Decision Workspace
fast-decimal vs rust_decimal vs decimal64
Side-by-side comparison of Rust crates
39
fast-decimal
growingv0.0.0
Fast high precision decimal
76
rust_decimal
stablev1.41.0
Decimal number implementation written in pure Rust suitable for financial and fixed-precision calculations.
57
decimal64
growingv0.0.8
Fast fixed point arithmetic that only uses u64 as internal representation.
Core Metrics
| fast-decimal | rust_decimal | decimal64 | |
|---|---|---|---|
| Health Score | 39 | 76 | 57 |
| Total Downloads | 1.7K | 87.8M | 5.5K |
| 30d Downloads | 5 | 6.8M | 267 |
| Dependents | 0 | 20.9K | 0 |
| Releases | 1 | 104 | 8 |
| Last Updated | 1428d ago | today | 32d ago |
| Age | 3y 11m | 9y 4m | 1y |
Health Breakdown
fast-decimal
Maintenance
1
Quality
16
Community
3
Popularity
4
Documentation
15
rust_decimal
Maintenance
20
Quality
18
Community
15
Popularity
8
Documentation
15
decimal64
Maintenance
17
Quality
15
Community
6
Popularity
4
Documentation
15
Technical Details
| fast-decimal | rust_decimal | decimal64 | |
|---|---|---|---|
| Version | 0.0.0 | 1.41.0 | 0.0.8 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT | MIT |
| Dependencies | 0 | 38 | 8 |
| Crate Size | 6KB | 164KB | 23KB |
| Features | 0 | 33 | 2 |
| Yanked % | 0.0% | 1.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | 1.56 | 1.67.1 | 1.85.1 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •rust_decimal leads with a health score of 76/100, but none of the options score above 80.
- •rust_decimal is depended on by 20.9K crates — strongest ecosystem trust.
- •⚠ fast-decimal has not been updated in over a year.
- •fast-decimal, decimal64 are pre-1.0 — API may change.