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How to do floating point/decimal math in Solidity

Created on August 2022 β€’ Tags: solidityguides

A guide on working with decimals in Solidity

Solidity has no concept of floating point numbers. But you can still do decimal math in Solidity.

The easiest way is to use a library. A commonly used one is ABDKMathQuad.

(use it at your own risk, this post is for educational purposes only. I have not verified if that package is legit, accurate or safe to use.)

Also see my post on math functions in Solidity and percentages in Solidity code

This post is incomplete and a work-in-progress
I'll update it soon and flesh it out with more info!

Spotted a typo or have a suggestion to make this crypto dev article better? Please let me know!

See all posts (70+ more)

See all posts (70+ more)

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