The square vs round bale debate comes down to three things: cost per pound of actual hay, your storage and handling setup, and your herd size. Neither format is universally better — the right choice depends on your specific situation. This guide breaks down every variable so you can make the comparison for your farm.

Cost Per Pound: The Only Fair Comparison

Never compare hay by sticker price per bale. A $7 small square bale at 40 lbs costs $17.50 per 100 lbs of hay. A $95 round bale at 1,000 lbs costs $9.50 per 100 lbs. The round bale is nearly half the price per pound of actual hay — before factoring in waste.

Bale TypeTypical WeightTypical Price (2025)Cost per 100 lbs
Small square (2-string)40–60 lbs$6–$14$12–$28
Large square (3-string)80–120 lbs$14–$28$14–$25
Round bale (4×4)400–600 lbs$40–$80$8–$16
Round bale (5×5)800–1,100 lbs$70–$130$7–$15
Round bale (5×6)1,000–1,500 lbs$90–$160$7–$13

Round bales win on raw cost per pound in almost every scenario. The question is whether the additional waste from round bale feeding and the handling equipment required erases that advantage.

Waste: Where the Comparison Gets Complicated

Round bales fed without a proper ring feeder can lose 35–50% to waste — which can more than eliminate the cost-per-pound advantage. Small square bales fed in a manger or rack typically waste 5–10%. The break-even point:

When Square Bales Make More Sense

When Round Bales Make More Sense

Frequently Asked Questions

Can I mix square and round bales on the same farm?
Absolutely — many small farms use both. A common approach: round bales for cattle with ring feeders (lower labor, lower cost per pound), and small square bales for horses or small ruminants where portion control matters. Buying in two formats lets you optimize for each group's needs rather than compromising for one format across the farm.
Do round bales and square bales contain different hay?
Not necessarily — the same field can produce both formats, just processed through different balers. That said, some farms produce primarily one format. The hay type, cutting, and quality are determined by the field, not the baler. What does differ is that round bales are often baled at slightly higher moisture than square bales because the round bale's core retains heat longer during curing — some operators prefer to let hay dry a bit more before round baling for this reason.
Disclaimer: Pricing data reflects estimated 2025 ranges and varies significantly by region, season, and hay type.