There is no hard and fast rule to calculate spousal or partner support, like there is for child support. You and your spouse or partner can agree on how much support will be paid. This should be set out in a written agreement, such as a pre-nuptial agreement, a cohabitation agreement or a separation agreement. If you and your spouse or partner cannot agree, then a judge decides if one spouse or partner should pay support to the other. Spousal or partner support may be a lump sum payment or periodic payments or monthly payments. It all depends on your situation. The Spousal Support Advisory Guidelines are a reference point for calculating spousal support, but they are not law. In many provinces, including Alberta, the courts have said the Guidelines are a starting point. And if you are asking for an amount different than the guidelines, you will have to explain why. There are no similar guidelines for adult interdependent partners. Last Reviewed: March 2021