Start / Management and costs / Production cost
See how many seeds the crop needs for the target population, what they cost per hectare, and how much they weigh per bag produced.
Pre-sizing and estimating tool: the results do not replace a design, calculation, or report signed by a qualified professional, nor verification against the applicable standards.
Cost per hectare for populations of 200 to 400 thousand plants; the highlighted bar is yours.
How much the seed weighs in the bag at each yield; the dot is yours.
Drag the controls to simulate data different from what you entered (from 30% less to 30% more) and watch the result change instantly.
Seeds, cost per hectare and cost per bag produced for populations of 200 to 400 thousand plants per hectare.
The calculation done in steps, with the values you entered.
The calculation memo gathers this page's inputs, results, equations, assumptions, and references, with fields for project, responsible person, and review. The full report also includes the charts and interpretations, in color. In the print window, choose Save as PDF.
Enter the desired population, the germination and expected establishment, the thousand-seed mass, the weight and price of the bag, and the expected yield. The calculator shows the seed quantity, the mass, the cost per hectare, and the cost per bag.
300 thousand plants/ha, 85% germination, 90% establishment, thousand-seed weight of 160 g, 40 kg bag at R$ 280 and yield of 60 bags/ha.
Seeds = 300 ÷ (0.85 × 0.90) = 392 thousand/ha. Mass = 392 × 160 ÷ 1,000 = 62.7 kg. Bags = 62.7 ÷ 40 = 1.57. Cost = 1.57 × 280 = R$ 439/ha. Per bag = 439 ÷ 60 = R$ 7.32/sc.
From the technical recommendation for the cultivar, the season and the region. For soybeans, a typical population is around 250 to 350 thousand plants per hectare, but it varies.
Because not every seed becomes a plant. If germination is 85% and establishment is 90%, you must sow more than the target population.
Because seed weighs on the cost of the bag produced. At low yields, this weight is larger, and it is worth comparing lots and prices by cost per bag.
No. Seed treatment, inoculant, and freight should be added to the cost, if they are part of the crop plan.
Important notice: the Agrocalcs tools make estimates and preliminary sizing based on the data entered and on published engineering methods. They do not replace a design, a calculation report or a report signed by a qualified professional (CREA/ART), nor verification against the applicable technical standards and legislation, such as the Regulatory Standards of the Ministry of Labor. Material and fuel properties vary: check with the manufacturer or with analyses of your process before deciding. By using the site, you agree to the Terms of Use.
© 2026 Agrocalcs. Found an error? Write to contato@agrocalcs.com.br.