CargoFlowPlus
Demurrage and Free Time Calculator for Containers
Estimate possible demurrage charges using your dates, free-time allowance and daily rate. This standalone planning estimate does not update tracked shipments or calculate a final invoice.
- Estimate chargeable days after free time
- Model exposure across multiple containers
- Use live tracking to monitor the shipments behind the estimate
An estimate based on your inputs
The calculator subtracts the free-time days you enter from elapsed days and applies your daily rate and container count. Actual billing may use different counting rules, rates and terms.
Free time needs operational context
Teams need more than a deadline. They need to know whether the shipment has arrived, discharged, been released, can be picked up, or needs manual review before committing transport.
Review the shipments behind the estimate
CargoFlowPlus helps you follow carrier ETA, discharge milestones and available pickup and return windows. Check release and terminal requirements separately before collection.
How CargoFlowPlus handles it
- Estimate the exposure: Enter containers, free time, daily charge, discharge date, and planned pickup date.
- Track the shipments separately: Add your shipment references in CargoFlowPlus to follow available carrier updates and pickup windows. Tracking does not automatically change this calculator.
- Prioritise follow-up: Review approaching deadlines and confirm applicable charges and collection requirements with the carrier or terminal.
Is this demurrage calculator a final invoice calculation?
No. It is a planning estimate. Actual demurrage, detention, storage, and terminal charges can vary by carrier, port, contract, customs status, and local rules.
How does CargoFlowPlus help after the estimate?
Use the shipment workspace to follow carrier ETA, reported milestones and available pickup and return windows. The calculator remains a separate estimate based on the values you enter.