What is the si unit of acceleration due to gravity Share with your friends Share 0 Kashish Chaplot answered this Newton -1 View Full Answer Janardan L answered this Newton is the SI unit of gravitational acceleration (g) as it is also a kind of force(gravitational force ) Regards 0 Nick Kulkarni answered this Dear friend, Si unit of acceleration due to gravity is Newton. 0 Gurman answered this Metre per second square -2 Kunal answered this Dear student please see this pic -3 Abhiram B Page answered this S.I. unit of acceleration due to gravity (g) is m s-2 OR metre per second square. 1