Unit Conversion Tool

Fast, offline-capable unit converters and measurement tools.

Tools

Tool	Description / Notable units
Length	km, m, cm, mm, µm, mi, yd, ft, in, nmi
Weight	t, kg, g, mg, lb, oz, st
Temperature	°C, °F, K
Area	km², m², cm², ha, ac, mi², yd², ft², in²
Volume	m³, L, mL, gal (US), imp gal, qt, pt, cup, fl oz, in³, ft³
Speed	m/s, km/h, mph, ft/s, kn, Mach
Data	b, B, KB–PB (SI decimal) and KiB–TiB (IEC binary)
Screen PPI	PPI, megapixels, aspect ratio, dot pitch — macOS HiDPI scaling check

Getting Started

npm install
npm run dev     # http://localhost:5173

Scripts

npm run dev      # start development server
npm run build    # build static site to build/
npm run preview  # preview production build locally
npm run check    # type-check with svelte-check

Deployment

Automatically built and deployed to GitHub Pages on every push to main. The build/ directory is a fully self-contained static site — no server required.

To deploy under a subpath, set BASE_PATH before building:

BASE_PATH=/my-subpath npm run build