Commerce · alternatives · 2026
24 alternatives to RetailCalc Pro
A Japan tax calculator that shipped the new 1% rate in days
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.
- 1CF
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 · its alternatives →
- 2

- 3IT
2015 · incometaxcalculator.net.in · its alternatives →
- 4

A web-based paycheck calculator has been built to reflect the latest 2025 federal and state tax policies across all 50 US states. It estimates after-tax income by accounting for federal, state, and FICA deductions, and supports different pay frequencies (weekly, bi-weekly, monthly, etc.). The intent is to provide an up-to-date, lightweight tool for anyone trying to quickly understand take-home pay. The design goal was simplicity: one page, minimal inputs, instant breakdown. Questions for the community: • What additional features would actually make this more useful (e.g., 401k, health…
2025 · paycheckcalc.app · its alternatives →
- 5
AusCalc▲4Free Australian tax calculators. Instant, private, no signup
Jun 2026 · auscalc.com.au · its alternatives →
- 6

Calculate discounts, sale prices & savings instantly
Jul 2026 · percentoffcalculator.org · its alternatives →
- 7

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Accurate 2026 take-home pay calculator for all 50 US states
Aug 2026 · usepaycheckcalculator.app · its alternatives →
- 9

All-in-one calculator with tools for work, life, and study.
2025 · play.google.com · its alternatives →
- 10

25+ free UK tools for finance, wellness & daily life
2025 · taxcalculatorsuk.co.uk · its alternatives →
- 11

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Free paycheck calculator for all 50 US states
Jul 2026 · uspaycalc.com · its alternatives →
- 14

Global tax calculator for digital nomads & expats
Jul 2026 · nomadtaxcalc.com · its alternatives →
- 15

Global income tax calculator
Nov 2025 · whatstheincometax.com · its alternatives →
- 16

Free UK tax relief calculator for overseas workdays
Jul 2026 · figtax.co.uk · its alternatives →
- 17

- 18

Instantly find the original price before sales tax
Jul 2026 · reversesalestaxcal.com · its alternatives →
- 19

Take-home pay calculators for all 50 US states. Always free.
Jul 2026 · paycalchub.com · its alternatives →
- 20
LineCalc▲7Free online calculator with real-time collaboration
Dec 2025 · linecalc.com · its alternatives →
- 21

Free sales tax, VAT & GST calculators that show the math
Jul 2026 · taxesledger.com · its alternatives →
- 22

Smart, Instant Tax Calculations for Pakistan
Apr 2026 · fasttaxcalculator.pk · its alternatives →
- 23

See your real take-home pay after taxes
Jun 2026 · salarycalcnet.com · its alternatives →
- 24

GST calculator for small businesses
2023 · chromewebstore.google.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →