Quarterly tax calculator for Roblox creators
What to set aside from DevEx income, and whether the IRS wants it four times a year rather than once.
After business expenses, not your gross payouts. This is the Schedule C bottom line.
Set aside each quarter
$423.89
Expecting to owe $1,000 or more generally means paying quarterly rather than settling it in April.
Income tax comes to zero at this level because the standard deduction covers it. Self-employment tax does not work that way — it applies once net earnings from self-employment (92.35% of profit) reach $400, about $433 of profit. The Social Security share stops at the $184,500 wage base; Medicare never does. It is the bill most first-year creators do not see coming.
Federal only, tax year 2026. State tax sits on top and varies widely. Any withholding Roblox already took counts toward this.
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The four deadlines
They are not evenly spaced, which catches people out. The second one arrives two months after the first.
| Income earned | Payment due |
|---|---|
| Jan 1 – Mar 31 | April 15 |
| Apr 1 – May 31 | June 15 |
| Jun 1 – Aug 31 | September 15 |
| Sep 1 – Dec 31 | January 15 of the following year |
Dates shift to the next business day when they fall on a weekend or holiday.
How the estimate is built
Three steps, in this order, because the order changes the answer.
Self-employment tax first. 15.3% applies to 92.35% of net earnings, not the whole amount — a quirk that exists to approximate the employer-side deduction an employee would get. Nothing is owed until that base reaches $400, and the Social Security share stops at the $184,500 wage base; the Medicare share has no cap.
Then half of that comes off your taxable income. You deduct the employer-equivalent half of self-employment tax before calculating income tax. Skipping this step overstates the bill, and a calculator that scares people with a number too high is not more cautious — it is just wrong in the other direction.
Then income tax on what remains, after the standard deduction, through the 2026 brackets.
The safe harbor, and why it is worth knowing
You do not have to predict the year correctly. The IRS provides safe harbors: pay enough and no underpayment penalty applies even if you end up owing more. The common routes are paying 90% of the current year's tax, or 100% of what you owed last year — 110% if last year's income was high.
For a creator whose income is climbing, the prior-year route is usually the easier target, because last year's number is already known while this year's is a guess. That matters in this niche specifically: DevEx income can multiply in a year when one experience takes off.
Why this bill surprises people
Someone who has only had a normal job has never seen self-employment tax, because an employer was quietly paying half and withholding the rest. DevEx pays gross. Nothing is withheld, nothing is set aside, and the entire 15.3% lands on you.
The practical habit that solves it: move a fixed percentage of every payout into a separate account the day it arrives. The calculator's effective rate is a reasonable figure to use. Money that was never in your spending account is money you do not have to find in April.
Rates and thresholds: IRS Rev. Proc. 2025-32. General guidance: IRS self-employed center.
Frequently asked questions
Do Roblox creators have to pay quarterly taxes?
Only if you expect to owe about $1,000 or more in federal tax for the year. Below that, paying when you file is generally fine. Above it, the IRS expects the money through the year — and charges an underpayment penalty even if you pay the full amount in April.
Why is my tax bill so high on a small income?
Self-employment tax. It is 15.3% covering Social Security and Medicare — the halves an employer would normally split with you. The Social Security part (12.4%) stops at the $184,500 wage base; the Medicare part has no cap. It applies once net self-employment earnings reach $400, which for a creator is almost immediately.
The standard deduction shelters income tax, not this. So a creator can owe zero income tax and still owe a real self-employment bill on the same money.
Does this include state tax?
No, federal only. State rules vary enormously: some states levy nothing, others take a real percentage and run their own estimated payment schedule. Check your state separately.
Does being claimed as a dependent change the amount?
If DevEx is the only income, no — which surprises most people. A dependent's standard deduction is their earned income plus $450, capped at the regular standard deduction. On self-employment income alone that lands on the same federal tax either way.
It starts to matter when there is investment income or wage income in the mix. That is outside what this calculator handles.
How do I actually pay it?
IRS Direct Pay on irs.gov takes it straight from a bank account with no fee. Select "Estimated Tax" and Form 1040-ES as the reason, and pick the tax year you are paying for — not the year you are paying in. Keep the confirmation number.
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Not tax advice
LootTally provides educational estimates only, not tax, legal, or financial advice. Consult a qualified professional for your situation.