Voyage estimate
VLCC voyage: Covenas to Houston
A VLCC carrying 270,000 tonnes from Covenas to Houston sails about 1,779 nm laden on the open-sea route, about 5.9 days at 12.5 knots. With the ballast leg back and 4 days in port, the round voyage takes about 15.6 days and burns about 723 tonnes of fuel.
Round voyage
15.6 d
5.9 d laden
Laden distance
1,779 nm
Shortest route
Fuel (VLSFO)
723 t
Round voyage
CO2
2,277 t
Outside EU ETS
Round voyage breakdown
| Leg | Distance | Speed | Days | Fuel |
|---|---|---|---|---|
Laden Covenas → Houston | 1,779 nm | 12.5 kn | 5.9 | 326 t |
Ballast Houston → Covenas | 1,779 nm | 13 kn | 5.7 | 257 t |
Port time Loading and discharge | — | — | 4.0 | 140 t |
| Round voyage | 3,558 nm | 15.6 | 723 t |
Laden on the open-sea route; ballast on the open-sea route.
Emissions and EU ETS
The round voyage burns about 723 tonnes of VLSFO, emitting about 2,277 tonnes of CO2. Neither port is in the EU ETS area, so no EU allowances are needed for this voyage.
Assumptions
- Cargo
- 270,000 t
- Laden speed
- 12.5 kn at 55 t/day
- Ballast speed
- 13 kn at 45 t/day
- Port time
- 4 days at 35 t/day
- Laden draft
- 22.5 m
- CO2 factor
- 3.151 t per t fuel
Other ship sizes on this route
Questions
How long does a VLCC take from Covenas to Houston?
About 5 days 22 hours laden at 12.5 knots over 1,779 nm on the open-sea route. The full round voyage, with the ballast leg back and 4 days in port, takes about 15.6 days.
How much fuel does a VLCC burn on this voyage?
About 723 tonnes of VLSFO for the round voyage (326 t laden, 257 t ballast, 140 t in port), emitting about 2,277 tonnes of CO2.