Decision Workspace
conversions_rs vs ferrunitas vs uom
Side-by-side comparison of Rust crates
52
conversions_rs
growingv1.2.1
A comprehensive unit conversion library, CLI tool, and WebAssembly module with full SI (International System of Units) support
51
ferrunitas
experimentalv0.4.0
A type-safe unit conversion library with compile-time dimensional analysis
67
uom
growingv0.38.0
Units of measurement
Core Metrics
| conversions_rs | ferrunitas | uom | |
|---|---|---|---|
| Health Score | 52 | 51 | 67 |
| Total Downloads | 352 | 963 | 10.0M |
| 30d Downloads | 0 | 0 | 653.6K |
| Dependents | 0 | 0 | 1.2K |
| Releases | 2 | 3 | 34 |
| Last Updated | 211d ago | 254d ago | 100d ago |
| Age | 7m | 8m | 9y 3m |
Health Breakdown
conversions_rs
Maintenance
9
Quality
19
Community
6
Popularity
3
Documentation
15
ferrunitas
Maintenance
10
Quality
16
Community
6
Popularity
4
Documentation
15
uom
Maintenance
14
Quality
16
Community
14
Popularity
8
Documentation
15
Technical Details
| conversions_rs | ferrunitas | uom | |
|---|---|---|---|
| Version | 1.2.1 | 0.4.0 | 0.38.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | Apache-2.0 | Apache-2.0 OR MIT |
| Dependencies | 6 | 7 | 10 |
| Crate Size | 76KB | 67KB | 163KB |
| Features | 2 | 7 | 32 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | 1.70.0 | 1.85.0 | 1.68.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •uom leads with a health score of 67/100, but none of the options score above 80.
- •uom is depended on by 1.2K crates — strongest ecosystem trust.
- •ferrunitas, uom are pre-1.0 — API may change.