English/Metric Conversion
All measurements in The Penn State Agronomy Guide are reported in English units, e.g., lb/A. However, you may have access to some data reported in metric units. If so, the conversions shown below may be of interest to you.
| To convert column 1 into column 2, multiply by |
Column 1 | Column 2 | To convert column 2 into column 1, multiply by |
|---|---|---|---|
| 1.609 | mile, mi | kilometer, km | 0.621 |
| 0.914 | yard, yd | meter, m | 1.094 |
| 2.540 | inch, in | centimeter, cm | 0.394 |
| 2.590 | mile2, mi2 | kilometer2, km2 | 0.386 |
| 0.00405 | acre, A | kilometer2, km2 | 247.1 |
| 0.405 | acre, A | hectare, ha (0.01 km2) | 2.471 |
| 102.8 | acre-inch | meter3, m3 | 0.00973 |
| 0.2852 | cubic foot, ft3 | hectoliter, hl | 3.532 |
| 0.352 | bushel, bu | hectoliter, hl | 2.838 |
| 0.946 | quart (liquid), qt | liter, L | 1.057 |
| 0.9072 | ton (English), T | ton (metric), T | 1.102 |
| 0.00454 | pound, lb | quintal, q | 220.5 |
| 0.454 | pound, lb | kilogram kg | 2.205 |
| 2.242 | ton (English)/acre | ton (metric)/hectare | 0.446 |
| 1.121 | lb/acre | kg/ha | 0.892 |
| 1.121 | hundredweight/acre | quintal/hectare | 0.892 |
| 0.0703 | lb.inch2, psi | kg/cm2 | 14.22 |
| 0.06895 | lb/in2, psi | bar | 14.50 |
| 1.013 | atmosphere, atm* | bar | 0.9869 |
| 1.033 | atmosphere, atm* | kg/cm2 | 0.9678 |
| 0.06805 | lb/in2, psi | atmosphere, atm* | 14.70 |
| 0.555(F-32) | Fahrenheit, F | Celsius, C | 1.80C + 32 |
| 10.764 | foot-candle, ft-c | lux | 0.0929 |
| * An "atmosphere" may be specified in metric or English units. | |||
