Gardening Calculators

Calculate grass seed needed for new lawns, overseeding or repair. Get bag counts and cost estimates.

Calculate soil, bags and sleepers needed for raised garden beds with common size presets.

Calculate topsoil needed in cubic metres, tonnes or bags for garden beds and landscaping.

Calculate paving slabs needed for your patio or path. Includes jointing sand estimate.

Calculate mulch needed in litres and bags for garden beds and borders.

Calculate greenhouse growing capacity. See how many plants fit by type with common size presets.

Calculate pond volume in litres, pump size and liner dimensions for rectangle, circle or oval ponds.

Calculate fence paint or stain needed based on panels, height and number of coats.