Livestock Feed Calculator
Estimate daily and total feed for a herd from animals, feed per head, and feeding days, with cost.
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About the Livestock Feed Calculator
Feed is typically 60 to 70 percent of the cost of raising most livestock, so planning it precisely protects both your margins and your inventory. This Livestock Feed Calculator lets you size up a feeding period fast: enter the number of animals, the feed each head eats per day in pounds, the number of days in the period, and the price per pound, and it returns feed per day, total feed for the period, and total cost.
The tool is built for the recurring planning questions every operation faces. How much hay do I need to carry the herd through a 120-day winter? How many pounds of ration will 200 feeder steers go through this month, and what will it cost? By breaking the answer into a daily figure and a period total, it helps you both schedule deliveries and budget the whole feeding window before you commit to a purchase.
How the Livestock Feed Calculator works
Feed per day equals the number of animals multiplied by feed per head per day. Total feed equals feed per day multiplied by the number of days. Total cost equals total feed multiplied by price per pound. The daily figure is what you use to check bin capacity and delivery frequency, while the period total drives your purchase order and cash-flow plan.
The per-head intake you enter should reflect the animal's real dry-matter needs for its class and weight. As a rule of thumb, cattle eat roughly 2 to 2.5 percent of body weight in dry matter per day, so a 1,200 lb cow eats about 24 to 30 lbs. If you are feeding wet feeds such as silage, decide whether your intake and price are on an as-fed or dry-matter basis and keep both consistent, because mixing the two throws off the total.
Worked example
Say you are wintering 50 cows, each eating 25 lbs of hay per day, over a 30-day month, with hay priced at $0.18 per pound. Feed per day is 50 times 25, or 1,250 lbs. Total feed is 1,250 times 30, or 37,500 lbs, which is about 18.75 tons. Total cost is 37,500 times $0.18, or $6,750 for the month.
Scale that to a full winter and the planning value is obvious. At the same daily intake over 120 days you would need 150,000 lbs, or 75 tons of hay, at a cost of $27,000. Knowing that early lets you contract hay before prices rise and confirm you have the barn and stack space to store 75 tons before the snow flies.
Tips & common mistakes
- Base per-head intake on body weight; roughly 2 to 2.5 percent of body weight in dry matter is a solid starting point for beef cattle.
- Add 5 to 10 percent to total feed for waste from trampling, spoilage, and refusals, especially when feeding round bales without a feeder ring.
- Keep intake and price on the same basis, either as-fed or dry-matter, so wet feeds like silage do not distort your total.
- Convert the total to tons by dividing pounds by 2,000 when buying hay or bulk feed, since that is how it is usually priced and hauled.
- Rerun the tool as animals gain weight through the feeding period; intake climbs with body weight, so an early-period estimate understates late-period feed.
Livestock Feed Calculator: frequently asked questions
Should the feed-per-head figure be on an as-fed or dry-matter basis?
Either works, but you must keep intake and price on the same basis. Dry-matter intake is the cleaner way to size nutrition, but hay and silage are bought as-fed with moisture included. If you use dry-matter intake, price your feed on a dry-matter basis too, or convert the intake up to as-fed using the feed's moisture content before entering it.
Does the calculator include feed waste?
No, it computes exactly animals times intake times days. Real feeding always loses some to trampling, spoilage, and refusals, often 5 to 15 percent depending on your feeding method. Add a waste allowance to the per-head intake or to the total feed so your purchase covers what the animals actually consume plus what is lost.
How do I turn the total pounds into tons or bales?
Divide total feed pounds by 2,000 to get tons. For bales, divide total pounds by the average weight of your bales; a large round bale often weighs 1,200 to 1,500 lbs, so 37,500 lbs is roughly 25 to 31 bales. Weigh a few of your own bales rather than assuming, since bale weight varies widely with moisture and density.
Can I plan a whole winter feeding period at once?
Yes. Set days to the full length of the period, such as 120 or 150 days, and the tool returns total feed and cost for the entire window. That is ideal for deciding how much hay to contract and confirming you have enough storage. Just remember intake rises as animals grow, so recheck it partway through a long feeding period.
What per-head intake should I use for growing feeder cattle versus mature cows?
Use the class and weight of your animals. A 600 lb feeder steer at 2.5 percent of body weight eats about 15 lbs of dry matter, while a 1,200 lb cow eats about 24 to 30 lbs. Because intake tracks body weight, update the per-head figure as feeders gain, or your later-period feed and cost will be understated.