IRSReliefGuideTax Debt Relief Tools
What the IRS actually charges

Owe the IRS? Know the numbers.

The IRS balance on your notice is usually wrong, because it does not include what has been accruing since. These tools show your actual running balance with penalties and interest, give you a rough sense of whether you might qualify for an offer in compromise, and price out a payment plan.

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Quick tax debt estimate

Estimated total owed

Total balance -
Penalties -
Interest (~8%/yr) -
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IRS penalty and interest estimates. Runs in your browser, no data leaves this page.
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● Built on published IRS penalty rules● Nothing you enter leaves your browser● Works on phone, tablet or desktop● No account, no fee
Four ways to size this up

IRS Tax Debt Tools

See your options before you call a relief company.

Tax Debt Calculator

Your running total: principal, failure-to-pay penalty, and compounding interest together.

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Offer in Compromise Calculator

Estimate what the IRS would consider your "reasonable collection potential" before accepting an offer.

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IRS Payment Plan Calculator

Estimated monthly payment on a standard 72-month installment agreement.

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Penalty & Interest Calculator

Failure-to-file runs at 5% per month. Failure-to-pay runs at 0.5%. They are not the same thing.

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Tax-relief ads sell urgency. Numbers sell solutions.

The IRS has a 10-year window to collect most tax debt, and most people who owe money have at least two or three legitimate paths forward. These tools show your actual running balance with penalties, give you a rough sense of whether you might qualify for an offer in compromise, and price out a payment plan, so you can size up any "relief" pitch against what the numbers actually say.

What drives the number on your notice

Three things push an IRS balance up, and only one of them is the tax itself. The failure-to-pay penalty applies whenever a return is filed but the balance isn't, and it builds every month the debt sits open. The failure-to-file penalty is the one that does real damage: it only applies if you never filed at all, and it accrues far faster than the failure-to-pay charge, which is the whole reason "file even if you can't pay" is the first rule in every guide on this site. Interest sits on top of both and compounds daily rather than monthly, so it keeps working even in months where neither penalty grows. None of the three cap out at the same point, and the failure-to-file penalty can fold into the failure-to-pay calculation once a return is finally in, which is part of why two people with the same original tax bill can owe noticeably different totals a year later.

The practical effect: the date you file matters more than the date you pay. A return filed on time with no payment attached avoids the larger penalty entirely, even if the balance sits unpaid for months afterward.

A walk through the math, using this site's own calculator

The tax debt calculator above runs on three inputs: the balance owed, how many months it's been outstanding, and whether the return was filed on time. Enter a balance and watch the three result lines move independently. The failure-to-pay line grows in a straight line against the months field. The failure-to-file line stays at zero the moment you switch "Filed on time" to yes, which is the single biggest lever in the whole tool. The interest line moves the least month to month but never stops, since it's calculated against the running balance rather than the original amount.

The tool uses a fixed annual interest figure to keep the estimate simple, but the real IRS underpayment rate is reset every quarter and was not the same in Q2 2026 as it was in Q3, per the IRS's own published rate table. Treat the interest line as directional, useful for comparing "what if I wait six more months" against "what if I set up a plan now," rather than as the exact number that will show up on a future notice. The penalty percentages track published IRS rules more closely and are the more reliable part of the estimate.

When a calculator stops being enough

These tools are built for one job: turning a confusing notice into a number you can act on. They are not built to tell you which relief program to apply for, and that's a real limit, not false modesty. An offer in compromise depends on a "reasonable collection potential" formula that weighs your income, assets and expenses in ways a homepage estimator can only approximate. Currently Not Collectible status has no published dollar threshold at all; it comes down to an IRS financial review under its Collection Financial Standards. Both determinations are made by an actual person at the IRS, not a formula you can fully replicate at home.

Get professional help when the balance is large enough that a wrong guess is expensive, when you're self-employed or have business tax debt layered on top of personal debt, or when the IRS has already sent a levy or lien notice rather than a routine bill. A licensed CPA or a tax attorney can pull your actual account transcript and negotiate against real numbers instead of estimates. The tax relief guide walks through which of the IRS's own programs tend to fit which situations, and it's worth reading before you pay anyone a retainer to do the same reading for you.

Official resources

Authoritative U.S. government sources for further reading and to verify the figures on this page:

What people ask about IRS payment plans

How much will the IRS accept for payment plans?

The IRS does not publish a fixed minimum. For balances at or below $10,000, plans are generally approved without a financial review. For larger amounts, the IRS typically expects you to pay the full balance owed, including interest and penalties, within 72 months, so the monthly figure depends on your total. Call 1-800-829-1040 or apply at IRS.gov to see what fits your situation.

How hard is it to get a payment plan with the IRS?

For most people, it is straightforward. If you owe $50,000 or less in combined tax, penalties, and interest, and have filed all required returns, you can apply through the IRS online payment agreement tool in a few minutes. Balances above $50,000 require a Form 9465 and financial disclosure. A tax professional is worth consulting if the numbers are large or the situation is complicated.

What if I owe the IRS money and can't pay?

File on time regardless. The failure-to-file penalty is 5% per month, which adds up fast, and filing does not require you to pay. Once the return is in, you can ask for an installment agreement, apply for an Offer in Compromise if you believe the IRS cannot realistically collect the full amount, or request Currently Not Collectible status if you are facing genuine financial hardship. All of these options are available directly through IRS.gov.

Is an IRS payment plan a good idea?

A payment plan stops the IRS from pursuing more aggressive collection actions and buys you a predictable timeline. It is not free money, though. Interest and the failure-to-pay penalty keep accruing until the balance is gone, so the total cost over 72 months will be higher than the original amount owed. Worth doing the math first. A licensed tax professional can help you compare it against other options.