Put a number on the demurrage before the bill lands
Free time at the terminal runs out faster than you think, then the charges compound daily. Enter your free days, days out and the line per-diem to see your exposure. Runs on your device.
Ocean Container Demurrage & Storage Calculator
How it works: chargeable days = days out − free days (never below zero), × your line per-diem. Many lines tier the per-diem (it rises after the first few days) — if yours does, run each tier separately. Nothing you enter leaves your device.
Make sure the rate covers it.
Get an instant truckload quote for any equipment type, then use the free tools to keep the rate and the paperwork fair.
Quotes are provided by our partner, Freight Sidekick; we may earn a commission when you book. This calculator is an estimate from the numbers you enter — not legal, tax or accounting advice.