Our Calculators
Grass Seed Calculator
Find out exactly how much grass seed you need for new lawns, overseeding or patching. Supports 7 grass types.
Calculate now → LiveSoil Calculator
Work out how much soil, compost or topsoil you need for raised beds, garden beds and planting areas. Shows bag counts.
Calculate now → LiveMulch Calculator
Calculate how much bark, wood chip or decorative mulch you need. Supports rectangular, circular and irregular areas.
Calculate now → LivePlanting Calendar
Know exactly when to sow, plant out and harvest 30+ vegetables. Month-by-month UK guide.
View calendar → LiveFertiliser Calculator
Work out how much fertiliser you need per square metre for lawns, beds and allotments. Covers Growmore, lawn feed and more.
Calculate now → NewCompost Calculator
Calculate how much compost you need for raised beds, borders and garden beds. Shows litres, bags and bulk bag counts.
Calculate now → NewLawn Feed Calculator
Find out exactly how much lawn feed per square metre. Covers spring/summer, autumn, weed & feed and moss killer.
Calculate now → NewWater Butt Calculator
How much rainwater can you collect from your roof? Find out how many water butts you need and how much you'll save.
Calculate now →