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Products that do what oneshekel.com does

Free UK & US income tax calculator.

1. 1CF
   Calculator for US individual income tax, from 1970-present▲497

   I wanted to share a simple web app I created recently, which lets you estimate income taxes owed in the US: https://taxsim.app All the calculations occur directly in the browser, and are powered by a Fortran program that has been converted to WASM using emscripten. This calculator was originally developed in the 1970s [1] by the non-profit National Bureau of Economic Research. NBER has been maintaining this F77 codebase for the last 50 years, and uses it primarily for academic research on tax policy. The Fortran source code itself is over 1MB of text, because it codifies both…

   2022

2. 2
   Tax Atlas▲3

   Income tax math for the US, UK, India, Canada & Australia.

   May 2026 · taxatlas.app

3. 3IT
   Income Tax Calculator▲64

   2015 · incometaxcalculator.net.in

4. 4
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   US Tax Calculator 2026▲5

   2026 US tax calculator: federal, state & self-employment

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   Wealth Calculator Hub▲4

   Free financial calculators for UK, US, Canada, India & Aus

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   Free paycheck calculator for all 50 US states

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8. 8
   PayCalcHub▲5

   Take-home pay calculators for all 50 US states. Always free.

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9. 9
   TaxRadar▲3

   Free freelance tax calculator across all 50 US states

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    Free online calculators for US finance, health & education

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    TaxSimple▲1

    Free UK tax calculator for self-employed no signup

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13. 13
    Paycheck Calculator - PaycheckLink▲1

    Free paycheck calculator, sourced to IRS & state tax law

    11d ago · paychecklink.com

14. 14
    TaxSight▲3

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15. 15
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17. 17
    Home Pay Estimator by State▲2

    Free paycheck calculator — compare two job offers after tax

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19. 19
    SalaryPeel▲6

    See every layer. Own your paycheck.

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    SimpleTaxCalculator▲2

    Simple Tax Calculator — Free US Tax Tools

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21. 21
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22. 22
    WageLab▲2

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    TheTaxCalc ▲1

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