All Free AgriOps Tools
25+ professional UK farming calculators — 100% free, no sign-up required
Slurry Storage Calculator
5 or 6 month NVZ rule – instant m³ & gallons + PDF
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Slurry & Manure N+P Calculator
RB209-accurate nutrient production from all livestock
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Slurry Tank Capacity Calculator
Available capacity with freeboard & rainfall
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Livestock Stocking Rate Calculator
Instant LU/ha for grazing & NVZ compliance
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Livestock DM Intake Calculator
Daily dry matter requirements for all livestock
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Silage Required Calculator
Tonnes needed over winter – dairy & beef
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Calving Date Planner
Breeding windows & dry-off dates for all breeds
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Tractor Operating Costs Calculator
True hourly cost including depreciation & repairs
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Machinery Finance Calculator
Monthly payments & real £/hour for any machine
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Diesel Usage Calculator
Litres per acre/hour/ton – sprayers & combines
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Field Workrate Calculator
Actual vs predicted ha/hr – spot efficiency losses
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Field Measure Tool
Draw any field – instant ha & acres on satellite
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Field Size & Rate Converter
ha ↔ acres, kg/ha ↔ units/acre, gallons, etc.
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Grease Nipple Thread Identifier
Never buy the wrong nipple again – instant brand lookup
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Metric → Spanner/Hex Converter
M5–M48 instant spanner & Allen key sizes
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Imperial → Metric Spanner Converter
Exact metric socket for any imperial wrench
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BSP Spanner Size Chart
¼″ to 2″ hydraulic fitting spanner sizes
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BSP Thread Size Guide
Full thread, OD & spanner reference chart
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NVZ Compliance Report Generator
Full farm N loading report – 170 & 250 kg/ha
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