Decision Workspace
unitage vs ferrunitas vs conversions_rs
Side-by-side comparison of Rust crates
34
unitage
growingv0.0.2
A library for interaction with units of measurement
52
ferrunitas
experimentalv0.4.0
A type-safe unit conversion library with compile-time dimensional analysis
52
conversions_rs
experimentalv1.2.1
A comprehensive unit conversion library, CLI tool, and WebAssembly module with full SI (International System of Units) support
Core Metrics
| unitage | ferrunitas | conversions_rs | |
|---|---|---|---|
| Health Score | 34 | 52 | 52 |
| Total Downloads | 2.8K | 959 | 343 |
| 30d Downloads | 4 | 5 | 4 |
| Dependents | 0 | 0 | 0 |
| Releases | 2 | 3 | 2 |
| Last Updated | 1472d ago | 195d ago | 152d ago |
| Age | 4y | 6m | 5m |
Health Breakdown
unitage
Maintenance
3
Quality
14
Community
3
Popularity
4
Documentation
10
ferrunitas
Maintenance
11
Quality
16
Community
6
Popularity
4
Documentation
15
conversions_rs
Maintenance
10
Quality
18
Community
6
Popularity
3
Documentation
15
Technical Details
| unitage | ferrunitas | conversions_rs | |
|---|---|---|---|
| Version | 0.0.2 | 0.4.0 | 1.2.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 6 | 7 | 6 |
| Crate Size | 17KB | 67KB | 76KB |
| Features | 0 | 7 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | 1.85.0 | 1.70.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •ferrunitas leads with a health score of 52/100, but none of the options score above 80.
- •unitage has the most downloads (2.8K), suggesting wider adoption.
- •⚠ unitage has not been updated in over a year.
- •unitage, ferrunitas are pre-1.0 — API may change.