Egg Grading Calculator

Not every egg your flock lays is worth the same amount, and this calculator shows exactly how much your size distribution is costing or earning you. It splits total eggs into USDA weight classes by the percentages you enter, with anything left over after Jumbo, Extra Large, Large, and Medium automatically assigned to Small/Pee Wee. Those weight-class boundaries aren't arbitrary — USDA's own shell-egg grading standards (7 CFR Part 56, the same regulation that defines Grade AA/A/B) set minimum weights per dozen for each class: 30 oz for Jumbo, 27 oz for Extra Large, 24 oz for Large, and 21 oz for Medium, which is where this calculator's per-egg gram midpoints (70g, 63g, 56g, and 49g) come from. Each grade is priced relative to your entered Large egg price using typical market differentials — Jumbo commands a premium (modeled here at 20% above Large), Extra Large a smaller premium (10%), Medium a discount (15% below), and Small/Pee Wee the steepest discount (30% below) — reflecting how larger eggs generally command better prices at retail and smaller eggs are often sold at a discount or used for processing.

Multiplying each grade's dozens by its own price and summing gives total revenue, and dividing that by total dozens gives a single blended average price per dozen that captures the real economics of your flock's actual size mix, not just the headline Large-egg price. The total weight figure uses those same standard USDA per-egg weight midpoints for each grade to estimate total egg mass in pounds, useful for shipping or bulk sales calculations. The pricing differentials, unlike the weight classes themselves, are typical market assumptions built into this calculator, not fixed USDA-mandated prices — actual buyer contracts and local markets can price grades differently, so treat the revenue figures as a planning estimate to compare scenarios rather than a guaranteed number.