Farm Calculators

Ireland-specific calculators for grassland, nutrient management, fencing, finance, breeding, tillage and machinery.

Grassland & Fodder

Fodder Budget Calculator

Check winter feed demand against silage, hay and meal supply to spot a deficit before it bites.

Grazing Days Remaining Calculator

Quick check on how many days of grazing you have ahead, from cover and demand.

Bales Needed for Area Calculator

Quick forward estimate of bale numbers before you bale a field, from area and expected yield.

Nutrient Management

Stocking Rate Calculator

Work out livestock units per hectare and check against standard or derogation nitrogen limits.

kg/ha ↔ Units/Acre Converter

Convert fertiliser rates between kg/ha and units/acre instantly, both directions.

Slurry / Manure Unit Converter

Convert slurry gallons/acre to tonnes/ha, and solid manure tonnes/acre to tonnes/ha.

Slurry Tank Capacity Calculator

Work out your slurry tank or lagoon capacity in gallons and tonnes from its dimensions.

Fencing & Infrastructure

Tank / Trough Volume Calculator

Work out the volume in litres of a tank or trough from its dimensions — cylindrical or rectangular.

Concrete for Post-Setting Calculator

Work out how many bags of post-mix concrete you need before you start digging.

Gate & Gateway Calculator

Work out gates, hinges, latches and posts needed across a set of gateways.

Paddock Perimeter Estimator

Estimate fence length to enclose or subdivide a field, starting from just its area.

Timber Preservative / Paint Coverage Calculator

Work out how many litres of preservative or paint you need for a given area and number of coats.

Roof Sheeting Calculator

Work out how many roof sheets you need for a shed or lean-to, from roof area.

Bale Wrap / Net Wrap Calculator

Work out how many rolls of bale wrap or net wrap you need for a given number of bales.

Cubicle / Housing Capacity Calculator

Estimate how many animals a shed can house, based on floor area and space allowance per head.

Silage Pit Cover Sheet Calculator

Work out the cover sheet size you need for a silage pit, including overlap allowance.

Concrete Area Calculator

Work out how much concrete you need for a yard, shed base or apron, in m³ or bags.

Financial

Loan / Finance Repayment Calculator

Standard repayment calculator for machinery, land or building finance.

Concentrate Cost per kg of Liveweight Gain

Work out what meal actually cost you per kg of liveweight gained, after the fact.

Price per Tonne ↔ Price per Bale Converter

Convert a fodder price between €/tonne and €/bale using an average bale weight.

Milk Price per Litre Calculator

Work out your actual expected price per litre from co-op base price adjusted for fat and protein.

Meal Usage & Cost Calculator

Work out total meal usage and cost from a feeding rate, head count and feeding period.

Breeding & Stock

Bulling / AI Date Calculator

Work out expected due date from service date, and next heat window if not held.

Livestock Weight Converter

Convert livestock weights between kg, lb and cwt.

Lambing / Calving Percentage Calculator

Calculate lambing or calving percentage from animals born vs females put to the ram/bull.

Scanning / Empty Rate Calculator

Calculate the percentage of ewes or cows scanned empty.

Mortality / Loss Rate Calculator

Calculate lamb, calf, or flock/herd mortality rate as a percentage.

Tillage

Seed Rate Calculator

Calculate seed rate in kg/ha from target plant population, TGW and germination percentage.

Crop Plant Population Calculator

Count plants in a measured row or hoop to check your actual establishment against target.

Combine Harvest Loss Calculator

Count kernels on the ground after the combine to estimate yield loss before it adds up across the field.

Machinery & Fuel

Fuel Cost per Hectare (Simple)

Quick fuel cost per hectare from your own known burn rate and today's diesel price.

General Conversions

Acres ↔ Hectares Converter

Convert land area between acres and hectares, both directions.

Litres ↔ Gallons Converter

Convert between litres and gallons — milk yield, diesel, tank sizes.

Rainfall mm ↔ Inches Converter

Convert rainfall figures between millimetres and inches.

Temperature Converter

Convert temperature between Celsius and Fahrenheit — grain store and calf shed targets.