Free tool

Vessel Cargo Calculator

Calculate volume used, hold utilization and total cargo from cargo quantity and stowage factor per hold. No sign-up needed; results update as you type.

See the system that does this automaticallyOpen the live demo

Calculator

HoldCargo (t)Stowage factor (m³/t)Hold volume (m³)VolumeOccupancyDelete
12,236 m³95.6 %
14,630 m³98.2 %
14,700 m³100.0 %
14,630 m³98.2 %
13,328 m³98.0 %

This calculator runs in your browser; the data you enter is not stored.

Results

Total cargo
51,500 t
Volume used
69,524 m³
Total volume utilization
98.1 %
DWT utilization
92.6 %

Vessel Cargo Calculator: worked example

The example table has 5 rows; other values: Available DWT (after fuel etc.) 55,600 t. With these values the results are:

Total cargo51,500 t
Volume used69,524 m³
Total volume utilization98.1 %
DWT utilization92.6 %

How to use: Vessel Cargo Calculator

  1. Enter your own values: Available DWT (after fuel etc.).
  2. Add or delete table rows as needed; totals update automatically.
  3. Results are calculated as you type: Total cargo, Volume used, Total volume utilization, DWT utilization.
  4. Check every step of the calculation in the formulas below.

How is it calculated?

  • Volume used (each row) = [Cargo (t)] × [Stowage factor (m³/t)]
  • Total volume utilization (each row) = [Cargo (t)] × [Stowage factor (m³/t)] ÷ [Hold volume (m³)] × 100
  • Total cargo = [Σ Cargo (t)]
  • Volume used = [Σ Volume used]
  • Total volume utilization = [Σ Volume used] ÷ [Σ Hold volume (m³)] × 100
  • DWT utilization = [Σ Cargo (t)] ÷ [Available DWT (after fuel etc.)] × 100

Ship calculations are estimates based on standard formulas. Loading, stability and draft decisions must be based on the ship’s approved documents and loading computer.

Other tools running on Vessel Hydrostatics Engine

Calculates DWT, displacement, draft, trim, TPC and MCT relationships with standard naval formulas; results must be checked against approved vessel data.

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.

  • DWT, TPC, draft and capacity data are stored on vessel cards.
  • Certificate and document expiry dates are tracked, with warnings before they lapse.
  • Voyage estimates use vessel data automatically.

Frequently asked questions

How is Vessel Cargo Calculator calculated?

Calculate volume used, hold utilization and total cargo from cargo quantity and stowage factor per hold. The calculation uses Vessel Hydrostatics Engine: Calculates DWT, displacement, draft, trim, TPC and MCT relationships with standard naval formulas; results must be checked against approved vessel data.

How is Total cargo found?

Total cargo = [Σ Cargo (t)]. With the example values (Available DWT (after fuel etc.) 55,600 t) the result is 51,500 t.

How is Total volume utilization found?

Total volume utilization = [Σ Volume used] ÷ [Σ Hold volume (m³)] × 100. With the example values (Available DWT (after fuel etc.) 55,600 t) the result is 98.1 %.

Worked example: Vessel Cargo Calculator

Example values: Available DWT (after fuel etc.) 55,600 t. Total cargo: 51,500 t; Volume used: 69,524 m³; Total volume utilization: 98.1 %; DWT utilization: 92.6 %.

Is Vessel Cargo Calculator 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 stores DWT, TPC and draft data on vessel cards and uses it automatically in voyage estimates. You can try the Fleet & Vessel package in the live demo without installing anything.

Do the results replace official ship calculations?

No. Ship calculations are estimates based on standard formulas. Loading, stability and draft decisions must be based on the ship’s approved documents and loading computer.

FCRSOFT

Keep Your Fleet and Vessel Data in One Place

Vessel cards, certificates, DWT, TPC and draft data live in FCRSOFT; you get early warnings for documents about to expire.

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