
Free Financial Calculators 2026 - Mortgage, Tax, Retirement, Debt
Calculate mortgages, taxes, retirement, and more using 470+ free financial calculators.
@AfridiMunir · X
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Calculate mortgages, taxes, retirement, and more using 470+ free financial calculators.
@AfridiMunir · X

Free collection of 48 online calculators for finance, health, math, and everyday needs.
@avinashraj61815 · X
i vibe coded this week

Estimate monthly payments for mortgages, auto loans, and personal loans with free calculators—no signup required.
@itskdubs_ · X

Use 32+ free business calculators for profit margin, break-even, and tax analysis.
@BizCalcLab · X

Every calculator you'll ever need for money, health, math, and everyday conversions — worked examples included, nothing to sign up for.
@calculate_at · X

All-in-one platform for calculating EMIs, taxes, mutual funds, stock trading, rent vs buy, and retirement planning.
@sarkar68154 · X
Just launched FinoSphere Pro and the feedback on Product Hunt is 🔥 [ Free all-in-one finance calculator 👇 #buildinpublic #finance

Simulate your retirement with Monte Carlo analysis to see your probability of reaching your goals.
u/Negative-Ticket-9716 · Reddit
I open-sourced a free retirement planner with real Monte Carlo simulation (React + Supabase + edge functions) I built a free retirement planning tool that runs the analysis financial advisors charge $2,000+ for: a 10,000-trial Monte Carlo simulation over your savings, allocation, and withdrawal plan — probability of success instead of a single-point guess. It also models Social Security claiming ages, Roth conversions, and has a stress test that replays 2008, 1970s stagflation, and the Lost D

Free calculators for analyzing startup and marketing metrics.
@NAVNEET_CODES · X
Free AI, startup, and marketing calculators built for founders, marketers, students, and business professionals.

Calculate SIP & lumpsum mutual fund returns with LTCG/STCG tax in seconds. Free forever. No ads. Covers equity, debt & hybrid funds. Built for Indian investors.
@RahulGupta8999 · X
Just shipped 🚀 Free SIP & lumpsum calculator for Indian investors with actual LTCG/STCG tax breakdown. No ads. No sign-up. Forever free. Would love your feedback! 🙏🇮🇳 #BuildInPublic #MutualFunds #SIP

Free, fast online calculators, converters and practical daily tools. No signup required and your saved data stays in your browser.
@SudJourney · X
Hey Nikhil, I am building everyday tools website

Financial forecasting and credit-analysis platform for credit professionals and business owners.
@caseyyoshi · X

Personal finance tracker that stores transactions in original currencies with real conversion rates.
@aneta_dv · X