Financial models built from your own numbers.

Upload a report or type in a few numbers. See where you stand on budget, margins, cash and customers, what is behind it, and what to change.

Start with your file

Drop in any spreadsheet. We open the right model and show you the answer.

What do you want to know or do?

Type it, or drop in a file.

Tax tables from the IRS · Prices from the Bureau of Labor Statistics · Industry data from NYU Stern · Sales tax rates from the Tax Foundation

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About insytesBI

insytesBI reads the files a business already has. Budget reports, sales exports, AR agings, bank statements and broker histories all open in your browser and stay on your computer. Each model shows the figure, how it was worked out, and an Excel file with the formulas left in so your accountant can check it.

The calculators use the official 2026 tables for tax, depreciation and inflation.

Getting started

  1. Pick the question closest to yours, or open Start here.
  2. Upload the file or type your figures. If a column is unclear, the page asks.
  3. Read the result, try a change with the sliders, then download the workbook.

Frequently asked questions

Are insytesBI tools free to use?

Yes. Every tool is free, and none of them needs an account.

Are my files uploaded?

No. Files are read by code running in your browser and are not sent to insytesBI. Only Pro subscribers can store work online, and only when they press Save or Share.

How are the numbers calculated?

From the rows in your file or the figures you type, using the standard formula, which is shown next to each result.

Where do the tax and industry figures come from?

The IRS (2026 tax brackets and the Publication 946 depreciation tables), the Bureau of Labor Statistics consumer price index, NYU Stern’s January 2026 industry data and the Tax Foundation’s state sales tax rates. Each page shows the date of its source.

Which tool do I need?

Open Start here and pick what you want to do, or type your question in the box on this page, for example “am I making money” or “can I afford a loan”.