Work out how much water a garden needs each week.
The recommended inches of water per week over the garden's area converts to gallons, then to a monthly water cost. Most plants thrive on a steady weekly inch of water, so estimating volume prevents both underwatering and wasted water.
Garden Watering
Gallons = area sq ft x inches x 0.623 (an inch of water over a sq ft)
Gallons = area sq ft x inches x 0.623 (an inch of water over a sq ft) The recommended inches of water per week over the garden's area converts to gallons, then to a monthly water cost.
Most plants thrive on a steady weekly inch of water, so estimating volume prevents both underwatering and wasted water.
This calculator takes 3 inputs: Garden area, Water per week, Water price. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.