Mass-specific impulse Calculator

The mass-specific impulse (Isp) formula is typically used in the context of rocket propulsion and is calculated as the total impulse divided by the propellant mass expended. Mathematically, it’s represented as:

Where:

  • is the mass-specific impulse (usually measured in seconds),
  • is the thrust generated by the rocket (measured in newtons),
  • is the duration of the rocket burn (measured in seconds),
  • is the mass of propellant expended during the burn (measured in kilograms).

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