Decision Workspace
physical_constants vs scilib vs natural_constants
Side-by-side comparison of Rust crates
48
physical_constants
growingv0.5.0
CODATA recommended values of physical constants
47
scilib
growingv1.0.0
A scientific library for the Rust programming language.
41
natural_constants
growingv0.2.0
Pre-defined constants from all disciplines (math, physics, ...)
Core Metrics
| physical_constants | scilib | natural_constants | |
|---|---|---|---|
| Health Score | 48 | 47 | 41 |
| Total Downloads | 42.4K | 55.2K | 4.5K |
| 30d Downloads | 1.1K | 3.0K | 24 |
| Dependents | 126 | 38 | 0 |
| Releases | 8 | 23 | 2 |
| Last Updated | 1286d ago | 926d ago | 1263d ago |
| Age | 9y 7m | 4y 5m | 9y 1m |
Health Breakdown
physical_constants
Maintenance
3
Quality
15
Community
11
Popularity
6
Documentation
13
scilib
Maintenance
6
Quality
12
Community
10
Popularity
6
Documentation
13
natural_constants
Maintenance
3
Quality
16
Community
5
Popularity
4
Documentation
13
Technical Details
| physical_constants | scilib | natural_constants | |
|---|---|---|---|
| Version | 0.5.0 | 1.0.0 | 0.2.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | GPL-3.0 | GPL-3.0 | MIT |
| Dependencies | 1 | 1 | 0 |
| Crate Size | 23KB | 2.4MB | 18KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 26.1% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •physical_constants leads with a health score of 48/100, but none of the options score above 80.
- •scilib has the most downloads (55.2K), suggesting wider adoption.
- •physical_constants is depended on by 126 crates — strongest ecosystem trust.
- •⚠ physical_constants, scilib, natural_constants have not been updated in over a year.
- •physical_constants, natural_constants are pre-1.0 — API may change.