Farm Calculators
Free tools to help you calculate fertilizer requirements, compare input costs, and estimate ROI from biological fertilizer programs.
Fertilizer Rate Calculator
Calculate exactly how much product you need for your field size and application rate. Includes container sizing, total cost, and cost per acre breakdown.
- ✓Select any AgConcepts product
- ✓Enter your acreage
- ✓Get total gallons, cost, and containers needed
- ✓Compare container sizes side-by-side
Cost Per Acre Calculator
Compare biological vs. conventional fertilizer costs per acre for your operation. See your current synthetic program cost alongside a biological addition.
- ✓Enter current fertility program cost
- ✓Add biological product and rate
- ✓See blended program total cost
- ✓Visual cost comparison chart
ROI Estimator
Estimate your expected return on investment from switching to biological inputs. Enter your crop, acres, yield, and commodity price to see projected ROI.
- ✓Six major crop types supported
- ✓Customize yield increase assumptions
- ✓Net ROI and payback period
- ✓Adjustable commodity prices
How to Use These Calculators
Enter Your Details
Input your acreage, crop type, current input costs, and application rates.
See Instant Results
Results update in real time as you enter numbers — no submitting or waiting.
Shop or Get a Quote
Use your calculated quantities to order directly or request a bulk pricing quote.
Market Data Tools
Farm economics calculators powered by live USDA and DTN market data.
Fertilizer Price Tracker
Updated WeeklyWeekly anhydrous, urea, UAN, DAP, MAP, and potash prices from DTN/Green Markets. Compare $/lb N across sources.
Farm Breakeven Calculator
Free ToolFind your minimum corn, soybean, or wheat price to cover all input costs. Model with and without biological programs.
Cover Crop N Credit Calculator
Free ToolQuantify nitrogen fixation value from hairy vetch, red clover, sunn hemp, and more at current anhydrous prices.
Growing Degree Day Calculator
InteractiveTrack heat unit accumulation for corn, soybeans, and wheat. Predict days to next growth stage from your GDD total.
Questions About Products or Rates?
Our team can help you build a biological program tailored to your soils, crops, and budget.