Calculate alimony quickly and accurately with our state-specific alimony calculators. Get an estimate based on your state's guidelines for free.Online Colorado alimony calculator from Graham.Law. This calculator is intended to be used only as a general tool to estimate potential splits and payments. Free Florida alimony calculator to estimate annual alimony payments and monthly alimony payments. The court will proceed to calculate the child support percentage that each of you owes. The total of both percentages must be 100 percent. Learn about the types of alimony available in Florida and how judges decide which type to award, how much the payments should be, and how long they'll last. This Colorado alimony calculator makes Colorado maintenance calculations using the Colorado alimony formula. The Central Depository Child Support and Alimony Office maintains a local Central Depository to receive and process court-ordered payments.