EZ Custom Ag Farm Tools

Free Farm Calculators & Agricultural Tools

Use EZ Custom Ag’s free farm calculators to turn field information into useful numbers for planting, fertility, spraying, harvest and crop profitability. These practical agricultural tools are built for farmers, agronomists and crop consultants who want fast answers without complicated spreadsheets.

EZ Custom Ag Tools

Free Farm Calculators

Fast, field-friendly calculators for crop planning, fertility, application, harvest and ROI.

Crop Removal Calculator Estimate primary, secondary and micronutrients removed with harvest, plus P₂O₅/K₂O/S replacement value. Corn Yield Calculator Estimate bushels per acre from ears, kernel rows and kernels per row. Plant Population Calculator Plan seeding rate, check actual stand, measure population loss and estimate seed needed. Fertilizer Cost Calculator Calculate cost per acre, nutrients per acre and cost per pound of nutrient. Break-Even Yield Calculator Find how many bushels are needed to pay for an added treatment. Spray Tank Calculator Calculate acres per tank, product per tank and loads per field. Crop Residue Value Calculator Estimate nutrients contained in corn, soybean or wheat residue and their fertilizer value. Grain Moisture & Shrink Calculator Estimate dry-equivalent bushels, water shrink and drying charges. Fertilizer Blend Calculator Combine up to three fertilizer products and total nutrients, tons and cost. Seed Cost Calculator Estimate units needed, seed cost per acre and total seed investment. Crop Input ROI Calculator Calculate gross return, net return, ROI and break-even response.

Farm Calculators for Better Crop Decisions

Good decisions often start with simple math. Use these calculators to estimate crop nutrient removal, plant population, yield, fertilizer cost, spray-tank requirements, grain shrink and return on investment. Each tool is designed to work well on a phone so you can use it in the field, shop or tractor cab.

Use the Numbers to Plan Your Next Step

A calculator result should be the start of a decision, not the end. Compare scenarios, estimate cost per acre and use the results alongside soil tests, crop history, product labels and local agronomic knowledge. When you need help turning the numbers into a practical crop program, EZ Custom Ag can help.

Free Tools Built for Farmers

EZ Custom Ag is farmer owned. Our goal is to make crop planning simpler and more transparent by giving growers useful tools before asking them to buy anything. Bookmark this page and check back as new calculators and decision tools are added.

Frequently Asked Questions

Are the EZ Custom Ag farm calculators free?

Yes. The calculators on this site are free to use.

Can I use these calculators on my phone?

Yes. The tools are designed to be mobile friendly for use in the field or shop.

Do calculator results replace an agronomic recommendation?

No. Calculator results are estimates and should be used with soil tests, crop history, product labels and field-specific agronomic advice.

Need Help Turning the Numbers Into a Crop Plan?

Send EZ Custom Ag your results and field details. We can help you evaluate practical product and fertility options for your acres.

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