Free income tax calculator and estimator

Upload your bank statement (Excel, CSV, or PDF) or paste transaction details and get a professional US income tax report with AI-powered federal income tax calculation based on US tax laws and Schedule C requirements.

NB: This is just a basic tool for you to see what Adam by Tyms is capable of before commitment.

Upload bank statement

Drop your file here or click to browse

Supports Excel (.xlsx, .xls), CSV, and PDF up to 1MB. For larger files, subscribe to Adam by Tyms.

Or provide transaction details directly

Paste your financial transactions here (dates, descriptions, amounts). This will be used alongside or instead of the uploaded file.

Maximum 1,500 characters0/1,500

Business information

Important Disclaimer:

This is a tax estimate only and should not be considered as professional tax advice. Tax laws and rates are subject to change.

See our privacy policy.

Prefer to fill in your own numbers for a specific country?

What you'll get

Your bank statement will be analyzed by AI to create a comprehensive income statement and calculate your federal income tax liability using our US income tax calculator.

AI-powered transaction categorization
Professional income statement generation
2025 US tax law calculations
Self-employment tax calculation
Federal income tax calculator
Effective and marginal tax rates
Quarterly tax payment calculations
Schedule C compliance ready
Clean, formatted Excel file with three sheets
Email delivery with download link
100% accurate categorization
Ready for tax preparation and planning

A practical guide to estimating income tax before you file

An income tax calculator helps you see taxable income, tax by band, and the difference between your effective rate and your marginal rate. For U.S. federal tax, start with the IRS federal income tax rates and brackets and the IRS 2026 inflation adjustments. For other countries, use the jurisdiction pages linked above so the bands match local law.

Self-employed people in the United States often report profit on IRS Schedule C (Form 1040) and pay IRS self-employment tax page in addition to income tax. IRS estimated tax guidance explains when you should pay during the year so you are not surprised at filing time.

How this free tax calculator works

Choose a country or stay on this page to upload a statement for an AI-assisted U.S. estimate. You can also open a country page and type your own income and deductions. Brackets are editable so you can match a later official table.

The IRS Publication 334, Tax Guide for Small Business is the official small-business tax guide if you need to check which expenses are deductible. This website is a planning aid. It is not tax advice and it does not file a return.