Short answer: considerably more than a crops-only plan for the same household. Livestock need to be fed from land too -- either dedicated pasture, purchased feed grown somewhere else, or a slice of your own crop land diverted to growing animal feed instead of food for people. Small livestock like chickens add relatively little to the land equation. Grazing animals like goats, sheep or cattle add a lot, because pasture-based feeding genuinely needs real acreage even for a small herd.
Why Livestock Change the Land Question
A crop grows directly from land, sun and water. An animal grows from feed -- which itself was grown on land, sun and water, somewhere. That extra conversion step is why livestock nearly always need more land per calorie delivered than growing crops directly: some of every calorie fed to an animal is lost to its own metabolism rather than turned into meat, milk or eggs. This doesn't make livestock a bad idea, but it does mean the land-area math for a homestead with animals is a genuinely different calculation from a crops-only plan.
The scale of the difference depends enormously on which animals. Small livestock like chickens or rabbits can be kept in a modest run or hutch and fed substantially on kitchen scraps, garden waste and scavenged forage, with purchased feed making up the rest -- their land footprint is comparatively small. Grazing animals are a different proposition entirely: goats, sheep and cattle need real pasture to feed economically, and a household trying to substitute purchased feed for genuine grazing land will usually find the economics don't work, since bought feed itself represents land used somewhere else to grow it.
None of this means livestock aren't worth it -- manure that builds soil fertility, pest control from free-ranging birds, and the resilience of having more than one food source all matter for a genuinely self-sufficient system. But on land that's genuinely limited, crops should usually be prioritised first, with livestock added according to how much spare land and feed capacity is actually available. This site's livestock modelling step lets you add your own animals to a plan and see the real net calorie impact, feed costs included.
Frequently Asked Questions
How much land do I need for a self-sufficient homestead with animals?
Considerably more than a crops-only plan for the same household, because livestock need to be fed from land too -- whether that's dedicated pasture, purchased feed grown elsewhere, or a share of your own crop land diverted to animal feed. Small livestock like chickens or rabbits add comparatively little land requirement; grazing animals like goats, sheep or cattle add a great deal, since pasture-based feeding needs real acreage to support even a small number of animals.
Do chickens need as much land as grazing animals like goats or sheep?
No, nowhere near as much -- chickens can be kept productively in a modest run and fed largely on kitchen scraps, garden waste and some purchased grain, while goats, sheep and cattle need genuine grazing land to feed economically, and trying to feed grazing animals entirely on purchased feed rather than pasture usually makes them a poor use of resources.
Is it better to grow crops or raise livestock on limited land?
For calories per square metre, crops almost always win -- growing food directly is more land-efficient than growing feed to raise an animal that then provides food, since some of every calorie fed to livestock is lost to the animal's own metabolism. Livestock still add real value beyond raw calories (manure, pest control, resilience through diversity), but on genuinely limited land, crops should usually take priority.