iliekturtles/uom

Health v2 · maintenance only

Adoption not part of the score

1258 stars · 131 forks observed · 2026-10-17

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

uom is a Rust crate providing type-safe, zero-cost dimensional analysis with a pre-built International System of Units (SI) and support for custom unit systems. It catches unit mismatches at compile time, preventing errors like the Mars Climate Orbiter unit mixup.

Use cases

• convert between measurement units safely in Rust
• prevent adding incompatible physical quantities like length and time
• perform dimensional analysis with compile-time unit checking
• define custom systems of quantities and units
• use SI units in embedded no_std Rust projects
• compute velocity or acceleration from length and time quantities

When to choose

• you write Rust code dealing with physical quantities and want compile-time unit safety
• you need SI unit conversions with zero runtime overhead
• you need a no_std-compatible units library
• you want to define custom measurement systems

When to avoid

• you work in a language other than Rust
• you only need simple unit conversions without type safety
• you need runtime-configurable or dynamic unit systems

Facets

library · maturity stable

math type-system developer-tools rust cross-platform embedded units-of-measurement dimensional-analysis si-units no-std zero-cost-abstraction algorithms physics

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