CalcBundle
66 free business & finance calculators, no sign-up
What it does
CalcBundle is a free suite of 66 business and finance calculators built for founders, small-business owners and e-commerce sellers. Work out business valuation, ROI, break-even, CAC and LTV, burn rate and runway, rental yields, capital gains and more. Everything runs locally in your browser — no sign-up, nothing stored, instant results.
Free, professional business and finance calculators for entrepreneurs, small business owners and e-commerce sellers. Estimate business value, profit, break-even and more.
Powerful, easy-to-use calculators for business, finance, e-commerce, real estate, investing and everyday life. Estimate your company's value with revenue, EBITDA and SDE multiples, adjusted for growth and risk. A simpler valuation for owner-operated businesses, based on SDE and seller's discretionary earnings. Turn revenue and expenses into gross, operating and net profit with clear margins and a visual breakdown. Find the units and revenue you need to cover costs and reach a target profit. Estimate a startup's indicative value from ARR, revenue, growth and churn. Estimate an established company's value with revenue, EBITDA and SDE multiples. Calculate EBITDA and EBITDA margin from net…from calcbundle.com
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Commerce · 26d ago · equitybee.com
Launched alongside, August 2026
the whole month →- TL
Life & fun · 10d ago · louisabraham.github.io
- SA
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 · 16d ago · simedw.com