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Horse Feed Cost Calculator

Enter your horse count, daily hay and grain rations, bale weight and price, bag price, and hay waste allowance below to calculate daily, 30-day monthly, and annual feed costs.

Free to useNo sign-upRuns in your browser
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Enter the inputs, then select Calculate feed cost.

Whole number of horses on the same feeding program.

Target net hay intake per horse per day (commonly 1.5% to 2.5% of body weight).

Weight of one small square bale or large round/square bale in pounds.

Purchase cost per bale in dollars.

Daily grain, ration balancer, or pelleted concentrate per horse in pounds.

Standard weight of one commercial grain or pellet bag.

Purchase cost per bag of grain or concentrate.

Extra hay percentage lost to trampling, spoilage, or storage (0% to 50%).

Your result
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Result will appear here

How Horse Feed Cost Calculator works

The Horse Feed Cost Calculator converts daily pounds of forage and concentrate into bale and bag consumption rates, adjusts hay purchases for feeding waste, and totals your cost across 1, 30, and 365 days.

Monthly Cost (30 days) = 30 × [ (Horses × Hay_lb × (1 + Waste%/100) ÷ Bale_lb × Bale_$) + (Horses × Grain_lb ÷ Bag_lb × Bag_$) ].

Along with dollar totals, the calculator reports monthly hay bales and grain bags needed so you can plan storage space and bulk orders.

Horse Feed Cost Calculator workflow overview
Workflow overview for Horse Feed Cost Calculator.

Horse Feed Cost Calculator Quick Reference & Input Guide

Review the input parameters, allowed value ranges, and worked reference cases for the Horse Feed Cost Calculator below before running your calculation.

Parameter / ScenarioDefault / Sample ValueRule or Allowed RangeOutput / Usage Note
Input: Number of horses2Range: 1 to 500Required workspace parameter
Input: Hay fed per horse per day20Range: 0 to 100Required workspace parameter
Input: Average hay bale weight50Range: 1 to 2500Required workspace parameter
Input: Price per hay bale12Range: 0 to 1000Required workspace parameter
Worked Case 1: Baseline run (2 horses on 50 lb square bales and 4 lb grain)Preloaded / test valuesDaily Hay Purchased = Horses × Hay(lb/day) × (1 + Waste%/100); Daily Cost = (Daily Hay / Bale Weight × Bale Price) + (Horses × Grain(lb/day) / Bag Weight × Bag Price)Feeding 2 horses 20 lb of hay/day ($12 per 50 lb bale, 10% waste) and 4 lb of grain/day ($24 per 50 lb bag) requires 26.4 bales and 4.8 bags per 30-day month, costing $14.40/day, $432.00/month, and $5,256.00/year.
Worked Case 2: Winter round-bale program (4 horses on 900 lb bales)Preloaded / test valuesDaily Hay Purchased = Horses × Hay(lb/day) × (1 + Waste%/100); Daily Cost = (Daily Hay / Bale Weight × Bale Price) + (Horses × Grain(lb/day) / Bag Weight × Bag Price)Four horses eating 22 lb of hay/day from 900 lb round bales ($85/bale, 15% waste) plus 2 lb of ration balancer/day ($32 per 50 lb bag) use 3.37 round bales and 4.8 bags per month, totaling $440.48/month.

How to use Horse Feed Cost Calculator step by step

Weigh a typical hay flake and grain scoop at your barn, then enter your local bale and bag prices.

Enter horse count and daily hay ration

Set the number of horses and the daily pounds of hay fed per horse, along with your average bale weight and price per bale.

Horse Feed Cost Calculator step 1: Enter horse count and daily hay ration
Step 1 workflow overview for Horse Feed Cost Calculator.

Add grain intake and bag pricing

Enter daily pounds of grain or pelleted concentrate per horse, the standard bag weight (usually 50 lb), and the price per bag.

