Cereals Calculator - Agrii - Connecting Agri-science with farming
Agri intelligence

Cereals Calculator

This calculator will allow you to accurately assess your grain losses and identify the areas of loss so that adjustments can be made to maximise the efficiency of your combine and keep grain losses below 1%.

  • Combine Details

    My Combine

  • Crop Details

  • SWATHING STRAW with chaff spreader (i.e All losses minus pre- harvest shedding loss)
  • Number of heads in a 1mtr strip across width of header
  • Number of unthreshed grains in 50 threshed heads
  • Loose grain under outstretched hand in swath (not including Wind & Sieve loss)
  • Number of grains under outstretched hand across whole cutting width
  • Target Yield (t/ha)
  • CHOPPING STRAW (i.e All losses minus pre-harvest shedding loss)
  • under outstretched hand across whole cutting width (inc header loss)
  • per m2 (= 30 O/S hands) across whole cutting width (inc header loss)
  • Target Yield (t/ha)
  • Enter your email address and submit the form to get the calculations emailed to you.

« Return to Calulator Tools


Agrii would like to reassure you that all practical measures and facilities to minimise the risk to everyone from Covid-19 have been implemented across all Agrii sites.

We have listened to the expert advice and acted to protect our staff and the wider community and also to ensure that we continue to operate with minimal disruption for our customers. Our COVID-19 risk assessment detailing the measures we are taking can be viewed here. We are taking all necessary measures to ensure our high levels of service are maintained.

We would like to give a big thank you to our customers, suppliers and workforce for their pragmatic response and understanding during this difficult and testing time.