Free Ontario Spousal Support Calculator

Spousal support can be denied when the claiming spouse cannot establish entitlement. That usually happens after short marriages between two self sufficient people, where neither spouse sacrificed a career or was left economically disadvantaged by the marriage or its breakdown. It can also be denied or limited where a valid domestic contract waives support, where the claiming spouse already earns as much as or more than the other, or where the claimed need is not connected to the relationship. Entitlement is always the first question, and it is decided before any formula range is considered.

Under the Without Child Support formula, duration generally runs from half a year to one year for every year of marriage or cohabitation. A 10 year relationship suggests 5 to 10 years of support. Support becomes indefinite, meaning no end date is set at the outset, when the relationship lasted 20 years or more, or when the rule of 65 applies. Indefinite does not mean permanent. Support can still be reviewed, varied, or terminated later if circumstances change, for example on retirement or when the recipient becomes self sufficient.

Periodic spousal support paid under a written agreement or court order is generally taxable income for the recipient and tax deductible for the payor. Lump sum spousal support is treated differently and is generally neither taxable nor deductible. This tax treatment is the opposite of child support, which is neither deductible for the payor nor taxable for the recipient. The tax consequences can significantly change what a support number really costs or delivers, which is one reason an Ontario family lawyer should review the numbers before you sign anything.

The rule of 65 makes spousal support indefinite, meaning no fixed end date, even when the marriage lasted less than 20 years. It applies when the recipient’s age at separation plus the length of the marriage adds up to 65 or more, provided the marriage lasted at least 5 years. For example, a 58 year old recipient separating after a 12 year marriage reaches 70, so the rule applies. It reflects the reality that older spouses leaving medium length marriages often cannot rebuild earning capacity before retirement.

Yes, spousal support can be limited or waived in a marriage contract or cohabitation agreement in Ontario, and courts generally respect properly made agreements. But the waiver is not bulletproof. A court can set aside or override a support waiver if a party failed to disclose significant assets or income, if a party did not understand what they were signing, if the agreement was signed under pressure, or if enforcing it would produce circumstances that are unconscionable or fail to meet the objectives of the Divorce Act. Independent legal advice and full financial disclosure make an agreement far more likely to hold up.