Glossary · Bookkeeping & QuickBooks term

Estimated taxes

Periodic payments — generally quarterly — that individuals and businesses make through the year on income that isn’t subject to withholding, because the U.S. tax system is pay-as-you-go.

By TechBrot · Published · Updated

§ 01 · In plain terms

What estimated taxes means.

Estimated taxes are periodic payments individuals and businesses make to the IRS — and usually their state — through the year on income that isn’t subject to withholding. The U.S. tax system is pay-as-you-go: tax is meant to be paid as income is earned, not in a single lump at filing. Employees meet that through paycheck withholding; the self-employed, business owners, and anyone with significant untaxed income (profit distributions, interest, gains) generally meet it by making estimated payments instead.

They are generally paid quarterly, on a schedule the IRS sets each year. Underpaying — paying too little, or too late — can trigger an IRS underpayment penalty even if the full balance is settled at filing, which is why estimating accurately through the year matters.

§ 02 · Why it matters

Accurate books are what make the estimate reliable.

An estimate is only as good as the numbers behind it. If the books are behind, unreconciled, or miscategorized, the income figure your CPA or EA works from is a guess — and a guess that’s too low invites a penalty, while one that’s too high ties up cash you needed. Current, reconciled books let the person calculating your estimate work from real profit, not a hopeful number.

TechBrot keeps the books accurate and current so your CPA or EA can calculate your estimated payments from real figures, and so a quarterly profit picture is there when the decision is due. We do the bookkeeping; the licensed tax professional does the math and the filing. See our bookkeeping and advisory work for how the foundation is kept.

We don’t calculate your estimated taxes — your CPA does. We make sure the books they calculate from are true.
§ 03 · A common confusion

Estimated taxes vs. payroll-tax deposits.

They are easy to confuse but flow in different directions. Estimated taxes are paid by you (or your business) to the IRS and state on your own untaxed income. Payroll-tax deposits are made by an employer remitting tax that was withheld from employees’ wages, on the employees’ behalf. One covers the owner’s income; the other is the employer passing along money it held in trust.

The amount you owe, the safe-harbor rules that protect against penalties, and the actual filing are your CPA’s or EA’s — TechBrot is a bookkeeping and advisory firm and does not calculate, advise on, or file taxes.

Put it to work

Books too far behind to estimate from?

A QuickBooks ProAdvisor brings your books current and reconciled so your CPA can calculate estimated taxes from real numbers — written fixed-fee scope.

Or send the details insteadWe reply within one business day. Written fixed-fee scope within 3 business days of your call. No hourly billing. What happens after you call
  1. 01We talk for up to 30 minutes. You tell us where the books stand; we ask the questions that decide the scope. No charge.
  2. 02We look at the file if we need to. You add us as an accountant user in your own QuickBooks file, and you can remove us at any time. If the file cannot be priced without working inside it, we say so and propose the paid diagnostic, whose fee is credited in full against the cleanup.
  3. 03You get a fixed fee in writing. What we will fix, what you will receive and one fixed fee. Nothing starts until you accept it.
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