COMMON UNIT CONVERSION TABLES – METRIC & FPS

Basic Unit Conversion Tables

Some of the useful and common unit conversion tables used by civil engineers to convert Metric and FPS units are given below.

1.Length

FPS TO METRIC METRIC TO FPS
1in 2.54 cm 1cm 0.393701 in
1ft 30.48 cm 1m 3.28084 ft
1yd 0.09144 m 1m 1.09361 yd
1chain 20.1168 m 1km 49.7097 chains
1furlong 0.201168 km 1km 4.97097 furlongs
1mile 1.609344 km 1km 0.621371 mile

2.Area

FPS TO METRIC METRIC TO FPS
1in2 6.4516 cm2 1cm2 0.155 in2
1ft2 0.0929030 m2 1m2 10.7639 ft2
1yd2 0.836127 m2 1m2 1.19599 yd2
1acre 0.404686 hectare 1hectare 2.47105 acres
1sq mile 2.58999 km2 1km2 0.386102 sq mile

3.Volume & Capacity

FPS TO METRIC METRIC TO FPS
1in3 16.3871 cm3 1cm3 0.0610237 in3
1ft3 0.0283168 m3 1m3 35.3147 ft3
1yd3 0.764555 m3 1m3 1.30795码3
1Imp gallon 4.54609 litres 1litre 0.219969 Imp gallon
1US gallon 3.78541 litres 1litre 0.264172 US gallon

4.Mass

FPS TO METRIC METRIC TO FPS
1lb 0.453592 kg 1kg 2.20462 lb
1cwt 50.8023 kg 1tonne 19.6841 cwt
1ton 1.01605 tonne (metric) 1tonne 0.984207 ton

5.Mass per Unit Length

FPS TO METRIC METRIC TO FPS
1lb/in 17.8580 kg/m 1kg/m 2.01594 lb/yd
1lb/ft 1.4886 kg/m 1kg/m 0.0559974 lb/in
1lb/yd 0.496055 kg/m 1kg/m 0.671969 lb/ft

6.Density or Mass per Unit Volume

FPS TO METRIC METRIC TO FPS
1lb/in3 27.6799 gm/cm3 1gm/cm3(=1 kg/m3) 0.0361273 lb/in3
1lb/ft3 16.0185 kg/m3 1gm/cm3 62.4280 lb/ft3
1ton/yd3 1.32894 gm/cm3 1gm/cm3 0.75248 ton/yd3

7.Pressure or Stress

FPS TO METRIC METRIC TO FPS
1lb/ft2 4.88243 kg/m2 1kg/m2 0.204816 lb/ft2
1lb/in2 0.0703070 kg/cm2 1kg/cm2 14.2233 lb/in2
1ton/ft2 1.09366 kg/cm2 1kg/cm2 0.914358 ton/ft2
1ton/in2 0.157488 tonne/cm2 1tonne/cm2 6.34971 ton/in2

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