Understanding W4 Form to Reduce My Huge Tax Refund
I've been at my current job for about 3 years now, and it pays really well compared to what I used to make. The problem is that for the last two tax seasons, I've gotten absolutely massive tax refunds - around $13,500 each time. I honestly don't want the government holding onto my money all year just to give it back to me later. I'm pretty sure I need to adjust my W4, but I'm confused about what exactly to put on there. Am I right in thinking I can just increase my allowances or something? The form looks different than I remember from my previous jobs. Anyone know how to properly fill out a W4 so I'm not lending the IRS thousands of interest-free dollars every year? The payroll department wasn't very helpful when I asked.
19 comments


Beatrice Marshall
The W4 form changed significantly in 2020, so if you haven't updated it since then, that might be part of your confusion. There are no longer "allowances" on the new form. To reduce your refund, you have a few options on the redesigned W4: 1) Check the box in Step 2 if you have multiple jobs or a working spouse 2) In Step 3, don't claim dependents/credits if you don't have them 3) In Step 4(a), add any additional income you expect to receive 4) In Step 4(c), you can add an additional amount you want withheld But most importantly for your situation - you can use Step 4(b) to specify an additional amount you want REDUCED from your withholding. This is likely what you need. You could calculate roughly $1,100 per month based on your past refunds (13,500 ÷ 12 = 1,125). Remember that your goal isn't to owe taxes, but to get as close to zero as possible on your tax return.
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Melina Haruko
•What happens if you miscalculate and put too much in step 4(b)? Will you end up owing a ton at tax time? And does the IRS charge penalties if you end up owing too much?
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Beatrice Marshall
•If you reduce your withholding too much by putting a large amount in Step 4(b), you could end up owing taxes when you file. The goal is to get as close to zero as possible, not to swing from a big refund to a big bill. The IRS may charge an underpayment penalty if you owe more than $1,000 when you file your return AND your withholding/estimated payments were less than 90% of this year's tax or 100% of last year's tax (110% if your income is over $150,000). You can use the IRS Tax Withholding Estimator online to get a more accurate number based on your specific situation rather than guessing.
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Dallas Villalobos
I had the exact same problem last year with a massive refund! I kept trying to figure out the W4 on my own and just got confused. Finally used this AI tax tool called taxr.ai and it was super helpful. You upload your last tax return and it analyzes your withholding patterns and suggests EXACTLY what to put on your W4. It showed me I was having way too much withheld because I didn't account for my mortgage interest deduction properly on my W4. Just going to https://taxr.ai and having it analyze my return saved me from another year of overpaying. The tool even generates a custom W4 form with the right numbers already filled in that you can give to your HR department.
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Reina Salazar
•Sounds interesting but I'm terrible with filling out forms even with guidance. Does it actually fill in the form for you or just tell you what to put where? My company uses ADP and their interface for changing withholding is super confusing.
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Saanvi Krishnaswami
•How accurate was it though? I'm worried about ending up owing a bunch at tax time. Did you actually end up closer to zero when you filed?
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Dallas Villalobos
•It actually fills in the form completely for you based on your specific tax situation - you just print it and give it to HR. It even has instructions for your specific payroll system if you need to enter it yourself online through something like ADP. It was incredibly accurate for me. I went from a $9,800 refund to getting back just $340 this year. The tool lets you choose how close you want to cut it - you can even tell it you prefer a small refund as a safety buffer if you want. The whole point is you control your money instead of giving the IRS an interest-free loan.
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Saanvi Krishnaswami
Coming back to update - I took the advice about using https://taxr.ai to analyze my withholding situation. Honestly, it was eye-opening! Turns out I was massively overwithholding because of how I originally filled out my W4 when I started my job (I checked some wrong boxes about multiple jobs even though I only have one). The tool generated a completely filled-out W4 that I just handed to HR last month. Just got my first paycheck with the new withholding and I'm bringing home about $950 more each month! That's MY money that was just sitting with the IRS before. The best part is the tool showed me exactly what my expected refund/amount due will be at tax time based on the changes, so I'm not worried about owing a bunch.
