Email: blogagri2@gmail.com
Crop & Planting
Use Calculator Seed Rate Calculator
Calculate sowing rate and total seed required from target population, thousand-seed weight, germination and expected field loss.
Agriculture Calculators & Farm Planning Tools
Plan seed, fertilizer, irrigation, livestock, machinery and farm finances with practical calculators designed for growers, students and agricultural professionals.
50 calculators6 farm categories100% free to use
Crop & Planting Calculators
Plan seed, spacing, crop establishment, yield, harvest and growing conditions.
Crop & Planting
Use Calculator Plant Population Calculator
Estimate planting positions and established plants from field area, row spacing, in-row spacing and establishment percentage.
Crop & Planting
Use Calculator Plant Spacing Calculator
Calculate plants per row, total rows and total planting positions for a rectangular field or garden.
Crop & Planting
Use Calculator Tree Spacing Calculator
Estimate orchard rows, trees per row, total trees and replacement stock from land dimensions and spacing.
Crop & Planting
Use Calculator Trees per Acre Calculator
Calculate theoretical trees per acre and per hectare from between-row and in-row spacing.
Crop & Planting
Use Calculator Crop Yield Calculator
Estimate yield per hectare, yield per acre and total field production from a representative harvest sample.
Crop & Planting
Use Calculator Harvest Loss Calculator
Estimate field-scale crop loss from the weight of grain or produce collected in a measured sample area.
Crop & Planting
Use Calculator Grain Moisture Adjustment Calculator
Adjust grain weight or yield from its measured moisture content to a target marketing or storage moisture.
Crop & Planting
Use Calculator Growing Degree Days Calculator
Calculate daily growing degree days from maximum, minimum and crop base temperatures.
Crop & Planting
Use Calculator Frost Date & Growing Season Calculator
Estimate first-frost date and growing-season length from a locally observed last-frost date and frost-free period.
Soil & Fertilizer Calculators
Estimate nutrient products, lime, soil amendments, compost ratios and fertilizer costs.
Soil & Fertilizer
Use Calculator Fertilizer Dosage Calculator
Calculate fertilizer product required from a user-supplied nutrient target, product analysis and field area.
Soil & Fertilizer
Use Calculator NPK Fertilizer Calculator
Estimate the compound fertilizer rate needed to meet user-entered nitrogen, phosphorus and potassium targets.
Soil & Fertilizer
Use Calculator Fertilizer Blend Calculator
Calculate the final N-P-K analysis of a physical blend made from two fertilizer products.
Soil & Fertilizer
Use Calculator Fertilizer Cost Calculator
Estimate fertilizer product, bags, cost per hectare and total field cost.
Soil & Fertilizer
Use Calculator Lime Application Calculator
Adjust a laboratory lime recommendation for product neutralizing value and calculate total tonnes and cost.
Soil & Fertilizer
Use Calculator Soil pH Adjustment Estimator
Create an educational lime estimate from pH difference and a locally supplied soil-buffer factor.
Soil & Fertilizer
Use Calculator Compost Carbon-to-Nitrogen Calculator
Estimate the combined carbon-to-nitrogen ratio of two compost ingredients by dry weight.
Soil & Fertilizer
Use Calculator Crop Nutrient Removal Calculator
Estimate nutrients removed in harvested produce using yield and locally sourced removal coefficients.
Irrigation & Water Calculators
Plan crop water, irrigation runtime, tanks, pumps, sprinklers and rainwater storage.
Irrigation & Water
Use Calculator Irrigation Water Requirement Calculator
Estimate net and gross irrigation depth and total water volume after rainfall and system-efficiency adjustments.
Irrigation & Water
Use Calculator Crop Water Need Calculator
Calculate crop evapotranspiration and field water volume from reference evapotranspiration and crop coefficient.
Irrigation & Water
Use Calculator Drip Irrigation Runtime Calculator
Calculate daily drip-system runtime from plant count, emitters, emitter flow and desired water per plant.
Irrigation & Water
Use Calculator Drip Irrigation Tank Size Calculator
Size a storage tank from the number of emitters, discharge, daily runtime, reserve days and safety buffer.
Irrigation & Water
Use Calculator Sprinkler Water Usage Calculator
Estimate water used per irrigation session, week and month from sprinkler count, flow and runtime.
