Agricultural calculators and verified reference tables

Farm conversions with the data behind the answer.

AgriConverter combines practical U.S. agriculture calculators with cited reference tables for yield, bushel weights, fertilizer, seeding, area and irrigation units.

USDA NASS yield dataUSDA/FSA bushel weightsNIST unit constantsExtension rate context

Quick farm area converter

Uses exact NIST-based area constants.

10+core tools and tables in the first release
2025final USDA crop-yield reference values
NISTexact unit definitions where applicable

Most used farm calculators

Fertilizer tool

Fertilizer application rate calculator

Convert lb/acre and kg/ha and estimate total product needed.

Yield tool

Corn yield per acre

2025 final U.S. corn yield, bushel weight and production calculator.

Yield tool

Soybean yield per acre

2025 final soybean yield with bushels, pounds, kg and tons.

Seeding tool

Seeding rate calculator

Estimate seed pounds from seeds per acre and TKW.

Area tool

Acres to hectares converter

NIST-based acres and hectares conversion.

Irrigation tool

Acre-foot to gallons converter

Convert irrigation water volumes from acre-feet to U.S. gallons.

Verified agricultural tables

The table pages are built to be saved, cited and revisited. They are not generic AI filler: every external number comes from the project data files and visible source links.

Verified table

Bushel weight by crop

Legal and standard bushel weights for corn, wheat, soybeans, oats, barley and more.

Verified table

U.S. crop yield per acre table

Final 2025 USDA NASS average yields for major crops.

Verified table

NPK fertilizer application rate table

N-P-K formulas, typical uses and verified rate context.

Verified table

Specific fertilizer rates table

Urea, DAP, Milorganite, lime, gypsum, manure and other product rates.

Verified table

Seeding rate by crop table

Default seeding rates and TKW ranges for the seeding calculator.

Reference table

Acre to square feet table

Common acre and square-foot values for land measurement.

How to use AgriConverter

For quick answers

Use the calculators when you need a single conversion: acres to hectares, square feet to acres, lb/acre to kg/ha, or acre-feet to gallons.

For reference work

Use the verified tables when the answer depends on crop, product or context, such as bushel weights, crop yield, NPK formulas and seeding rates.

Sources