The following calculator provides an estimate of a potential alimony award in the State of Washington. Learn how judges make decisions on alimony in Washington—whether to award maintenance, how much, and for how long—and whether you can change an award later.The calculator below can provide you with an estimate as to how a court may handle alimony. Get an estimate for alimony payments and duration. Get an idea on how much money a month you can expect to pay, and for how you can expect to pay it. Get precise alimony estimates with our Washington Alimony Calculator. This article and video explain spousal maintenance (alimony) in Washington State. They also explain undifferentiated family support. Washington state is different, and judges calculate alimony on a case-by-case basis. Calculate alimony quickly and accurately with our state-specific alimony calculators.