Kerbal DeltaV Helper
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
Set Mass
Rocket Parameters
Gravity:
m/ss
TWR:
0
5
Boosters:
0
20
Main Engine %:
0
100
Rocket Design
Total mass:
tons
Lifting mass:
tons
Total thrust:
kN
Booster thrust:
kN
Total fuel:
tons
Center fuel:
tons
Per booster fuel:
tons
Per booster thrust:
kN
Main thrust:
kN
+ Main
+ Booster