55 kB minified + gzipped for v4.5.1. Measured with esbuild 0.25.9.
chart.js
v4.5.1
measured Sep 7, 2026
Raw
351 kB
Minified
165 kB
Min + Gzip
55 kB
Min + Brotli
48 kB
Sizes measure chart.js's own code with dependencies treated as external. Real-world size depends on your bundler, tree-shaking, and which exports you use.