Is there a more general way of comparing the solubility of of a solid that takes stoichiometry into account?

For example, I know you can't directly compare the solubility product constants (K_sp) of compounds with different coefficients in their respective ions. It doesn't make sense to me that you'd want to calculate something like that every time if it already exists in table.

Question

Is there a more general way of comparing the solubility of of a solid that takes stoichiometry into account? 

For example, I know you can't directly compare the solubility product constants (K_sp) of compounds with different coefficients in their respective ions. It doesn't make sense to me that you'd want to calculate something like that every time if it already exists in table.