Lion Calculator
Smart, Free, and Fast Calculators for Age, BMI, GPA, & More
Lion Calculator launched on October 14, 2025 with 7 votes, #2,779 of 8,178 launches that month. The site was still online in September 2026, 1 year on.
What it does
Lion Calculator is a collection of free online calculators designed to make life easier. Instantly calculate your age, BMI, pregnancy due date, GPA, countdowns, and more — all in one place, mobile-friendly, and easy to use. No login or downloads required!
Access 80+ free online calculators for BMI, salary, age, currency conversion, calorie counting, net worth, and more. Instant, accurate results with no signup. Updated for 2026.
Clinical-grade calculations for finance , health , career , and everyday decisions . 100% free, private, and instant. Calculate exact age, track durations between dates, convert global timezones, and set countdown timers. Analyze investments, project savings growth, calculate Compound Growth, and compare costs of living. Calculate your total net worth by adding assets and subtracting liabilities. Find out if a grocery item has gone up logically due to inflation, or if the markup is disproportionately high. Find out exactly how long it will take to reach any savings goal. Calculate the impact of inflation on any amount of money over time. Find out how many units you need to sell to start…from lioncalculator.com
Does a similar job
all alternatives →
Free Health CalculatorFeb 2026 · thefitcalculator.com · ▲5Instant BMI, BMR & Calorie Calculator with detailed insights
More work this month
the category →
Endless lofi beats composed live in your browser, over pixel-art nights in Paris, Tokyo, New York, Hong Kong, Sydney, San Francisco and more. Free, no sign-up.
Work · 25d ago · loficities.com
Smooth Recorder▲257Mac screen recordings that look edited when you hit stop
Work · 19d ago · smoothrecorder.com
Work · 13d ago · readrare.com
Source: Product Hunt launch ↗
Launched alongside, October 2025
the whole month →
I went down the rabbit hole on a side project and ended up building this: Strange Attractors(https://blog.shashanktomar.com/posts/strange-attractors). It’s built with three.js. Working on it reminded me of the little "maths for fun" exercises I used to do while learning programming in early days. Just trying things out, getting fascinated and geeky, and being surprised by the results. I spent way too much time on this, but it was extreme fun. My favorite part: someone pointed me to the Simone Attractor on Threads. It is a 2D attractor and I asked GPT to extrapolate it to…
AI · Oct 2025 · blog.shashanktomar.com
Autism Simulator▲779Hey all, I built this. It’s not trying to capture every autistic experience (that’d be impossible). It’s based on my own lived experience as well as that of friends on the spectrum. I'm trying to give people a feel for what masking, decision fatigue, and burnout can look like day-to-day. That’s hard to explain in words, but easier to show through choices and stats. I'm not trying to "define autism". I’ve gotten good feedback here about resilience, meds, and difficulty tuning. I’ll keep tweaking it. If even a few people walk away thinking, "ah, maybe that’s why my coworker struggles in those…
Life & fun · 2025 · autism-simulator.vercel.app
