马斯克自己公布数据一次发射燃料成本90万美元。

下面是Quara论坛上高赞的计算，结果是96万美元，和马斯克的很接近。后面很多人通过不同方式计算，都得出类似的结论。这是星舰本体及助推器的总计燃料消耗。

CALCULATING THE COST OF PROPELLANT:

StarShip uses 1,200 tonnes of propellant.
SuperHeavy uses about 3,300 tonnes.
So 4,500 tonnes in total.

Using Methane and oxygen, basic chemistry says that you need 3.55 tonnes of liquid oxygen (LOX) to every 1 tonne of liquid methane (LCH4). So 3,510 tonnes of (LOX) versus 989 tonnes of LCH4.
NASA pay $160 per tonne for oxygen - and on the open market, Liquid Methane is around $400 per tonne.
So - that would be about $562,000 worth of oxygen and $396,000 for Methane…
A total of $957,200 per orbital launch.
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