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RocketPayloadFlightsStage 1Stage 2
~Markup
FuelTotalPrice/kgIncremental Savings
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tons$M$M$M$M$M$ per kg$ per kg
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Conventional 1️⃣201$90.0$30.0$80.0$0.3$200.3$10,015$10,015
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1Falcon 9 Expendable 1️⃣231$60.0$20.0$20.0$0.3$100.3$4,401-$5,614
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2F9 Stage 1 Reusable (x3)163$20.0$20.0$15.0$0.2$55.2$3,541-$860
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F9 Stage 1 Reusable (x10)1610$6.0$20.0$10.0$0.2$36.2$2,265-$1,276
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3Falcon Heavy 2️⃣ (x2)602$50.0$20.0$10.0$0.9$80.9$1,348-$917
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4Starship 3️⃣ (x10)10010$10.0$5.0$3.0$1.0$19.0$190-$1,158
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Starship (x50)10050$2.0$1.0$2.0$1.0$6.0$60-$130
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Starship to Mars 4️⃣1001$24.0$12.0$5.0$12.0$53.0$530$470
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Footnotes
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1️⃣
Estimates from Table 1.1 in "The Case for Space" by Robert Zubrin.
Fuel estimates:
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Average fuel cost estimates per fuel mix (no scaling for higher volumes).
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kg of propellant to send 1 kg payload
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2️⃣
Estimates based on stated price of Falcon Heavy launch.
$0.60
/kg RP1 + LOX
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3️⃣
Assumes mass produced cost of $150M for both stages.
$0.40
/kg CH4 + LOX
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4️⃣
Assumes full orbital refuel (12 trips to LEO).
Worth noting that Musk's LOX/LCH4 cost estimate is much
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*much* lower than this. Being conservative here.
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Starship orbital refuel
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100
tons payload
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1200
tons propellant
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$40
/kg all-in for 1 refuel (no markup)
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12
Total refuel trips
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$48
Total refuel cost (M)
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