All Agriculture & Farming Tools
Crop Yield Calculator
Estimate harvest yield from acreage, crop type, and growing conditions with revenue projections at current market prices
Farm Profit Calculator
Calculate farm profit per acre or per head. Enter crop yields and prices or livestock sale values, itemize your input costs, and see net profit, break-even yield, and profit margins.
Grain Bin Volume Calculator
Calculate grain bin storage capacity in bushels from bin dimensions. Supports round bins, rectangular bins, and peaked grain.
Hay Storage Calculator
Calculate total hay needed for your herd through winter or any feeding period. Includes bale counts, storage space requirements, and cost estimates based on animal type, weight, and waste factor.
Irrigation Water Needs Calculator
Calculate irrigation water requirements by crop type, acreage, soil type, and climate zone with scheduling and pump sizing
Livestock Feed Calculator
Calculate daily feed requirements by animal type, weight, and life stage. See hay, grain, and supplement amounts with cost estimates for your herd.
Livestock Weight Estimator
Estimate live weight of cattle, horses, pigs, sheep, and goats from heart girth and body length measurements using standard weight tape formulas. No scale required.
Seed Rate Calculator
Calculate pounds of seed per acre by crop type, germination rate, and purity. Get total seed needed, bag count, and cost estimate for your fields.
Agriculture Calculators on FastTools help farmers, ranchers, and agricultural professionals make data-driven decisions. Every calculator runs entirely in your browser — no downloads, no signups, no data sent anywhere.
From estimating crop yields and seed rates to calculating livestock feed requirements, these free tools give you the numbers you need to run a more efficient operation.
Frequently Asked Questions
Are these agriculture calculators free?
Yes, every tool is completely free to use with no signup, no account, and no hidden fees.
Is my data safe?
Absolutely. All calculations run locally in your browser. No farm data is sent to any server or stored anywhere.
Do I need to create an account?
No. Every tool works instantly with no registration required. Just open and start using.