This tool implements the rocket thrust calculations as described in the KSP wiki. It will help you figure out what type and how many engines you need on your rocket to get it into orbit

Payload: tons

Gravity: m/ss

TWR: | 05 | |

Boosters: | 020 | |

Main Engine %: | 0100 |

Total mass: | tons |

Lifting mass: | tons |

Total thrust: | kN |

Booster thrust: | kN |

Total fuel: | tons |

Center fuel: tons

Per booster fuel: tons

Per booster fuel: tons

Per booster thrust: kN

Main thrust: kN