### How to Calculate a Concrete Weight | Sciencing

Sep 24, 2019· The unit of measurement for this volume is cubic meters. Multiply the volume in cubic feet by 2300 kilograms/mass^3. This product is the mass in kilograms of concrete that will fill the volume. If you would like to find the weight, multiply the mass in kilograms by 9.8 mass/s^2. This new product is the weight in newtons.