# Calculate flow/rate from meter reading

**URL:** <https://community.homey.app/t/calculate-flow-rate-from-meter-reading/46951>\
**Category:** Questions & Help\
**Created:** [May 1, 2021, 5:16pm UTC](https://community.homey.app/t/calculate-flow-rate-from-meter-reading/46951 "2021-05-01T17:16:43Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Edwin\_D](https://sea1.discourse-cdn.com/flex025/user_avatar/community.homey.app/edwin_d/32/136417_2.png) [@Edwin\_D](https://community.homey.app/u/Edwin_D)\
**Post date:** [May 3, 2021, 8:21pm UTC](https://community.homey.app/t/calculate-flow-rate-from-meter-reading/46951/5 "2021-05-03T20:21:07Z")

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This is very hard to do. Every time you get a pulse, the amount of water used changes. But you’ll never know if you’ll get another pulse quickly or not for hours.

There’s an app [[APP] Insight Trends](https://community.homey.app/t/app-insight-trends/41992) that might help you to do what you need. It uses the insights to detect for instance rapid changes. I think it will allow you to trigger on the things you wish, even though it may not give you the actual flow rate per se.

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