Fertiliser & Lime Rate Calculator

Work out exactly how much lawn fertiliser and garden lime to apply—using Aussie‑friendly presets and metric units.

Lawn / garden area (m²)

Fertiliser

Fertiliser product All‑Purpose 10‑2‑6 (10 % N) Premium Lawn 16‑4‑8 (16 % N) Native Blend 5‑1‑5 (5 % N) Custom N % Application strength Light – 0.5 kg N/1 000 m² Standard – 1 kg N/1 000 m² Heavy – 1.5 kg N/1 000 m² Custom kg N/1 000 m²

Lime

Current soil pH < 5.5 (Strongly acidic) 5.5 – 6.0 (Moderately acidic) 6.0 – 6.5 (Slightly acidic) > 6.5 (Neutral/alkaline – no lime) Soil texture Sand Loam Clay Calculate