How do I calculate grain drydown shrink?

Use MyFarmCalc's Grain Drydown Calculator. Enter your harvest moisture percentage, target market moisture, and harvested weight. The calculator uses the standard shrink formula: Dry Weight = Wet Weight x (1 - Harvest MC%) / (1 - Target MC%) to calculate your sellable weight and estimated revenue.

How many bushels does my grain bin hold?

Use MyFarmCalc's Grain Storage Calculator. Enter your bin diameter and eave height for round bins, or include hopper height for hopper-bottom bins. The calculator estimates bushel capacity for corn, soybeans, wheat, canola, barley, oats, or custom grains.

How do I calculate irrigation water usage?

MyFarmCalc's Irrigation Calculator lets you enter your field area, flow rate, and either a target application depth or a desired runtime. It calculates total water volume in gallons or litres, acre-feet, and estimated runtime.

How do I calculate my ag loan payment per acre?

Use MyFarmCalc's Ag Loan Calculator. Enter your loan amount, interest rate, term, and payment frequency. Optionally enter your number of acres to get a full breakdown of annual cost per acre, payment per acre, and total loan cost per acre.

How many tons of potatoes fit in my storage cellar?

MyFarmCalc's Potato Bulk Storage Calculator handles both rectangular and quonset-style cellars. Enter your cellar dimensions and pile height to calculate total tonnage, or enter a target tonnage to find the required pile height.

MyFarmCalc — Free Agricultural Calculators for Farmers

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Crop Yield Estimator

Estimate your total harvest and potential revenue based on field size and expected yield.

Field Area

Expected Yield (per acre/ha)

Crop Price (optional)

Fill in the fields and press Calculate to see your results.

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Irrigation Water Usage

Calculate total water volume and runtime from depth, or applied depth from a known runtime.

Calculation Mode

Field Area

System Flow Rate

Water Application Depth

Fill in the fields and press Calculate to see your results.

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Grain Drydown Calculator

Calculate shrink, sellable weight, drying costs, and trucking costs.

Moisture & Weight

Grain Type

Harvest Moisture (%)

Harvested Weight

Grain Price (optional)

Artificial Drying Costs (optional)

Drying Method

Trucking Costs (optional)

Trucking Rate Method

Fill in the fields and press Calculate to see your results.

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Ag Loan Calculator

Estimate your loan repayments, total interest, and cost per acre for equipment, land, or operating loans.

Loan Amount ($)

Annual Interest Rate (%)

Loan Term

Payment Frequency

Number of Acres (optional — for per-acre cost)

Extra Payment (optional)

Extra Payment Amount

Fill in the fields and press Calculate to see your results.

Grain Storage Calculator

Calculate how many bushels or tonnes a bin, silo, or flat storage can hold.

Structure Type

Diameter

Eave Height (Straight Wall)

Grain Type

Fill in the fields and press Calculate to see your results.

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Potato Bulk Storage Calculator

Calculate pile height from tonnage, or tonnage from pile height — for quonset or rectangular cellars.

Cellar Dimensions

Building Style

Interior Length

Interior Width

Potato Settings

Pile Density

Solve For

Calculation Mode

Pile Height

Measured from floor to top of pile

Potato Price (optional)

Fill in the fields and press Calculate to see your results.

Field Calculators

Crop Yield Estimator

Irrigation Water Usage

Grain Drydown Calculator

Ag Loan Calculator

Grain Storage Calculator

Potato Bulk Storage Calculator