30 kg

What Is The Weight Of A 30 Kg Mass? Fw = 30 kg * 9.8 m/s^2 = 294 N. To change from weight to mass divide by gravity (9.8 m/s^2). How much does a 1 kg mass weigh? An object that has a mass of 1 kg weighs about 9.8 N. So if you already