# Sum up three outputs from mqtt

**URL:** <https://discourse.nodered.org/t/sum-up-three-outputs-from-mqtt/13991>\
**Category:** General\
**Created:** [4 August 2019 10:53 UTC](https://discourse.nodered.org/t/sum-up-three-outputs-from-mqtt/13991 "2019-08-04T10:53:53Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [4 August 2019 11:23 UTC](https://discourse.nodered.org/t/sum-up-three-outputs-from-mqtt/13991/6 "2019-08-04T11:23:34Z")

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Been asked soooo many times. A simple search would uncover many threads.

This one might give you a head start....

> [@Summing all msg.payload in a month](https://discourse.nodered.org/t/summing-all-msg-payload-in-a-month/13723/16):
>
> [image] Thank you. It works! slight_smile

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