A quarterly bonus is extra pay your employer issues every three months based on performance, calculated as a percentage of your base salary and adjusted up or down depending on how you, your team, and the company performed against goals set at the start of the quarter. It sits on top of your regular wages, it is almost never guaranteed, and the fine print around taxes, overtime, and eligibility matters more than most employees realize.
How the Payout Is Calculated
The anchor number is your “target bonus,” expressed as a percentage of annual base salary. A 5% target on a $100,000 salary works out to $1,250 per quarter if you hit expectations across the board. Beat the targets and the payout grows; miss them and it shrinks or disappears.
Most plans split that target across three weighted tiers:
- Individual performance, tied to your own role and often weighted heaviest at roughly 40%–60% of the total.
- Department performance, covering metrics like client retention or on-time delivery for your team, usually weighted around 20%–30%.
- Company performance, covering revenue or profitability for the whole organization, usually around 15%–25%.
Each tier gets its own achievement score. Hit 80% of a company revenue goal and that tier pays 80% of its share. Beat your individual quota by 120% and the individual tier pays 120%, unless the plan caps overachievement, which most do at 150% or 200% of target. Plans also set floors: fall below something like 75% of a goal and that tier may pay nothing. Multiply each tier’s weight by its achievement, add them up, and apply the result to your target. A $2,500 target at a blended 90% achievement produces a $2,250 gross payout.
Is It Really “Discretionary”?
Employers often call quarterly bonuses discretionary, but under federal labor law most of them aren’t. A bonus qualifies as discretionary under the Fair Labor Standards Act only when both the decision to pay and the amount are decided at or near the end of the period, with no prior promise or formula that would lead employees to expect it.1Office of the Law Revision Counsel. 29 USC 207 – Maximum Hours The label the employer uses does not control; the structure does.2eCFR. 29 CFR 778.211 – Discretionary Bonuses
Announcing targets at the start of the quarter, tying payouts to specific metrics, or using the bonus to drive attendance, production, or retention all push the payment into the non-discretionary category.2eCFR. 29 CFR 778.211 – Discretionary Bonuses For non-exempt workers who log overtime, that matters. Non-discretionary bonuses must be rolled into the “regular rate of pay” used to calculate overtime. Because the final bonus amount is not known until the quarter closes, the employer can pay overtime at the normal rate week to week, then go back and allocate the bonus across the weeks it was earned, paying an additional half-time premium on the overtime hours worked during those weeks.3eCFR. 29 CFR 778.209 – Method of Inclusion of Bonus in Regular Rate If the retroactive true-up never shows up, the overtime was underpaid.
How It’s Taxed
The IRS classifies bonuses as supplemental wages, the same bucket as commissions, overtime pay, and severance.4Internal Revenue Service. Publication 15 (2026), Circular E, Employers Tax Guide Supplemental wages are withheld under one of two methods, and your employer picks.
Under the percentage method, the employer withholds a flat 22% for federal income tax regardless of your W-4 or bracket. Supplemental wages above $1 million in a calendar year are withheld at 37%.4Internal Revenue Service. Publication 15 (2026), Circular E, Employers Tax Guide It is the simpler option and the one most employers use.
Under the aggregate method, the bonus is combined with your regular paycheck for that period, withholding is calculated on the total as if it were one large check, and the amount already withheld on the regular wages is subtracted. The result often bites harder than a flat 22% on payday, but it tends to track closer to what you actually owe.4Internal Revenue Service. Publication 15 (2026), Circular E, Employers Tax Guide
On top of federal income tax, the bonus is subject to Social Security tax at 6.2% on wages up to the 2026 wage base of $184,500 and Medicare tax at 1.45% on all wages.5Social Security Administration. Contribution and Benefit Base Once your total wages pass $200,000 for the year, the employer must also withhold the 0.9% Additional Medicare Tax on everything above that line.6Internal Revenue Service. Topic No 751, Social Security and Medicare Withholding Rates Most states with income tax apply their own supplemental withholding rate, running roughly from 1.5% to over 11%.
Why the Flat 22% Can Leave You Short
The 22% rate is convenient but it is not calibrated to higher earners. For tax year 2026, the 24% bracket begins at $105,700 for single filers and $211,400 for married couples filing jointly.7Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026 If your income lands in the 24%, 32%, or 35% bracket, 22% withheld on the bonus won’t cover the real liability, and the gap shows up as a balance due at filing.
You can close the gap through your W-4. The form lets you report additional income not subject to withholding and claim extra amounts, and the IRS offers a Tax Withholding Estimator at IRS.gov/W4App to help you set it. If you adjust mid-year because of a bonus, the IRS recommends rerunning the estimator in early January and filing a fresh W-4 for the new year.4Internal Revenue Service. Publication 15 (2026), Circular E, Employers Tax Guide
Routing the Bonus Into a 401(k)
If your retirement plan allows deferrals from bonus pay, you can direct part or all of the quarterly check into your 401(k) or 403(b). Not every plan permits it, so check the plan document or ask HR. For 2026, the employee deferral limit is $24,500, with an $8,000 catch-up for workers 50 or older, bringing the combined limit to $32,500. Workers aged 60 through 63 get an enhanced catch-up of $11,250 instead of the standard $8,000.8Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500
Pushing bonus money into a traditional 401(k) lowers your taxable income for the year, which helps blunt the under-withholding problem. The compensation your employer can count when calculating retirement plan contributions is capped at $360,000 for 2026.9Internal Revenue Service. Notice 25-67, 2026 Amounts Relating to Retirement Plans and IRAs
Whether employer matching applies to bonus deferrals depends on how the plan defines eligible compensation. Some plans match only on regular pay; others match on all W-2 wages. If the match is calculated paycheck by paycheck, a big one-time bonus deferral can hit the annual deferral limit early and shut off match contributions for the rest of the year. Some plans correct this with a year-end “true-up,” many don’t. Worth confirming before you funnel the whole bonus in at once.
Who Qualifies, and What Happens If You Leave
Eligibility is governed entirely by the employer’s plan document. The most common rule is that you must still be actively employed on the actual payment date, not just at the close of the quarter. You can work the full three months, hit every target, and still forfeit the money if you leave before the check is cut. Many plans also require minimum tenure, so a brand-new hire may not qualify at all.
When mid-quarter hires are included, the payout is usually prorated. The standard method divides days employed during the quarter by total days in the quarter, then applies that fraction to the target bonus and adjusts for performance. A hire who started 30 days into a 90-day quarter would see roughly two-thirds of target, further scaled by achievement.
Leaving before the payment date, whether by resignation or termination, almost always triggers forfeiture under the plan’s own terms. Whether that forfeiture is actually enforceable turns on state wage law. Some states treat a bonus that has been earned through completed work as wages owed, and withholding earned wages can expose the employer to penalties. Other states defer to whatever the plan document says. If you are leaving a job close to a bonus date, read the plan and your state’s wage payment statute before you give notice.
When the Money Shows Up
Most companies pay quarterly bonuses 30 to 45 days after the quarter closes, and some plans allow up to 60 days. Finance teams need the time to close the books and verify the performance numbers. Payment usually arrives by direct deposit, either folded into a regular payroll run or sent as a separate transaction. If the plan document doesn’t spell out a timeline, ask so you can plan around the tax hit and so a delayed deposit does not get mistaken for a denial.