Agri & Farm
83 free agri & farm calculators — including Irrigation Water Calculator and Livestock Feed Calculator. Instant results in your browser, with the formula shown.
Search Agri & Farm calculators
- Irrigation Water Calculator – mm/Day, GPM, L/h
- Livestock Feed Calculator – kg & lb/day
- Farm Profit Calculator – Margin per Acre
- Crop Yield Calculator – bu/acre & t/ha
- Fertilizer Rate Calculator – 46-0-0 Urea
- Irrigation Schedule Calculator – Run Time
- Field Area Calculator – Acres & Hectares
- Lime Requirement Calculator – ECCE 90%
Irrigation Water Calculator – mm/Day, GPM, L/h
Calculate water needed for crop irrigation.
Livestock Feed Calculator – kg & lb/day
Calculate feed amount needed for livestock.
Farm Profit Calculator – Margin per Acre
Calculate farm profit from revenue and expenses.
Crop Yield Calculator – bu/acre & t/ha
Estimate your crop yield based on land area and productivity.
Fertilizer Rate Calculator – 46-0-0 Urea
Calculate required fertilizer amount.
Irrigation Schedule Calculator – Run Time
Calculate water amount and irrigation schedule.
Field Area Calculator – Acres & Hectares
Calculate field area with different dimensions.
Lime Requirement Calculator – ECCE 90%
Calculate lime needed to adjust soil pH.
Grain Storage Calculator
Calculate storage capacity needed for grain.
Drip Emitter Spacing Calculator – L/h, GPH
Calculate emitters and flow rate for drip irrigation.
Crop Calendar Calculator – Plant to Harvest
Calculate planting and harvest dates.
Mulch Calculator
Calculate mulch needed to cover soil.
Grazing Capacity Calculator – Animal Units
Calculate pasture carrying capacity.
Crop Water Requirement – ETc per Season
Calculate daily crop water requirement.
Crop Yield Predictor – Trend & Weather
Predict crop yield before harvest.
Soil pH Calculator – Nutrient Availability
Assess soil pH and determine treatment.
Seed Spacing Calculator – Inches & cm
Calculate spacing between seeds and rows.
Hay Yield Calculator – Ton/acre DM
Calculate expected hay yield.
Silo Capacity Calculator – Grain Volume
Calculate silo storage capacity.
Pesticide Rate Calculator – L/ha & gal/acre
Calculate required pesticide amount.
Crop Rotation Calculator – Season Plan
Plan annual crop rotation schedule.
Hay Bale Calculator
Calculate number of bales and yield from a hay field.
Compost Area Calculator
Calculate compost needed to cover a planting area.
Greenhouse Area Calculator – Beds & Plants
Calculate greenhouse area and number of plants.
Crop Rotation Planner
Plan crop rotation across multiple seasons.
Greenhouse Ventilation – CFM per m²
Calculate greenhouse ventilation rate.
Soil Moisture Calculator
Calculate soil moisture content.
Pesticide Dilution Calculator
Calculate pesticide dilution ratio.
Organic Fertilizer Calculator
Calculate organic fertilizer amount needed.
Soil pH Adjustment Calculator
Calculate soil pH adjustment amount.
Advanced Seed Rate Calculator
Calculate seed quantity precisely.
Drip Irrigation Flow Calculator
Calculate drip irrigation system flow.
NPK Fertilizer Calculator
Calculate NPK fertilizer quantity needed.
Drip Irrigation System Calculator – Zones
Calculate drip irrigation system requirements.
Crop Yield Estimator – Ears & Kernels
Estimate crop yield.
Grain Moisture Calculator
Calculate grain moisture percentage.
Silage Volume Calculator
Calculate stored silage volume.
Hay Bale Count Calculator
Calculate hay bale count from field.
Planting Density Calculator
Calculate plants needed.
Harvest Timing Calculator
Calculate expected harvest date.
Soil Fertility Calculator
Evaluate soil fertility.
Compost Ratio Calculator
Calculate carbon to nitrogen ratio.
Crop Water Requirement
Calculate crop water requirements.
Pesticide Mixing Calculator
Calculate pesticide amount needed.
Livestock Water Calculator
Calculate livestock water needs.
Poultry Feed Calculator
Calculate poultry feed needed.
Row Spacing Calculator
Calculate row and plant spacing.
Seed Germination Calculator
Calculate germination rate and seeding.
About Agri & Farm
This section gathers 83 free calculators for Agri & Farm on one page. The most popular are Irrigation Water Calculator, Livestock Feed Calculator and Animal Grazing Calculator, each running instantly in your browser with the formula and steps shown. The grid also covers Crop Calendar Calculator, so most common Agri & Farm questions have a matching tool. Every tool is free with no sign-up, so any number you copy can be verified yourself.
What you can calculate
Irrigation Water Calculator, Livestock Feed Calculator, Animal Grazing Calculator, Crop Calendar Calculator
Top Agri & Farm Calculators
Irrigation Water Calculator – mm/Day, GPM, L/h
Calculate water needed for crop irrigation.
Livestock Feed Calculator – kg & lb/day
Calculate feed amount needed for livestock.
Farm Profit Calculator – Margin per Acre
Calculate farm profit from revenue and expenses.
Crop Yield Calculator – bu/acre & t/ha
Estimate your crop yield based on land area and productivity.
Fertilizer Rate Calculator – 46-0-0 Urea
Calculate required fertilizer amount.
FAQs about Agri & Farm
What is the best calculator in the Agri & Farm category?
The most popular Agri & Farm tools on this site are Irrigation Water Calculator, Livestock Feed Calculator and Animal Grazing Calculator, in that order. All are free, run instantly in your browser, and show their calculation steps — pick the closest to your case or try more than one.
Are the Agri & Farm calculators free to use?
Yes — all 83 tools in the Agri & Farm category are completely free: they run in your browser with no sign-up and never send your inputs anywhere. Enter your values and the result appears instantly, with the formula used shown.
How many calculators are in the Agri & Farm category?
The Agri & Farm category currently lists 83 free tools. The most used are Irrigation Water Calculator, Livestock Feed Calculator and Animal Grazing Calculator, and all of them are reachable directly from the grid on this page, with no registration required.