Irrigation & Water
Use Calculator Irrigation Pump Size Calculator
Estimate hydraulic power, input power and a practical motor size from flow, total head and efficiency.
Irrigation & Water
Use Calculator Rainwater Harvesting Calculator
Estimate recoverable rainwater from catchment area, rainfall, runoff coefficient and storage losses.
Irrigation & Water
Use Calculator Farm Water Storage Calculator
Calculate reserve storage from daily irrigation, livestock and other water demands.
Livestock, Poultry & Aquaculture
Estimate feed, growth, grazing, stocking, animal water and pond fish requirements.
Livestock
Use Calculator Broiler Feed Calculator
Estimate saleable birds, total feed, feed bags and feed cost for a broiler cycle.
Livestock
Use Calculator Feed Conversion Ratio Calculator
Calculate feed conversion ratio, total weight gain and feed cost per unit of live-weight gain.
Livestock
Use Calculator Cattle Feed Requirement Calculator
Estimate herd dry-matter requirement from animal count, body weight, intake percentage and feeding period.
Livestock
Use Calculator Average Daily Gain Calculator
Calculate total gain, average daily gain and percentage body-weight change over a measured period.
Livestock
Use Calculator Pasture Stocking Rate Calculator
Estimate animals supported for a grazing period from pasture forage, utilization and animal intake.
Livestock
Use Calculator Rotational Grazing Calculator
Estimate grazing days per paddock and the number of paddocks needed for a desired rest period.
Livestock
Use Calculator Livestock Water Requirement Calculator
Estimate animal water demand and reserve tank capacity using a locally appropriate per-head rate.
Livestock
Use Calculator Pond Fish Stocking Calculator
Estimate fingerlings, survivors and potential harvest biomass from pond area and a locally selected stocking rate.
Field, Machinery & Storage
Calculate field capacity, work time, fuel, depreciation, spraying and storage volume.
Machinery & Storage
Use Calculator Acres per Hour Calculator
Calculate theoretical and effective field capacity from implement width, travel speed and field efficiency.
Machinery & Storage
Use Calculator Field Work Time Calculator
Estimate effective field capacity and total operating time for a field operation.
Machinery & Storage
Use Calculator Tractor Fuel Cost Calculator
Estimate fuel volume, field fuel use and total fuel cost for a machinery operation.
Machinery & Storage
Use Calculator Tractor Depreciation Calculator
Estimate straight-line annual, hourly and accumulated depreciation for farm machinery.
Machinery & Storage
Use Calculator Sprayer Calibration Calculator
Calculate gallons per acre and litres per hectare from nozzle flow, travel speed and nozzle spacing.
Machinery & Storage
Use Calculator Tank Mix Calculator
Calculate area per tank, product per tank, number of loads and total product from label and carrier rates.
Machinery & Storage
Use Calculator Grain Bin Capacity Calculator
Estimate cylindrical grain-bin volume, US bushels and grain weight from bin dimensions and test weight.
Machinery & Storage
Use Calculator Silo Storage Capacity Calculator
Estimate cylindrical silo volume and material mass using dimensions, bulk density and usable-fill percentage.
Farm Business & Profit Calculators
Understand production costs, profit, break-even points, returns, rent and greenhouse margins.
Farm Business
Use Calculator Farm Profit Calculator
Calculate revenue, production cost, profit per hectare, margin and return on cost.
Farm Business
Use Calculator Break-Even Price Calculator
Calculate the minimum selling price needed to cover total production and marketing cost.
Farm Business
Use Calculator Break-Even Yield Calculator
Calculate the saleable yield required to cover costs at an expected market price.
Farm Business
Use Calculator Crop Production Cost Calculator
Build a production budget from seed, fertilizer, crop protection, irrigation, machinery, labour and fixed costs.
Farm Business
Use Calculator Farm ROI Calculator
Calculate operating profit, return on cost and profit margin from farm revenue and investment.
Farm Business
Use Calculator Farmland Rent Calculator
Estimate total cash rent and rent per production unit from acreage, rate, yield and lease duration.
Farm Business
Use Calculator Greenhouse Profit Calculator
Estimate greenhouse production, revenue, operating cost, profit per square metre and margin.
No calculators match your search.
