Intermodal Container Per Diem & Equipment Use Calculator
Calculates intermodal equipment provider (IEP) chassis and container per diem charges past allowable free days.
Notice: engineering verification utility. Use test or de-identified data and verify results independently before relying on them.
How it works
Standard: Uniform Intermodal Interchange and Facilities Access Agreement (UIIA)
Formula: Per Diem Charge = Sum(Overdue Days * Tiered Daily Rate per Equipment Type)
Checks: Positive free days allowed; equipment interchange receipt timestamps
Calculated locally in browser memory; nothing leaves your browser.
Deterministic local-first client-side execution. Provided as-is without warranty.