Civil Engineering Reference
In-Depth Information
Table 5-17
Metric Table of Linear Measure
Metric
Denomination
Meter
U.S. Value
1 millimeter
.001
.0394 inches
10 millimeters
1 centimeter
.01
.3937 inches
10 centimeters
1 decimeter
.1
3.937 inches
10 decimeters
1 meter
1.
39.3707 inches
3.28 feet
10 meters
1 dekameter
10.
32.809 feet
10 dekameters
1 hectometer
100.
328.09 feet
10 hectometers
1 kilometer
1000.
.62138 miles
10 kilometers
1 myriameter
10,000.
6.2138 miles
The kilometer is commonly used for measuring long distances.
The square meter (see Table 5-18) is the unit used for measuring
ordinary surfaces, such as flooring or ceilings.
Table 5-18
Metric Table of Square Measure
Measure
Equivalent
Equivalent
100 square millimeters
1 square centimeter
0.15
+
square
(mm
2
)
inch
100 square centimeters
1 square decimeter
15.5
+
square
(cm
2
)
inches
1 square meter (m
2
)
+
100 square decimeters
1.196
square
(dm
2
)
yards
The acre is the unit of land measure and is defined as a square
whose side is 10 meters, equal to a square dekameter, or 119.6 square
yards (see Table 5-19).
Table 5-19
Metric Table of Land Measure
Measure
Equivalent
Equivalent
1 centiare (ca)
1 square meter
1.196 square yards
100 centiares (ca)
1 acre
119.6 square yards
100 ares (A)
1 hectare
2.471 acres
100 hectares (ha)
1 square kilometer
0.3861 square miles
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