# Rounding down in a function node

**URL:** <https://discourse.nodered.org/t/rounding-down-in-a-function-node/39957>\
**Category:** General\
**Created:** [28 January 2021 21:10 UTC](https://discourse.nodered.org/t/rounding-down-in-a-function-node/39957 "2021-01-28T21:10:44Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![sudomac](https://avatars.discourse-cdn.com/v4/letter/s/e95f7d/32.png) [@sudomac](https://discourse.nodered.org/u/sudomac)\
**Post date:** [28 January 2021 21:10 UTC](https://discourse.nodered.org/t/rounding-down-in-a-function-node/39957/1 "2021-01-28T21:10:44Z")

</div>

Hello all!  
I am using a function node for math equations, and need to round a number down to the nearest integer. EX msg.payload=23.5, needs to be rounded down to 23. The normal JSON argument for this is $floor(), however this does not work in the function node.  
Any Ideas?

---

<div class="post-metadata">

**Author:** ![hotNipi](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/hotnipi/32/383_2.png) [@hotNipi](https://discourse.nodered.org/u/hotNipi)\
**Post date:** [28 January 2021 21:12 UTC](https://discourse.nodered.org/t/rounding-down-in-a-function-node/39957/2 "2021-01-28T21:12:16Z")

</div>

`Math.floor(23.5)`  
[https://www.w3schools.com/js/js\_math.asp](https://www.w3schools.com/js/js_math.asp)

---

<div class="post-metadata">

**Author:** ![sudomac](https://avatars.discourse-cdn.com/v4/letter/s/e95f7d/32.png) [@sudomac](https://discourse.nodered.org/u/sudomac)\
**Post date:** [28 January 2021 21:14 UTC](https://discourse.nodered.org/t/rounding-down-in-a-function-node/39957/3 "2021-01-28T21:14:16Z")

</div>

Rock on! Thank you!

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [11 February 2021 21:14 UTC](https://discourse.nodered.org/t/rounding-down-in-a-function-node/39957/4 "2021-02-11T21:14:43Z")

</div>

This topic was automatically closed 14 days after the last reply. New replies are no longer allowed.