# Basic Units of Measurement and Conversion Factors

In this construction video tutorial, you will be familiar with various methods of measurements and conversion factors which are frequently used in civil engineering. It will help you to convert among various units of weight and volume. Measurement is considered as one of the most crucial factors in civil engineering and devoid of proper measurement, the construction work will be imperfect and incomplete. The construction sites in India usually adhere to SI system of measurements.

Weight:

1 Kilo Gram = 1000 grams
Newton = 100 grams
1 Kilo Newton = 100 kilogram
1 Tonne = 1000 kilogram
1 Imperial Ton = 1016 kilogram
1 US Ton = 907 kilogram
1 Pound = 450 grams
1 Ounce = 28 grams

Area:

1 hectare = 2.47 acres = 10000m
1 acre = 4047 m2 = 43560 ft2
1 square foot = 144 square inch
1 square kilometer = 100 hectares
1 square mile = 640 acres
1 square meter = 10.76 square foot = 1550 square inch

Length

1 inch = 2.54 cm
1 cm = 10 mm
1 foot = 12 inches = 0.3048m
1 m = 100 cm = 3.28 ft.
1 yard = 3 ft.
1 mm = 0.001m
1 cm = 10 mm
1 km = 1000m
1 km = 062137 Miles
1 Mile = 5280 ft = 1.609 km