COMMON UNIT CONVERSION TABLES – METRIC & FPS

Below are some useful and common unit conversion tables used by civil engineers to convert metric and fps units.


1. Length

fps to metric Metric for FPS
1 in 2.54 cm 1 cm 0.393701 inch
1 foot 30.48 cm 1 square meter 3.28084 feet
1 year 0.09144 square meter 1 square meter 1.09361 yd
1 series 20.1168 square meters 1 km 49.7097 chain
1 furlong 0.1201168 km 1 km 4.97097 furlong
1 mile 1.609344 km 1 km 0.621371 miles

2. Area

fps to metric Metric for FPS
1 in2 6.4516 cm2 1 cm2 0.155 inch2
1 foot2 0.0929030 square meters2 1 square meter2 10.7639 ft2
1 year2 0.836127 square meter2 1 square meter2 1.19599 years2
1 acre 0.404686 hectare 1 hectare 2.47105 acres
1 square mile 2.58999 km2 1 km2 0.386102 square miles

3. quantity and capacity

fps to metric Metric for FPS
1 in3 16.3871 cm3 1 cm3 0.0610237 inches3
1 foot3 0.0283168 square meter3 1 square meter3 35.3147 ft3
1 year3 0.764555 square meter3 1 square meter3 1.30795 years3
1 tsp gallon 4.54609 liters 1 liter 0.219969 Imp Gallon
1 US gallon 3.78541 liters 1 liter 0.264172 US Gallons

4. Mass

fps to metric Metric for FPS
1 lb 0.453592 kg 1 kg 2.20462 lb
1 cwt 50.8023 kg 1 ton 19.6841 CWT
1 ton 1.01605 Ton (Metric) 1 ton 0.984207 Ton

5. Mass per unit length

fps to metric Metric for FPS
1 pound/inch 17.8580 kg/m 1kg/m 2.01594 lb/year
1 pound/feet 1.4886kg/m 1kg/m 0.0559974 lb/inch
1 pound/year 0.496055kg/m 1kg/m 0.671969 lb/ft

6. Density or mass per unit volume

fps to metric Metric for FPS
1 pound/inch3 27.6799 g/cm3 1 g/cm3 (=1 kg/m3, 0.0361273 lb/inch3
1 pound/feet3 16.0185 kg/m3 1 g/cm3 62.4280 lb/ft3
1 ton/yd3 1.32894 g/cm3 1 g/cm3 0.75248 ton/yd3

7. pressure or tension

fps to metric Metric for FPS
1 pound/feet2 4.88243 kg/m2 1kg/m2 0.204816 lb/ft2
1 pound/inch2 0.0703070 kg/cm2 1kg/cm2 14.2233 lb/inch2
1 ton/feet2 1.09366 kg/cm2 1kg/cm2 0.914358 ton/feet2
1 ton/inch2 0.157488 ton/cm2 1 ton/cm2 6.34971 ton/inch2

Er. Mukesh Kumar

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Er. Mukesh Kumar is Editor in Chief and Co-Funder at ProCivilEngineer.com Civil Engineering Website. Mukesh Kumar is a Bachelor in Civil Engineering From MIT. He has work experience in Highway Construction, Bridge Construction, Railway Steel Girder work, Under box culvert construction, Retaining wall construction. He was a lecturer in a Engineering college for more than 6 years.