Free Florida alimony calculator to estimate annual alimony payments and monthly alimony payments. How much alimony can I expect to pay in Florida?Our simple, easy to use alimony calculator will provide the answer. This Florida Alimony Calculator will not give you an "official" figure, because Florida alimony law does not gave an official guide to alimony calculation. This California alimony calculator calculates California maintenance using the California county alimony formulas. California doesn't use a "calculator" for determining the amount of long-term spousal support. With SB 1416 potentially reshaping Florida's alimony laws, our 2024 calculator offers a personalized glimpse into how these changes could affect you. First, you must enter the spouses' gross incomes. Enter the gross incomes into the appropriate inputs in the California Maintenance Calculator form. Length and amount of support is based on a set of factors.