Connecticut has no alimony formula
Connecticut does not use a fixed alimony formula. C.G.S. § 46b-82 lists factors the court must consider in awarding alimony, and § 46b-86 governs modification. Online 'alimony calculators' that produce a number are predicting what a court might do; they are not applying a statute.
The statutory factors
The statutory factors include: the length of the marriage; the cause of the dissolution; the age, health, station, occupation, amount and sources of income, vocational skills, employability, estate and needs of each spouse; the property division ordered in the dissolution; and, when the custodial parent has custody of a minor child, the desirability of that parent securing employment.

Length of the marriage
Length of marriage is the strongest single predictor in practice. Short-term marriages (under ten years) tend to produce rehabilitative alimony of limited duration. Mid-length marriages (ten to twenty years) frequently produce alimony measured against the marital lifestyle, with a term tied to the recipient's path to self-support. Long-term marriages (twenty-plus years) more often see longer or open-ended alimony, sometimes structured with step-downs.
Income disparity
Income disparity drives amount. Where one spouse earns substantially more, common in Fairfield County executive households, alimony is generally calculated against a target lifestyle and net-income figure rather than a percentage of the gross. Variable income (bonuses, RSUs, deferred comp) is often addressed through a base-plus-percentage structure.
How property division interacts with alimony
Property division and alimony are interrelated. A spouse who receives a larger share of the marital estate may receive lower alimony, and vice versa. The negotiation is rarely linear, which is why a calculator that knows only the incomes cannot produce a meaningful answer. The firm helps clients understand the realistic range based on the actual statutory analysis a court will apply.
Common questions
- Does Connecticut have an alimony formula?
- No. Unlike child support, Connecticut has no alimony formula or calculator built into the law. Courts weigh the statutory factors in section 46b-82, including the length of the marriage, the causes of the breakdown, each party's age, health, station, occupation, earning capacity, and the property division itself.
- Then why do online alimony calculators exist?
- They apply formulas borrowed from other states or from settlement patterns. They can be a rough starting point for conversation, but a Connecticut court is not bound by any of them and will not apply them.
- How long does alimony last in Connecticut?
- There is no fixed rule. Duration is set case by case and often relates to the length of the marriage and the time reasonably needed for the receiving spouse to become self-supporting. Alimony can be time-limited, open-ended, or denied entirely.
- Can alimony be changed later?
- Usually, yes, on a showing of a substantial change in circumstances, unless the agreement made the award non-modifiable as to amount, duration, or both.
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