Benchmark: bignumber.js vs. big.js vs. decimal.js 20250401

HTML Preparation code:

<!--script src="https://raw.githubusercontent.com/iriscouch/bigdecimal.js/v0.6.1/lib/bigdecimal.js"></script-->
<script src="https://cdnjs.cloudflare.com/ajax/libs/bignumber.js/9.1.2/bignumber.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/big.js/6.2.2/big.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/decimal.js/10.5.0/decimal.min.js"></script>
<!--script src="https://raw.githubusercontent.com/infusion/Fraction.js/v4.0.12/fraction.min.js"></script-->

Tests:

Native
var a = 0.1; var b = 0.2; ((a + b) * b).toString();
Native + toFixed
var a = 0.1; var b = 0.2; ((a + b) * b).toFixed(9);
decimal.js
var a = new Decimal("0.1"); var b = new Decimal("0.2"); a.plus(b).times(b).toString();
big.js
var a = new Big("0.1"); var b = new Big("0.2"); a.plus(b).mul(b).toString();
bignumber.js
var a = new BigNumber("0.1"); var b = new BigNumber("0.2"); a.plus(b).multipliedBy(b).toString();

Historical Performance Data aggregated from 12 community runs

Desktop Results:

Chrome 7 runs

Native

101.0M/s

Native + toFixed

15.3M/s

big.js

2.7M/s

decimal.js

1.5M/s

bignumber.js

1.3M/s

Fastest: Native (74.9x faster)

View exact numbers

✓ Native: 100,955,120 ops/sec
• Native + toFixed: 15,348,917 ops/sec
• big.js: 2,704,174 ops/sec
• decimal.js: 1,457,221 ops/sec
• bignumber.js: 1,347,600 ops/sec

Firefox 5 runs

Native

971.3M/s

Native + toFixed

14.2M/s

big.js

1.5M/s

decimal.js

992K/s

bignumber.js

865K/s

Fastest: Native (1123.5x faster)

View exact numbers

✓ Native: 971,297,088 ops/sec
• Native + toFixed: 14,174,744 ops/sec
• big.js: 1,536,658 ops/sec
• decimal.js: 992,109 ops/sec
• bignumber.js: 864,503 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Test case name	Result
Native
Native + toFixed
decimal.js
big.js
bignumber.js

Latest run results:

Run details: (Test run date: 2 months ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36 Edg/148.0.0.0

Browser/OS: Chrome 148 on Windows

View result in a separate tab

Native

101.0M/s

Native + toFixed

15.3M/s

big.js

3.2M/s

bignumber.js

1.3M/s

decimal.js

1.3M/s

View exact numbers

Test name	Executions per second
✓ Native	100,957,368 Ops/sec
Native + toFixed	15,348,917 Ops/sec
big.js	3,208,794 Ops/sec
bignumber.js	1,347,600 Ops/sec
decimal.js	1,340,966 Ops/sec

bignumber.js vs. big.js vs. decimal.js 20250401 (version: 1)

- https://github.com/MikeMcl/bignumber.js/tree/v9.0.0 - https://github.com/MikeMcl/big.js/tree/v5.2.2 - https://github.com/MikeMcl/decimal.js/tree/v10.2.0

Comparing performance of: `Native vs Native + toFixed vs decimal.js vs big.js vs bignumber.js`

Created: one year ago by: Guest

Go to the latest result

Native

Native + toFixed

decimal.js

big.js

bignumber.js

Historical Performance Data aggregated from 12 community runs

Desktop Results:

Chrome 7 runs

Firefox 5 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

bignumber.js vs. big.js vs. decimal.js 20250401 (version: 1)

- https://github.com/MikeMcl/bignumber.js/tree/v9.0.0 - https://github.com/MikeMcl/big.js/tree/v5.2.2 - https://github.com/MikeMcl/decimal.js/tree/v10.2.0

Comparing performance of: Native vs Native + toFixed vs decimal.js vs big.js vs bignumber.js

Created: one year ago by: Guest

Go to the latest result

Native

Native + toFixed

decimal.js

big.js

bignumber.js

Historical Performance Data aggregated from 12 community runs

Desktop Results:

Chrome 7 runs

Firefox 5 runs

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Related benchmarks

Comparing performance of: `Native vs Native + toFixed vs decimal.js vs big.js vs bignumber.js`