TO CONVERT A TO B - MULTIPLY BY C

TO CONVERT B TO A - DIVIDE BY C

acre (Ac)

hectare (ha)

0.4047

acre (Ac)

square metre (m²)

4046

bushel (bu.) (maize)

tonne (t) (metric)

0.0254

bushel/acre (bu./acre)

tonne/hectare (t/ha)

0.06272

bushel/acre (bu/Ac) Soya

tonne/hectare (t/ha)

0.06725

cubic foot (ft.³)

cubic metre (m³)

0.0283

cubic foot/second (ft. ³/s)

cubic metre/hour (m³/h)

0.102

cubic foot/second (ft. ³/s)

cubic metre/second (m³/s)

28.32

cubic metre/hour (m³/h)

litre/second (ℓ/s)

0.2832

degree Fahrenheit (°F)

degree Celcius (°C)

Tc = (Tf – 32)/1.8

fluid ounce (US) /acre (fl/Ac)

litre/hectare (ℓ/ha)

0.07307

foot (ft.)

metre (m)

0.3048

gallon (gal.) (UK)

litre (ℓ)

4.546

gallon (gal.) (USA)

litre (ℓ)

3.78

gallon/acre (US) gal./Ac)

litre/ht (ℓ/ha)

9.35

hectare (ha)

square metre (m²)

10 000

horse-power (H.P.)

kilowatt (kW)

0.7463

hundredweight/acre (cwt/Ac)

tonnes/hectare (t/ha)

0.1256

inch (in.)

metre (m)

0.0254

mile (m.)

kilometre (km)

1.6093

mile/gallon (m.p.g.)

kilometre/litre (km/ℓ)

0.354

mile/hour (m.p.h.)

kilometre/hour (km/h)

1.6093

mile/hour (m.p.h.)

metre/second (m/s)

0.447

pint (UK)

mililitre (mℓ)

568

pint (USA, liquid)

mililitre (mℓ)

473

pound (lb)

kilogram (kg)

0.4536

pound/square inch (lb./in².)

kilopascal (kPa)

7.0

pound/cubic foot (lb./ft³)

kilogram/cubic metre (kg/m³)

16.0

square yard (yd².)

square metre (m²)

0.8361

ton (T) (UK)

tonne (t) (metric)

0.907

tonne (t) (metric)

kilogram (kg)

1 000

yard (yd.)

metre (m)

0.9144

91 kg bag/acre

tonne/ha (t/ha)

0.2249

50 kg bag/acre

tonne/ha (t/ha)

0.1235

1 part per million = 1 milligram per kilogram (mg/kg) or 1 mililitre per litre (mℓ/ℓ)

1% = 10 000 parts per million = 10 gram per kilogram (g/kg) or 10 mililitre per litre (mℓ/ℓ)