Horse Feed Cost Calculator step 2: Add grain intake and bag pricing
Step 2 workflow overview for Horse Feed Cost Calculator.

Include hay waste and review monthly totals

Set a realistic hay waste percentage (such as 10% for slow-feed nets or 15% for ground feeding), then click Calculate feed cost.

Horse Feed Cost Calculator step 3: Include hay waste and review monthly totals
Step 3 workflow overview for Horse Feed Cost Calculator.

Worked examples for Horse Feed Cost Calculator

Compare a two-horse small-bale program against a four-horse round-bale setup.

Baseline run (2 horses on 50 lb square bales and 4 lb grain)

Feeding 2 horses 20 lb of hay/day ($12 per 50 lb bale, 10% waste) and 4 lb of grain/day ($24 per 50 lb bag) requires 26.4 bales and 4.8 bags per 30-day month, costing $14.40/day, $432.00/month, and $5,256.00/year.

Horse Feed Cost Calculator example 1: Baseline run (2 horses on 50 lb square bales and 4 lb grain)
Worked example 1 for Horse Feed Cost Calculator.

Winter round-bale program (4 horses on 900 lb bales)

Four horses eating 22 lb of hay/day from 900 lb round bales ($85/bale, 15% waste) plus 2 lb of ration balancer/day ($32 per 50 lb bag) use 3.37 round bales and 4.8 bags per month, totaling $440.48/month.

Horse Feed Cost Calculator example 2: Winter round-bale program (4 horses on 900 lb bales)
Worked example 2 for Horse Feed Cost Calculator.

Check bale weight variation before ordering winter hay

Small square bales marketed as 50 lb often weigh between 42 lb and 55 lb depending on cutting and moisture. Weighing three sample bales with a luggage scale prevents winter hay shortfalls.

Horse Feed Cost Calculator example 3: Check bale weight variation before ordering winter hay
Worked example 3 for Horse Feed Cost Calculator.

How to interpret the Horse Feed Cost Calculator output

Use the 30-day bale and bag counts alongside the dollar figures to plan feed room storage and seasonal hay contracts.

The primary result shows your 30-day monthly feed outlay, while the breakdown cards separate daily hay cost from daily grain cost and list exact monthly bales and bags required. If hay accounts for more than 70% of your budget, reducing ground waste with a hay feeder or slow-feed net often saves more than switching grain brands.

How to interpret Horse Feed Cost Calculator results
Result interpretation guide for Horse Feed Cost Calculator.

Input limits, assumptions, and related tools

Review the ration assumptions before applying these estimates to boarding rates or annual barn budgets.

This calculator models a uniform daily ration across all entered horses for 30-day months and 365-day years. If your herd includes easy keepers on ration balancers alongside hard keepers on senior feed, run each feeding group separately and sum the exported text files.

Scope limits and assumptions for Horse Feed Cost Calculator
Assumptions and input boundaries for Horse Feed Cost Calculator.

Horse Feed Cost Calculator: common questions

Answers about using Horse Feed Cost Calculator and understanding its results.

How much hay does an average 1,000 lb horse eat per day?

Most adult horses require 1.5% to 2.5% of their body weight in forage dry matter daily, which equals 15 to 25 lb of hay per day for a 1,000 lb horse when pasture grazing is unavailable.

Why does the calculator include a hay waste percentage?

Horses scatter, trample, or refuse stems when fed on the ground or in open racks. Accounting for 5% to 15% hay waste ensures your monthly bale order and budget match actual barn consumption.

Can I use this calculator for large round bales or hay priced by the ton?

Yes. For round bales, enter the bale weight (for example, 900 lb) and price per bale. If you buy hay by the short ton, enter 2,000 lb as the bale weight and the per-ton price as the bale price.

Can I save or copy my barn feed budget?

Yes. All calculations run locally in your browser with no account required. Click Copy result or Download result.txt to save the monthly and annual bale, bag, and cost breakdown.

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