Moisture content or water content in soil is an important parameter for building construction. It is determined by several methods and they are: 1. Oven drying method 2. Calcium carbide method 3. Torsion balance method 4. Pycnometer method 5. Sand bath method 6. Radiation method 7. Alcohol method Of all the above oven drying method is most common and accurate method. In this method the soil sample is taken and weighed and put it in oven and dried at 110o + 5oC. After 24 hours soil is taken out and weighed. The difference between the two weights is noted as weight of water or moisture content in the soil.