Conversion calculator
Plant nutrients
The nutrient content of fertilisers can be declared as either oxide or elemental. These converters allow conversions between the two units.
P from/to P2O5
K from/to K2O
Ca from/to CaO
Mg from/to MgO
S from/to SO3
Ca from/to CaCO3
Na from/to Na2O
Na from/to NaCl
Fertigation
Fertigation and water analyses can be reported as a concentration of nutrients (mmol per litre) or as the weight of nutrients (mg per litre). These converters allow you to easily switch between the two units.
Nitrate (N)
Ammonium (N)
Phosphorus (P)
Potassium (K)
Calcium (Ca)
Magnesium (Mg)
Sulphur (S)
Boron (B)
Copper (Cu)
Iron (Fe)
Manganese (Mn)
Molybdenum (Mo)
Sodium (Na)
Zinc (Zn)
Chloride (Cl)
Bicarbonate (HCO3)
Yield and rate
Various units can be used to express weight per area for measurement of crop yield or fertiliser application rates. These converters allow conversions between common metric and imperial units.
kg-ha from/to lb-acre
kg-m3 from/to lb-bu
kg-ha from/to 60lb
kg-ha from/to 56lb
kg-ha from/to 48lb
kg-ha from/to cwt-acre
kg-ha from/to units-acre
kg-ha from/to bags-acre
L-ha from/to gallon-acre
L-ha from/to imperial gallon-acre
L-ha from/to US gallon-acre
m3-ha from/to gallon-acre
t-ha from/to lb-acre
t-ha from/to t-acre
Mg-ha from/to lb-acre
Mg-ha from/to ton-acre
meter-s from/to mile-h
Irrigation volume
Various units are used to measure the amount of water applied to an area for irrigation. Here are some conversions between the common metric and imperial units.
m3 from/to acre-in
m3/h from/to ft3/s
m3/h from/to gal/m
ha-m from/to acre-ft
ha-m from/to acre-in
ha-cm from/to acre-ft
Concentrations
Quick conversions between commonly used units for measuring concentrations.
cmol-kg from/to meq 100g
g-kg from/to %
mg-kg from/to ppm
mg-kg from/to ppb
Weight
Quick conversions between commonly used metric and imperial units for measuring weight.
g from/to lb
g from/to oz
kg from/to lb
kg from/to q
kg from/to ton
Mg from/to ton(US)
tonne from/to ton(US)
Pressure
Quick conversions between commonly used units for measuring pressure.
MPa from/to atmosphere
MPa from/to bar
Pa from/to lb-ft
Pa from/to lb-in
Pound per square inch from/to bar
Temperature
Quick conversions between commonly used temperature scales.
