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50+ free calculators for livestock, NVZ compliance, slurry management, workshop tools and more — no account needed.

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Every Tool, Completely Free

No trial, no locked features, no credit card. Every calculator is free to use right now.

Livestock

8 tools

Rotational Grazing
TMR Mix Calculator
Calving Planner
Stocking Rate

NVZ Compliance

6 tools

Compliance Check
N Loading
Slurry Storage
N Movements

Field Tools

7 tools

Fertilizer Calculator
Seed Rate
Manure Nutrients
Slurry Nutrient

Workshop

12 tools

BSP Spanner Sizes
Torque Settings
Tapping Drill Chart
Hydraulic Hose Guide

Infrastructure

2 tools

Concrete Cost Calculator
Fence Cost Calculator

Feed & Rations

3 tools

Meal Mix Calculator
TMR Mix Calculator
Silage Meal Reduction

Knowledge base

Guides & Articles

Practical farming guides written for UK conditions — from silage planning to workshop know-how.

How to Complete a Farm Fire Risk Assessment

Five-step fire risk assessment process for UK farms — grain stores, hay barns, fuel stores and workshops, escape routes and record-keeping.

What Is a RAMS on a Farm?

When farms need a Risk Assessment & Method Statement, and how to write one for machinery, working at height, slurry and contractor work.

What Is COSHH on a Farm?

Which farm chemicals trigger COSHH, how to complete a COSHH assessment, and what Red Tractor and HSE assessors expect to see.

How to Write a Farm Environmental Risk Assessment

Identify hazards to water, soil and biodiversity, score risk and set control measures — covering EA, Red Tractor and SFI requirements.

How to Write a Farm Health and Safety Policy

UK legal requirements, who needs a written policy, and a practical framework covering machinery, livestock, chemicals and lone working.

How to Write an Environmental Policy for a Farm

What to include in a farm environmental policy for Red Tractor, SFI and assurance schemes — covering water, soil, waste, biodiversity and energy.

How to Write a HACCP Plan for a Farm Shop

Step-by-step guide to the seven HACCP principles for UK farm shops — hazard identification, critical control points, monitoring and record-keeping.

How to Read a Soil Analysis Report

P, K, Mg and pH index numbers explained against RB209 targets. Understand every figure on your soil report and what it means for your fertiliser plan.

Tractor Tyre Sizes: Inch to Metric Guide

Convert old imperial tractor tyre sizes to metric equivalents. 21-size reference table with OD difference, rim compatibility and brand guide for MF, Ford, JD, NH and Case IH.

How Much Silage Do I Need for Winter?

Step-by-step guide to calculating your winter silage requirement based on stock numbers, feeding period and silage quality.

Silage Analysis: How to Read Your Results

Understand ME, DMD, CP and pH values on your silage report and what they mean for winter ration planning.

How Much Slurry Storage Do I Need?

Calculate the minimum slurry storage volume required for your farm under the UK Nitrates Regulations.

Grass Wedge Planner: A Practical Guide

Learn how to build and use a grass wedge to manage rotational grazing and balance grass supply with demand.

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Spotlight

Popular Right Now

Rotational Grazing Calculator

Calculate days grazing available, daily strip area and number of paddocks needed for your rotation. Uses the standard AHDB sward height formula.

TMR Mix Calculator

Build a Total Mixed Ration with reference feeds, saved meal mixes or custom ingredients. Live nutrient analysis, cost per tonne and PDF reports.

NVZ Compliance Check

Your compliance hub — slurry storage balance and whole-farm N loading against the 170 kg limit in one place.

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