Decimal.js
Arbitrary-precision decimal arithmetic for JavaScript avoiding floating-point errors.
Utilities npm MIT
Used in agent projects
67
0.5% of 12,697 public repos built with AI coding agents
Rank in utilities
#33 of 109
by use in those projects
Downloads
98M
npm, last 7 days, decimal.js
GitHub stars
7,263
last push Aug 30, 2026
How Decimal.js is used
Decimal.js is a dependency in 67 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.5%), #33 of 109 in utilities. The most used alternative there is clsx. Projects that use it most often also use Solana Web3.js (65.7%), Solana SPL Token (50.7%), Axios (35.8%).
Often used with Decimal.js
| Solana Web3.js | 65.7% of Decimal.js projects · 4.0× more than average |
|---|---|
| Solana SPL Token | 50.7% of Decimal.js projects · 7.0× more than average |
| Axios | 35.8% of Decimal.js projects · 3.6× more than average |
| TypeScript | 82.1% of Decimal.js projects · 1.5× more than average |
| ESLint | 62.7% of Decimal.js projects · 1.6× more than average |
| bn.js | 22.4% of Decimal.js projects · 13.1× more than average |
| ts-node | 23.9% of Decimal.js projects · 3.5× more than average |
| Recharts | 25.4% of Decimal.js projects · 3.1× more than average |
By coding agent
| Claude Code | 0.3% of projects set up for it |
|---|---|
| Cursor | 0.3% of projects set up for it |
| GitHub Copilot | 0.2% of projects set up for it |
Share of public repos configured for each agent that list Decimal.js as a dependency.
Install
| Package | npm install decimal.js |
|---|---|
| Main stacks | TypeScript / JavaScript (42), Next.js (21), Rust (3), Python (1) |
| Example projects | ant-design/ant-design-web3, outsmartchad/onchain-dex-cli, raydium-io/raydium-sdk-V2-demo, 5pyj29s7cm-tech/LumiCore, ask-the-hive/the-hive |
Alternatives to Decimal.js
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| clsx npm Tiny utility for conditionally constructing className strings. |
2,251 (17.7%) | 126M | 9,847 | MIT |
| date-fns npm Modern JavaScript date utility library with comprehensive formatting functions. |
1,079 (8.5%) | 97.6M | 36.6K | MIT |
| uuid npm Generate RFC9562 compliant UUIDs for unique identifiers in applications. |
454 (3.6%) | 296M | 15.3K | MIT |
| PyYAML pypi YAML parser and emitter for reading and writing YAML configuration files. |
385 (3.0%) | 239M | 2,954 | MIT |
| Lodash npm Modular utility library with methods for common programming tasks and data manipulation. |
269 (2.1%) | 162M | 61.4K | MIT |
| bn.js npm Big number library for handling arbitrary-precision integers in JavaScript. |
217 (1.7%) | 62.1M | 1,230 | MIT |
| python-dateutil pypi Extensions to Python's datetime module for advanced date and time manipulation. |
165 (1.3%) | 233M | 2,638 | Dual License |
| yaml npm JavaScript YAML parser and stringifier with full spec compliance. |
164 (1.3%) | 179M | 1,693 | ISC |