Free sheep farming tools

Sheep farming tools for quick field decisions.

Use practical calculators for lambing dates, sheep weight estimates, growth, feed cost, lamb profit, stocking rate and startup planning.

Browse calculators Try HerdDeck Shepherd

Use them before you open a spreadsheet

Quick estimates

Get a useful number from a few field inputs: dates, weights, feed amounts, prices or pasture area.

Farm-level planning

Compare growth, feed cost, sale price and carrying capacity before changing the flock.

Next step: records

Use these tools for one-off checks. HerdDeck Shepherd keeps the full flock history when you need more than a calculator.

Calculators

Choose the tool that matches today’s question.

Each tool focuses on one practical decision instead of trying to replace your farm records.

Breeding

Lambing and breeding dates

Turn a service date into expected lambing windows and preparation dates.

Breeding date to lambing window

Lambing Date Calculator

Calculate expected lambing dates from one mating or breeding date.

Open calculator Preparation schedule

Lambing Calendar Generator

Build a simple lambing preparation calendar from one breeding date.

Open calculator

Growth

Weight and performance

Estimate live weight, growth rate and likely target-weight timing.

No scale available

Sheep Weight Calculator

Estimate sheep live weight from body measurements.

Open calculator Two weights into a trend

Average Daily Gain Calculator

Calculate daily gain between two weighing dates.

Open calculator Sale timing estimate

Target Weight Calculator

Estimate when a lamb may reach target weight.

Open calculator

Feed and money

Feed cost, conversion and lamb profit

Check whether feed, gain and sale price still make sense together.

Daily feed cost

Feed Cost Calculator

Estimate feed cost per animal and per day.

Open calculator Feed used per kg gained

Feed Conversion Ratio Calculator

Compare feed consumed against weight gain.

Open calculator Break-even and sale result

Lamb Profit Calculator

Estimate lamb profit, break-even price and sale result.

Open calculator

Planning

Flock and land planning

Use simple planning calculators before buying animals, renting land or expanding.

Before building the flock

Sheep Farm Startup Cost Calculator

Estimate startup costs for a sheep farm.

Open calculator Pasture carrying capacity

Stocking Rate Calculator

Estimate sheep carrying capacity from pasture area.

Open calculator Group comparison

Livestock Unit Calculator

Convert sheep groups into livestock unit estimates.

Open calculator

Need the full flock picture?

Calculators are useful for quick checks. HerdDeck Shepherd keeps animal records, events, finance and reports together.

Try HerdDeck Shepherd