The cheapest price of glass per square meter in the United States is approximately $20 to $30, depending on thickness, quality, and regional supply chain factors. Standard float glass, a commonly used type, typically falls within this range for 3-5mm thickness.

The affordability of glass stems from its mass-produced manufacturing process and competitive domestic production. Float glass, the most cost-effective variety, is manufactured by melting silica sand, soda ash, and limestone, then floating the molten mixture on a metal surface. This method minimizes waste and energy consumption compared to other techniques like blown or tempered glass. According to the Glass Association of North America, domestic float glass production costs average $25 per ton, translating to roughly $20–$30 per square meter when accounting for standard thicknesses. Regional factors, such as proximity to raw material sources (e.g., silica sand mines in Texas and Utah) and transportation networks, further reduce expenses. For instance, manufacturers in the Midwest often benefit from lower energy rates and centralized distribution, lowering per-square-meter costs. Additionally, bulk purchasing agreements and competitive pricing from Chinese imports (accounting for 30% of U.S. glass demand) have compressed prices in recent years. However, tariffs on Chinese glass (imposed under Section 232 in 2023) have slightly increased costs for some buyers, reinforcing the dominance of domestic float glass in the low-cost segment. Data from the U.S. Bureau of Labor Statistics also highlights that labor costs for glass processing remain stable, contributing to consistent pricing. In summary, the combination of efficient manufacturing, regional supply advantages, and competitive market dynamics ensures that standard float glass remains the cheapest option at $20–$30 per square meter.