
Ideal Weight Calculator
Find your ideal weight, BMI and body fat in seconds
What it does
Free Ideal Weight Calculator with 6 formulas, BMI, body fat %, frame size, BMI range, and weight tracking. Fast, accurate, private, and no sign-up required.
Free Ideal Weight Calculator with 6 formulas, body fat %, frame size, BMI range, and weight tracker. Fast, accurate, no sign-up needed.
Free online web utilities for digital creators, financial planning, and SEO optimization. Calculate loans, download media, and optimize content instantly. Find your ideal body weight using 6 medically recognized formulas — Devine, Robinson, Miller, Hamwi, Broca, and the BMI-based healthy range — all compared side by side. This calculator also includes body frame size detection, a US Navy body fat estimator, weight tracking log, weight-loss timeline projector, and more, all running instantly and privately in your browser. Ideal body weight refers to a target weight range associated with the lowest overall health risk for a person's height, age, and gender. It is not a single…from globaltoolsbox.online
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Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…
Life & fun · 26d ago · baselashraf81.github.io
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Life & fun · 10d ago · louisabraham.github.io


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Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io


I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
AI · 17d ago · simedw.com