Category 14
Garden & outdoors calculators
Plan soil, plants, water, materials, and recurring outdoor costs.
15 practical tools
All 15 calculators are available now with visible formulas and assumptions.
Lawn seed quantity
How much seed covers the lawn at the recommended application rate?
Lawn fertilizer quantity
How much fertilizer is needed for the lawn area?
Compost quantity
What compost volume covers the beds at the chosen depth?
Raised bed soil
How much soil fills the raised beds after settling allowance?
Garden watering cost
What does a watering schedule use and cost each month?
Rain barrel savings
How much mains water can collected rain replace?
Plant spacing count
How many plants fit the bed at the chosen spacing?
Hedge plant count
How many plants are needed for a hedge of the chosen length?
Deck stain quantity
How much stain is needed for the deck area and number of coats?
Pool volume
How much water does a rectangular or average-depth pool hold?
Pool heating cost
What does raising the pool temperature cost at the entered efficiency?
Firewood volume
What stacked firewood volume follows from the pile dimensions?
Greenhouse heating cost
What does running the greenhouse heater cost over cold periods?
Tree mulch ring
How much mulch is needed for rings around several trees?
Irrigation run-time & water depth
How long should irrigation run to apply a chosen water depth?