Gardening & Crop Calculators

Acres per Hour Calculator

Calculate acres covered per hour from equipment width and travel speed.

Bulb Spacing Calculator

Calculate how many bulbs you need from garden area and bulb spacing.

CO2 Grow Room Calculator

Calculate CO2 needed to reach target ppm in a grow room from room volume.

Compost Calculator

Estimate compost volume from brown and green material inputs and the C:N ratio.

Corn Yield Calculator

Estimate corn yield in bushels per acre from plant population and ear data.

Daily Light Integral Calculator

Calculate DLI (mol/m²/day) from light intensity and photoperiod for plants.

Fertilizer Calculator

Calculate fertilizer amount needed from desired N-P-K and fertilizer analysis.

Growing Degree Units Calculator

Calculate growing degree units (GDU) from daily max, min, and base temperatures.

Grain Conversion Calculator

Convert grain quantities between bushels, pounds, and tons for common crops.

Grass Seed Calculator

Calculate grass seed needed in pounds or kg from area and seeding rate.

Mowing Cost Calculator

Estimate mowing cost from area, mowing speed, and hourly rate.

Mulch Calculator

Calculate mulch needed in cubic yards and bags from area and desired depth.

Pine Straw Calculator

Calculate pine straw needed in bales from area and desired depth.

Plant Population Calculator

Calculate plant population per acre or hectare from row and plant spacing.

Plant Spacing Calculator

Calculate how many plants fit in an area from garden size and plant spacing.

Potting Soil Calculator

Calculate potting soil needed in cubic feet and liters from container size and count.

Raised Bed Soil Calculator

Calculate soil needed for a raised bed in cubic feet and cubic yards.

Sod Calculator

Calculate how many sod pieces or rolls you need from lawn area and piece size.

Soil Calculator

Calculate soil needed in cubic yards and cubic meters from area and depth.

Vapor Pressure Deficit Calculator

Calculate VPD in kPa from temperature and relative humidity for plant growth.

Vegetable Seed Calculator

Calculate vegetable seeds needed from area, row spacing, and seeding rate.

Vegetable Yield Calculator

Estimate expected vegetable yield in pounds or kg from plant count and yield per plant.

Water Potential Calculator

Calculate total water potential (Ψ) from solute and pressure potential in MPa.

Water-Soluble Fertilizer Calculator

Calculate fertilizer amount to reach a target ppm in a given tank volume.

Irrigation Calculator

Calculate irrigation water needed in gallons and liters from area and depth.