# How to calculator Grin mining reward for C29 and C31

**URL:** <https://forum.grin.mw/t/how-to-calculator-grin-mining-reward-for-c29-and-c31/6084>\
**Category:** Mining\
**Created:** [September 17, 2019, 3:14am UTC](https://forum.grin.mw/t/how-to-calculator-grin-mining-reward-for-c29-and-c31/6084 "2019-09-17T03:14:51Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![spica](https://avatars.discourse-cdn.com/v4/letter/s/85f322/32.png) [@spica](https://forum.grin.mw/u/spica)\
**Post date:** [September 17, 2019, 3:14am UTC](https://forum.grin.mw/t/how-to-calculator-grin-mining-reward-for-c29-and-c31/6084/1 "2019-09-17T03:14:51Z")

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I want to calculate the standard reward of different grin algorithms.  
For example, 1GPS works 24 hours in C29 and C31 revenue  
What parameters do I need and how to calculate

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**Author:** ![jaspervdm](https://yyz2.discourse-cdn.com/flex036/user_avatar/forum.grin.mw/jaspervdm/32/3095_2.png) [@jaspervdm](https://forum.grin.mw/u/jaspervdm)\
**Post date:** [September 17, 2019, 9:27am UTC](https://forum.grin.mw/t/how-to-calculator-grin-mining-reward-for-c29-and-c31/6084/2 "2019-09-17T09:27:43Z")

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> [@What to mine? Choosing between Cuckatoo31+ and Cuckaroo29](https://forum.grin.mw/t/what-to-mine-choosing-between-cuckatoo31-and-cuckaroo29/1732):
>
> Grin’s dual PoW system present miners with a choice: should they mine the GPU oriented Cuckaroo29, or the ASIC oriented Cuckatoo31+? First of all, let’s assume you want to mean mine with a GPU. CPUs kind of suck at the whole Cuckoo Cycle family, and lean mining is inherently very inefficient on all types of DRAM. The two PoWs have rather different memory requirements. The current cuckaroo\_cuda\_29 grin-miner plugin requires close to 5.5 GB, while both cuckatoo\_mean\_gtx\_cuda\_31 and cuckatoo\_mea…