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Demi Lagos
Have you tried contacting the IRS directly to get advice on your W4? I kept trying for WEEKS but could never get through to a human on their phone lines. Then I found this service called Claimyr that gets you past the IRS phone tree and to a real person really fast. I used https://claimyr.com after spending literally hours on hold with the IRS. They have this cool system that calls the IRS for you and then calls YOU when they've gotten through to someone. You can see how it works here: https://youtu.be/_kiP6q8DX5c I talked to an actual IRS representative who walked me through exactly what I needed to put on my W4 based on my specific situation. It saved me so much time and frustration.
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Mason Lopez
•Wait, you have to PAY someone to talk to the IRS? That seems ridiculous. Shouldn't they be available to help with tax questions? How does this service even work?
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Vera Visnjic
•This sounds sketchy af. Why would I trust some random service with my personal info just to talk to the IRS? Probably a scam to get your info.
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Demi Lagos
•You don't have to pay to talk to the IRS - that part is free. But getting through to them can take hours of waiting on hold, if you get through at all. Claimyr just handles the waiting part for you, and then connects you directly when a human agent is available. The service doesn't ask for any personal tax information. They just call the IRS general line for you using their automated system, wait on hold (which can take 2+ hours), and then call your phone when they've reached a human. Once connected, you talk directly to the IRS agent, not through any intermediary. I was skeptical too until I watched their video demo that shows exactly how it works.
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Vera Visnjic
I owe you guys a major apology. After posting that skeptical comment, I felt bad and decided to at least look into the Claimyr thing. I was getting desperate because I'd been trying to reach the IRS for 3 weeks with no luck. So I tried https://claimyr.com and holy crap it actually worked! Got a call back in about 45 minutes saying they had an IRS agent on the line. The agent was super helpful and explained exactly how to adjust my W4 to stop getting these huge refunds. Turns out I needed to use line 4(b) to reduce my withholding by a specific amount based on my itemized deductions that weren't being accounted for. Sorry for being so negative before. When you've been on hold with the IRS for hours multiple times, you get kind of jaded about the whole thing.
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Jake Sinclair
The IRS has an online Tax Withholding Estimator tool that's pretty good! You enter your income, filing status, dependents, and other info, and it tells you how to fill out your W4. It's completely free. https://www.irs.gov/individuals/tax-withholding-estimator I used it last year and got within $200 of breaking even on my taxes. Way better than the $4k refund I had been getting.
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Brielle Johnson
•Does the estimator work if you have self-employment income on the side or income from investments? My situation is a bit complicated.
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Jake Sinclair
•Yes, the estimator can handle more complex situations including self-employment income and investment income. There are specific sections where you can enter non-wage income. However, if your self-employment income is significant or irregular, you might want to make quarterly estimated tax payments in addition to adjusting your W4. The estimator will suggest this if applicable to your situation. The more accurate info you provide, the better the results will be. Just make sure you have your most recent pay stubs and tax return handy when you use it.
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Honorah King
One thing nobody's mentioned - if you're getting married, having kids, buying a house, or making other major life changes this year, don't adjust your W4 based solely on last year's refund! Your tax situation will change dramatically.
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Oliver Brown
•This is so true! I adjusted my W4 perfectly based on being single, then got married mid-year and our combined income pushed us into a higher tax bracket. Ended up owing $2,300! Should have redone my W4 right after the wedding.
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Sofia Gutierrez
Great question! I was in a similar boat a few years ago. The key thing to understand is that a large refund means you're essentially giving the government an interest-free loan all year long. Here's what worked for me: I used the IRS Tax Withholding Estimator (it's free on their website) and compared my results with my most recent tax return. The tool walks you through each section of the new W4 form step by step. For your situation with $13,500 refunds, you'll likely want to use Step 4(b) to reduce your withholding by roughly $1,000-1,100 per month. But I'd strongly recommend running the numbers through the estimator first rather than guessing - it takes into account your specific filing status, deductions, and income level. One tip: start conservatively. Maybe reduce by $800/month the first time, see how that works out, then adjust again if needed. Better to get a small refund than to owe a big chunk at tax time. You can always update your W4 multiple times throughout the year as your situation becomes clearer.
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