Freelance Tax Set-Aside Calculator

One percentage that makes tax season a non-event

The freelancers who panic in April are the ones who spent the year treating every client payment as fully theirs. The ones who don't have a simple habit: the moment money arrives, a fixed percentage goes straight to a separate tax account and is never touched. This calculator tells you exactly what that percentage should be for your income — no round-number guessing.

Enter your expected net profit, filing status, tax year, and an optional state rate. You can also enter a single client payment to see the precise dollars to skim off it. The tool returns your set-aside rate, the monthly amount, and the dollars to move from that sample payment.

Why a real rate beats "just save 30%"

"Set aside 30%" is common advice, and it's not terrible — but it's a guess that's wrong for most people in one direction or the other. Someone earning $45,000 owes a very different effective rate than someone earning $150,000, and adding a state rate shifts it again. Setting aside too little means a shortfall you have to scramble to cover; too much isn't dangerous, but it starves your cash flow all year for no reason.

This tool computes your actual combined burden — self-employment tax plus federal income tax plus your state estimate — and expresses it as the single percentage to skim off every dollar you're paid. Apply it as money comes in and, over the year, you'll have set aside close to exactly what you owe.

Where to put it — and why "separate" is the whole trick

The mechanism only works if the money physically leaves your spendable balance. Keep it in a separate account — ideally a high-yield savings account linked to your business checking. The instant a payment clears, transfer the set-aside percentage over. Out of sight, it can't be accidentally spent, and it quietly earns a little interest until you need it.

This one behavioral trick — automating the transfer so tax money is gone before you "see" it — does more to prevent tax-time disasters than any amount of willpower or year-end math.

Set aside continuously, pay quarterly

Setting money aside isn't the same as paying it. The IRS expects estimated taxes four times a year — in mid-April, June, September, and January. The rhythm that works: skim the percentage off every payment into your tax account continuously, then pay each quarterly estimate out of that account when it's due. You never have to find the money, because it's already there. Our Quarterly Estimated Tax calculator turns this annual figure into the four specific payments.

What this is

An estimate for planning, not tax advice. It assumes a sole proprietor on Schedule C with the standard deduction and no S-corp election; state is a flat approximation. Your final liability depends on your complete return — but as a rule for how much of each payment to protect, this rate keeps you safe. Confirm the specifics with a CPA or EA.