Alternatives
Products that do what CoastIQ does
The only retirement calculator that gets your taxes right
- 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
- 2IC
2018 · investmentcalculator.io
- 3
- 4AF
Most retirement calculators either oversimplify things or ask you to link your accounts so they can make money off your data. I wanted something that actually helped me see if I was on track without handing over a bank login, so I built RetireNumber. It's a privacy-first retirement planner. You type in your own numbers. No account linking, no selling your data, no VC. Just me and a subscription. The engine does real math: Monte Carlo with 1,000 runs, historical backtesting to 1928 using Shiller's Yale data, tax-aware withdrawal strategies, and scenario comparison so you can try different…
Feb 2026 · retirenumber.com
- 5IT
2015 · incometaxcalculator.net.in
- 6
- 7FU
2023 · fire.picheta.me
- 8
Financial calculators for FIRE, crypto & Canadian investors
Jun 2026 · ilovemoney.net
- 9MMoneyOnFIRE▲21
We’re Scott and Sunny—two long-time personal finance nerds. When we met 6 years ago we compared our personal finance spreadsheets. Ours were packed with macros, scenarios, and tax modeling—but even then, found they were not complete. Planning for financial independence is hard, and the cost of mistakes is high. So we built the tool we always wanted: MoneyOnFIRE. MOF calculates a personalized, tax-aware roadmap to financial independence—across account types, life goals, and withdrawal strategies. It shows you not just if you can achieve financial indepdendence, but how, when, and what to…
2025 · moneyonfire.com
- 10
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Free financial calculators for UK, US, Canada, India & Aus
Jun 2026 · wealthcalculatorhub.com
- 12
- 13MA
The calculator quickly shows you how long your nest egg will last, given a constant withdrawal. It automatically shows you a safe withdrawal rule to have your capital last forever.
2024 · myfire.app
- 14RC
2020 · lunchmodel.com
- 15
Professional-grade financial calculators for US, UK, CA & AU
Jul 2026 · taxdebtwealthsuite.com
- 16
Finsiq▲3Private, serverless financial calculators, for Indian money.
Jul 2026 · finsiq.localhostdeveloper.com
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Canadian finance calculators — TFSA, tax, mortgage & more
Jul 2026 · canadacalc.net
- 22
Find your Coast FI number. Let compounding do the rest.
Jul 2026 · coastficalculator.com
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