NVZ Compliance Check
Storage balance · N loading · 170 kg/ha compliance · All calculators updated 2026
NVZ Compliance Tools
Annual N Excretion
N Loading Calculator
Calculate total annual nitrogen excretion from your livestock using RB209 2024 data.
Production Volume
Slurry Storage Required
Calculate slurry production volumes in m³ based on livestock numbers and housing period.
Available Storage
Tank Capacity Calculator
Record tank dimensions and calculate available winter storage capacity in m³ and gallons.
Manure Import / Export
N Movements
Track the movement of organic manures to and from your holding to maintain compliance.
Runoff Calculator
Dirty Water
Calculate required storage for yard runoff and washings based on rainfall and yard area.
Quick Compliance Check
Enter your farm figures below — no account needed.
Your Farm Figures
Annual organic N excretion from livestock
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Create a free account to save your N loading, slurry, and tank calculations — they'll populate this page automatically. Upgrade to Pro to include manure import/export records in your report.