Contract Acceleration Clause Damages Calculator 2026
Acceleration clauses in commercial contracts (loans, leases, service agreements) make the entire future balance immediately due upon default. This tool computes accelerated damages and mitigation reductions courts typically apply.
How Acceleration Clauses Work
Standard provision in commercial loans, equipment leases, service contracts, and real estate leases. Upon defined default events (missed payment, bankruptcy, material breach), entire remaining contract balance becomes immediately due. Required language: 'all remaining payments hereunder shall, at lender's option, become immediately due and payable.'
Two Critical Reductions Courts Apply
(1) Present-value discount — accelerated balance must be discounted to present value (you're getting payments early). Courts typically use prevailing market rate. (2) Mitigation requirement — non-breaching party must take reasonable steps to mitigate damages (re-let leased premises, find replacement contract, sell collateral). Mitigation typically reduces damages 25-50%.
Penalty Clause Doctrine
Liquidated damages clauses enforceable if (a) actual damages difficult to estimate at contract formation, and (b) liquidated amount is reasonable estimate of actual damages. Courts void clauses that are 'penalty' (punishment for breach, not damages estimate). Restatement (Second) of Contracts §356. UCC §2-718 for goods contracts.
Source: Restatement (Second) of Contracts §356, UCC §2-718, Lake River Corp v. Carborundum Co (7th Cir 1985). Last updated: May 2026.