Irrigation Cost Calculator
Works out the total cost of running an irrigation pump and the cost per acre of the land it waters.
Recent
Formula
How the calculation works
The operating cost multiplies the pumping hours by the hourly cost of running the pump, covering power, oil and operator time.
Fuel is added as a separate line, so a shared diesel bill or a one-off fuel purchase is captured without changing the hourly rate.
Dividing the total by the acres irrigated gives the per acre figure, so 2,000 taka over 2 acres is 1,000 taka per acre.
Common mistakes
- Forgetting the fuel line and counting only the hourly rate understates the cost of a diesel pump, which is usually the larger expense.
- Spreading the cost over the whole farm instead of only the irrigated acres understates the true per acre figure of the watered plot.
When to use it
- Use it to decide whether a diesel pump or an electric one is cheaper for a given plot before the season starts.
- Use it per watering to track irrigation spending and split the cost fairly among shared plots.
Worked example
Running a pump for 10 hours at 150 taka an hour with 500 taka of fuel costs 2,000 taka, or 1,000 taka per acre on 2 acres.
Common questions
Does the hourly cost already include fuel?
It usually covers only power, oil and operator time, so enter the fuel or electricity bill separately in the fuel field to avoid underestimating the irrigation cost.
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