Tools
Free farm calculators
Quick, no-nonsense calculators for the arithmetic that comes up on every grain farm - unit conversions, field yields, and drying decisions. No sign-up needed.
Hectares to Acres Converter
Convert between hectares, acres, and square metres instantly — with a reference table of common field sizes.
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Field Yield Calculator
Work out yield in t/ha and t/acre from a field's tonnage and area, and compare against typical UK crop yields.
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Grain Drying Calculator
See how much weight grain loses when dried to spec, and estimate what a drying decision costs before you make it.
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Grain Store Capacity Calculator
Estimate how many tonnes fit in a shed or bay from its dimensions and the crop's bulk density.
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Seed Rate Calculator
Work out drilling rate in kg/ha from target plant population, thousand grain weight, and expected establishment.
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Specific Weight Converter
Convert specific weight between kg/hl and lb/bu, and see typical UK contract minimums for wheat, barley and oats.
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Combine Workrate Calculator
Estimate hectares and tonnes per hour from header width, forward speed and field efficiency — and how many trailers that needs.
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More tools on the way
We're working on a UK public weighbridge finder and more harvest-season calculators. If there's a calculation you keep doing on the back of an envelope, tell us and we'll build it.