# Cargo Operation Time — Free port and charter calculator > Calculate loading or discharging time from number of cranes, hourly rate per crane and efficiency. - URL: https://demo.fcrsoft.com/en/maritime/cargo-operation-time - Language: en - Updated: 2026-10-03 - Publisher: FCRSOFT (https://fcrsoft.com) [Demos](https://demo.fcrsoft.com/?hl=en) / [Free Tools](https://demo.fcrsoft.com/en/tools) / [Maritime Calculators](https://demo.fcrsoft.com/en/maritime) / Cargo Operation Time Free tool # Cargo Operation Time Calculate loading or discharging time from number of cranes, hourly rate per crane and efficiency. No sign-up needed; results update as you type. [See the system that does this automatically Open the live demo](https://demo.fcrsoft.com/login.php?package=voyage) ## Calculator Cargo quantity : 50000 t Cranes working : 4 pcs Hourly rate per crane : 250 t/hour Efficiency : 70 % This calculator runs in your browser; the data you enter is not stored. ## Results Total hourly rate 700 t/hour Operation time 2 d 23 h Daily rate 16,800 t/day **Port Calls and Laytime on Autopilot**Result: **2 d 23 h**. FCRSOFT derives the laytime calculation from port events automatically and links it to the charter party. [Open the live demo](https://demo.fcrsoft.com/login.php?package=voyage) [Request a demo](https://fcrsoft.com/en/contact/) ## Cargo Operation Time: worked example Example values: Cargo quantity 50,000 t, Cranes working 4 pcs, Hourly rate per crane 250 t/hour, Efficiency 70 %. With these values the results are: | Total hourly rate | 700 t/hour | | Operation time | 2 d 23 h | | Daily rate | 16,800 t/day | ### How to use: Cargo Operation Time - Enter your own values: Cargo quantity, Cranes working, Hourly rate per crane, Efficiency. - Results are calculated as you type: Total hourly rate, Operation time, Daily rate. - Check every step of the calculation in the formulas below. ## How is it calculated? - **Total hourly rate** = [Cranes working] × [Hourly rate per crane] × [Efficiency] ÷ 100 - **Operation time** = [Cargo quantity] ÷ [Total hourly rate] - **Daily rate** = [Total hourly rate] × 24 ## Other tools running on Laytime and Charter Engine Calculates laytime, demurrage and despatch from NOR, turn time, excepted periods and rates. - [Time Charter Calculator](https://demo.fcrsoft.com/en/maritime/time-charter-calculator) - [Voyage Charter Calculator](https://demo.fcrsoft.com/en/maritime/voyage-charter-calculator) - [ETB Calculator](https://demo.fcrsoft.com/en/maritime/etb-calculator) - [ETC Calculator](https://demo.fcrsoft.com/en/maritime/etc-calculator) - [Port Stay Calculator](https://demo.fcrsoft.com/en/maritime/port-stay-calculator) - [Port Time Calculator](https://demo.fcrsoft.com/en/maritime/port-time-calculator) - [Port Cost Calculator](https://demo.fcrsoft.com/en/maritime/port-cost-calculator) - [Port Call Cost](https://demo.fcrsoft.com/en/maritime/port-call-cost) - [Berth Time Calculator](https://demo.fcrsoft.com/en/maritime/berth-time-calculator) - [Laytime Calculator](https://demo.fcrsoft.com/en/maritime/laytime-calculator) - [Laycan Calculator](https://demo.fcrsoft.com/en/maritime/laycan-calculator) - [NOR Calculator](https://demo.fcrsoft.com/en/maritime/nor-calculator) FCRSOFT ## FCRSOFT does this for you automatically You don’t need to do the calculations and checks on this page by hand every day. FCRSOFT derives them all automatically from the records entered in the field. - Port events are recorded as a timeline. - Laytime, demurrage and despatch are calculated from port events. - Port costs are linked to the voyage and the charter party. [Open the live demo](https://demo.fcrsoft.com/login.php?package=voyage) [Explore the Voyage & Chartering package](https://demo.fcrsoft.com/demo/voyage?hl=en) [demo.fcrsoft.com](https://demo.fcrsoft.com/login.php?package=voyage) ## Frequently asked questions How is Cargo Operation Time calculated? Calculate loading or discharging time from number of cranes, hourly rate per crane and efficiency. The calculation uses Laytime and Charter Engine: Calculates laytime, demurrage and despatch from NOR, turn time, excepted periods and rates. How is Operation time found? Operation time = [Cargo quantity] ÷ [Total hourly rate]. With the example values (Cargo quantity 50,000 t, Cranes working 4 pcs, Hourly rate per crane 250 t/hour, Efficiency 70 %) the result is 2 d 23 h. Worked example: Cargo Operation Time Example values: Cargo quantity 50,000 t, Cranes working 4 pcs, Hourly rate per crane 250 t/hour, Efficiency 70 %. Total hourly rate: 700 t/hour; Operation time: 2 d 23 h; Daily rate: 16,800 t/day. Is Cargo Operation Time free? Yes. The tool is free, needs no sign-up and runs in your browser; the data you enter is not stored. Can FCRSOFT do this calculation automatically? FCRSOFT derives the laytime calculation from port events automatically and links it to the charter party. You can try the Voyage & Chartering package in the live demo without installing anything. ## Related tools and guides [Free tool ### Berth Time Calculator Calculate how long the ship stays at berth from cargo quantity, handling rate and preparation time. Open the tool](https://demo.fcrsoft.com/en/maritime/berth-time-calculator) [Free tool ### ETC Calculator Calculate the estimated time of completion (ETC) from berthing time, cargo quantity and handling rate. Open the tool](https://demo.fcrsoft.com/en/maritime/etc-calculator) [Free tool ### Laytime Calculator Calculate allowed time, time used and demurrage or despatch from cargo, daily loading rate, NOR and turn time. Open the tool](https://demo.fcrsoft.com/en/maritime/laytime-calculator) [Guide ### What Is Laytime and How Is It Calculated? Laytime in voyage charters, NOR, turn time, SHINC/SHEX terms, excepted periods and demurrage/despatch calculation with examples. Read the guide](https://demo.fcrsoft.com/en/maritime/what-is-laytime)