🔢 9 Calculators · 7 Topics · Updated April 2026

Agriculture Calculators

Free online agriculture calculators with instant results, real formulas, and detailed explanations.

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1 calculator

Plants per row + total seeds.

1 calculator

Pounds of N/P/K from a fertilizer bag.

2 calculators

Pounds of lime/sulfur to adjust pH.

Total grow-light wattage for a space.

1 calculator

Gallons per week for a garden.

2 calculators

Tons of hay for a herd.

Minimum square footage per bird.

1 calculator

Honey per hive per year.

1 calculator

Profit per acre.