Decision Workspace
whippyunits vs uom vs ferrunitas
Side-by-side comparison of Rust crates
48
whippyunits
experimentalv0.1.2
A zero-cost, pure rust units-of-measure library for applied computation
69
uom
growingv0.38.0
Units of measurement
52
ferrunitas
experimentalv0.4.0
A type-safe unit conversion library with compile-time dimensional analysis
Core Metrics
| whippyunits | uom | ferrunitas | |
|---|---|---|---|
| Health Score | 48 | 69 | 52 |
| Total Downloads | 340 | 8.7M | 959 |
| 30d Downloads | 68 | 611.1K | 5 |
| Dependents | 1 | 1.1K | 0 |
| Releases | 3 | 34 | 3 |
| Last Updated | 112d ago | 41d ago | 195d ago |
| Age | 4m | 9y 1m | 6m |
Health Breakdown
whippyunits
Maintenance
13
Quality
15
Community
7
Popularity
3
Documentation
10
uom
Maintenance
16
Quality
16
Community
14
Popularity
8
Documentation
15
ferrunitas
Maintenance
11
Quality
16
Community
6
Popularity
4
Documentation
15
Technical Details
| whippyunits | uom | ferrunitas | |
|---|---|---|---|
| Version | 0.1.2 | 0.38.0 | 0.4.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | Apache-2.0 OR MIT | Apache-2.0 |
| Dependencies | 12 | 10 | 7 |
| Crate Size | 86KB | 163KB | 67KB |
| Features | 5 | 32 | 7 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | — | 1.68.0 | 1.85.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •uom leads with a health score of 69/100, but none of the options score above 80.
- •uom is depended on by 1.1K crates — strongest ecosystem trust.