What is a suitable way to convey helping someone with their project as a future action using "would"?

The selection of "I would help you with your project" effectively uses "would" to indicate a potential future action dependent on certain conditions or scenarios. This construction is particularly suitable for expressing willingness or intention that is conditional upon the desired circumstances, such as the person asking for help or the context in which the help is needed.

In contrast, saying "I will help you with your project" expresses a definite commitment to help, lacking the conditional nuance that "would" conveys. "I might help you with your project" implies uncertainty, indicating that there is a possibility but not a promise or certainty of help. Meanwhile, "I could help you with your project" suggests the potential ability to help but does not communicate a clear willingness or intention. Therefore, "I would help you with your project" stands out as the most appropriate option for expressing a conditional future assistance.