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Grain Science and Industry

Common Units and Conversions

Listed below are common units used for measuring various quantities and the approximate conversion between SI and US units. Applets are also provided to convert between all units.

Mass/Weight
1 gr = 0.035264 oz = 0.002204 lb = 0.000001102 ton

Starting Value:

Convert to:

Result:

Weight-time Rates
1 gr/s = 0.002204 lb/s = 0.1323 lb/m = 7.937 lb/hr = 190.48 lb/day
= 5,797.59 lb/mo = 69,571 lb/yr

Starting Value:

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Result:

Work, Energy, and Heat
1 kwhr = 3412 Btu = 31,863,000 in. lb = 2,655,200 ftlb = 1.341 hphr

Starting Value:

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Result:

Temperature
1 K = -272.15 °C = -457.87 °F

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Result:

Volume
1 liter = 61.024 cu in = 0.264 gal = 0.0353 cu ft = 0.001307 cu yd

Starting Value:

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Result:

Volume-Flow rates
1 L/s = 0.0353 cu ft/s = 2.118 cu ft/m = 127.132 cu ft/hr = 0.264 gal/s
= 15.85 gal/m = 951.019 gal/hr

Starting Value:

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Result:

Length
1 m = 39.37 in = 3.28 ft = 1.093 yd = 0.000621 miles

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Result:

Area
1 sq m = 1973525241 cir mil = 1550 sq in = 10.763 sq ft = 1.196 sq yd
= 0.000 247 acre

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Result:

Density
1 gr/liter = 0.0000361 lb/cu in = 0.0624 lb/cu ft = 1.686 lb/cu yd
= 0.00835 lb/gal = 0.0000312 ton/cu ft = 0.0008424 ton/cu yd

Starting Value:

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Result:

Velocity
1 m/s = 3.281 ft/s = 196.850 ft/m = 11,811.023 ft/hr = 0.0373 mi/m
= 2.236 mi/hr

Starting Value:

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Result:

Pressure
1 pascal = 0.004014 in water = 0.000335 ft water = 0.000295 in Hg
= 0.00232 oz/sq in = 0.000145 lb/sq in = 0.02089 lb/sq ft

Starting Value:

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Result:

Power
1kw = 1000 w = 1.34102 hp = 737.562 ftlb/s = 44,253 ftlb/min = 2,655,223 ftlb/hr
= 0.948 Btu/s = 56.9 Btu/min = 3413 Btu/hr

Starting Value:

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Result: