Who it is for
Retail, restaurants, shops, anyone collecting sales tax.
Business and Money · Calculator · Free
Add it, back it out, or split the invoice Sales Tax Calculator
Add tax to a price, pull tax out of a total you already collected, and reconcile the amount at your entered rate. Taxability and actual remittance obligations require a separate check.
Runs in your browser. Nothing to install. Save the result or embed it on your site.
Your numbers
Texas state is 6.25 percent. Most Texas cities land at 8.25 combined. Check your rate with the Comptroller.
What that means
Total the customer pays: $1,082.50
$1,082.50
Total the customer pays
$1,000.00
Your revenue
$82.50
Tax at entered rate
$4,950
Tax collected per month
not yours, set it aside
$59,400
Tax per year
You keep$1,000.00
State keeps$82.50
Sales tax you collect is not revenue. Move it to a separate account the day you collect it. Rates and rules vary by address and by what you sell. Confirm with your state comptroller or your CPA.
What this assumed
- Confirm the editable rate for your transaction location and taxability. The default is an example, not a lookup of your actual tax obligation.
- It does not handle exemptions, tax holidays or multi-jurisdiction splits.
Runs in your browser. Nothing you type is sent anywhere.
Not tax advice
Tax rules change and vary by state, county and situation. This tool does not know your filing status, deductions or local rates. Confirm anything you plan to file with a tax professional or the current official guidance.
Official source: IRS
You ran this on October 5, 2026. Rates and rules change, so check the date before you rely on a saved copy.
What this tool actually does for you
The problem it points at
Backing tax out of a total is the one everybody gets wrong, and it is the one the state cares about.
What you walk away with
The right number, both directions, in two seconds.
How to use it
Takes about two minutes. Be honest with the numbers, the tool is not going to tell anybody.
- Enter the amount and your combined tax rate.
- Pick whether the amount already includes tax.
- Read the split.
Keep learning
Go a little deeper.
See how this tool fits a practical task, with a guide you can follow at your own pace.
Put this tool on your own website
Free forever. I host it. You keep it.
This is a real lead magnet you can run on your own site tonight. Somebody lands on your page, plays with the numbers, sees what their problem costs, and now they are on your website instead of a competitor's. Costs you nothing, and I keep it working.
- Scroll up and press Put this tool on my website. The code appears right there, no form.
- Copy the one line you get.
- In your website editor, add an Embed, HTML or Custom Code block on whatever page you want it on.
- Paste it in, save, publish.
- Check it on your phone, then send people to that page.
Works on
WordPress, Wix, Squarespace, Shopify, GoDaddy, Webflow, Duda, HubSpot, ClickFunnels, or plain HTML. Anywhere that takes an embed code.
What it costs you
Nothing. No monthly fee, no expiring trial, no watermark you have to pay to remove. If you get stuck putting it in, text me at (903) 500-8898 and I will help you place it.
Part of these collections
While you are here
See all 86 tools
FreeBusiness and MoneyEstimatorQuarterly Tax Set-Aside EstimatorStop getting surprised in AprilA rough set-aside number for self-employed income, including the self-employment tax people forget about.Estimate it now
FreeBusiness and MoneyCalculatorProfit Margin CalculatorMargin, markup and profit on anythingPut in a price and a cost. Get margin, markup, profit per sale and what it takes to hit a target margin.Calculate it now
FreeBusiness and MoneyCalculatorCard Processing Fee CalculatorThe 3 percent nobody puts on a spreadsheetProcessing fees come off the top of every sale, quietly, forever. See the yearly total and what a small rate differe...Calculate it now
FreeLocal ServicesEstimatorJob Price CalculatorQuote a job without guessingMaterials, labor, drive time, overhead and the profit you actually want. Get a price you can say out loud without fl...Estimate it nowOne useful tool is the proof
Now imagine the whole website doing real work.
A five-page site built to capture leads and follow up, in accounts you own. The result is a working site, not a promise of leads.