Complete the fields below and press calculate to estimate alimony. The figures presented are based on legal California alimony guidelines.This California alimony calculator calculates California maintenance using the California county alimony formulas. Maintenance, or spousal support, is crucial when major life changes occur within family dynamics. Use our California maintenance calculator. The Payment Estimator applies the statewide uniform guideline calculation to the information that you enter into the blank fields. All alimony in California is based on one spouse's need for support and the other spouse's ability to pay. Agreements must be fair and reasonable. The San Jose Spousal Support Lawyers at Aeschleman Law can help you determine your permanent spousal support rights or obligations. Most judges use support calculators to figure out the amount, such as their county's approved computer software programs like DissoMaster.