Free · Agriculture

Field Coverage from Width, Speed & Overlap

Estimate area covered per hour and moving time from implement width, travel speed and overlap, with acre and hectare conversion.

  • Formula & worked example
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Calculator inputs

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How to use this calculator

  1. Enter the known values in the units shown. Results update as you type.
  2. Where results are editable, change one to solve backwards. Lock a value to hold it fixed.
  3. Use the worked example to check the method. Reset restores the starting fields.

Private by default

Inputs and results stay in this browser tab. Bookify does not upload or store the values you enter.

Formula and method

At 10 km/h with a 3 m implement and 10% overlap, coverage is 2.7 hectares per hour. Covering 5.4 hectares takes 2 hours of continuous travel.

Area per hour = speed × width × (1 − overlap); moving time = area / coverage rate

Worked example

Enter these known values and leave the other values blank.

Full implement width
300 cm
Continuous operating speed
10 km/h
Fraction of width overlapped
10 %
Plot area
5.4 ha
Coverage rate while moving
2.7 ha / hrs
Continuous moving time
2:0 hrs / min

Assumptions and limitations

  • Width, speed, area, coverage rate and moving time are positive. Overlap ranges from zero up to, but not including, 100%.
  • The overlap adjustment accounts only for repeated width. Turning, refilling, travel between fields, maintenance and other delays are excluded.
  • This is a continuous-coverage estimate, not a complete effective field-capacity model. Add operation-specific delays separately for scheduling.
  • An acre uses the international foot definition. The soccer-pitch option assumes 7,140 m² and is an illustrative area, not a universal pitch size.

Common questions

Why might the actual job take longer?

The result includes moving coverage only. Turns, obstacles, stops, refills and changing operating conditions add time.

What does 10% overlap mean here?

Ten percent of the implement width repeats an already covered strip, so the model uses 90% of the entered width as productive coverage.

References

The international acre is exactly 43560 square international feet; Bookify replaces the rounded captured area factor.

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