Show HN: Units to Draw – a math-only syringe units calculator

Category: other

Tags: calculator, healthcare, dosing, web-app

Score: 3.7/10 (Innovation: 3, Technical: 3, Documentation: 4, Utility: 5)

A single-purpose web calculator that converts vial strength and water volume into syringe units for reconstituted medications, supporting U-100/U-50/U-40 scales and various medication types. It fills a small but real gap for people doing peptide or pet insulin dosing math, with clear formulas and a reverse mode.

Target audience: patients and caregivers handling reconstituted medications, pet owners, healthcare-adjacent users

Repository: https://unitstodraw.com

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