit margin is the percentage of each sale you keep as profit after costs. A 40% margin means you keep $40 of every $100 in sales. It is calculated by dividing profit by the selling price — not by the cost, which would be markup.

Take-home pay

Take-home pay (net pay) is the money you actually receive after taxes and payroll deductions are taken out of your gross pay — federal and state income tax, Social Security, Medicare and pre-tax benefits such as 401(k) contributions and health insurance.

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