Answer & explanation
The official answer, with Fermi’s reasoning step by step.
Answer & explanation
Official answer
75,000
gallons
How to estimate it
Fermi’s official “Napkin math”
Picture the tanker trucks that refill a gas station. Each one holds about 9,000 gallons. How many truckloads would it take to keep this ship going for one day? It's a floating city, so a whole line of them. Call it 8.
- Tanker truck
- ~9,000 gal
- Truckloads a day
- × 8
- 9,000 × 8
- ≈ 72,000 gal
Picture the tanker trucks that refill a gas station. Each one holds about 30,000 liters. How many truckloads would it take to keep this ship going for one day? It's a floating city, so a whole line of them. Call it 10.
- Tanker truck
- ~30,000 L
- Truckloads a day
- × 10
- 30,000 × 10
- ≈ 300,000 L
Rounded assumptions may give a slightly different estimate. The official answer above is the game’s reference value.
Source calculation & reference
- Ships over 300 m at 85%+ load (Marine Insight)
- 235 to 250 tonnes a day
- 250 tonnes of marine fuel
- ≈ 73,000 gal
- Cross-check: Harmony of the Seas, reported
- 66,000 gal a day
- ≈
- 75,000 gallons (284,000 L)
Reference cited by Fermi: Marine Insight: ships over 300 meters burn 235 to 250 tonnes a day
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