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150 Free Agriculture Tools & Farm Calculators | AgriGuru

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Your everyday farming companion

Big ideas.
Better numbers.
Smarter farming.

150 free agriculture tools to turn everyday farm questions into a clearer plan. Explore calculators for land, seeds, water, machinery and farm business.

Crop + state planning context · कोई साइनअप नहीं

Colourful 3D Indian farm with farmers, crops, tractor, irrigation, dairy barn and mushroom shed🌾 Your farm. Your numbers. Your plan.
🧮 150 practical tools🌱 Crop + state selectors📱 Mobile-friendly📖 Agriculture blog

Your complete farm toolkit

Every tool has its own page. Choose a task and get started.

150 tools

Crop and state label your plan. Enter verified local rates where needed; these selections do not silently change a formula.

🌿Land & sowing

Acre to Bigha Converter

Enter your own figures and review the planning estimate.

Open calculator ↗
🌿Land & sowing

Hectare to Acre Converter

Enter your own figures and review the planning estimate.

Open calculator ↗
🌿Land & sowing

Seed Rate Calculator

Enter your own figures and review the planning estimate.

Open calculator ↗
🛠️Crop inputs

NPK Fertilizer Calculator

Enter your own figures and review the planning estimate.

Open calculator ↗
🛠️Crop inputs

Urea Requirement Calculator

Enter your own figures and review the planning estimate.

Open calculator ↗
🛠️Crop inputs

Pesticide Dose Calculator

Enter your own figures and review the planning estimate.

Open calculator ↗
📊Farm business

Crop Profit Calculator

Enter your own figures and review the planning estimate.

Open calculator ↗
🌿Land & sowing

Plant Population Calculator

Enter your own figures and review the planning estimate.

Open calculator ↗
📚Planning & guides

Agriculture Loan EMI Calculator

Enter your own figures and review the planning estimate.

Open calculator ↗
📚Planning & guides

PMFBY Premium Calculator

Enter your own figures and review the planning estimate.

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📊Farm business

Mushroom Profit Calculator

Enter your own figures and review the planning estimate.

Open calculator ↗
📊Farm business

Dairy Profit Calculator

Enter your own figures and review the planning estimate.

Open calculator ↗
📊Farm business

Broiler FCR Calculator

Enter your own figures and review the planning estimate.

Open calculator ↗
🛠️Crop inputs

Drip Irrigation Calculator

Enter your own figures and review the planning estimate.

Open calculator ↗
📚Planning & guides

Plant Disease Symptom Guide

Enter your own figures and review the planning estimate.

Open guide ↗
📐Unit converters

Acres to Square Metres

Input × 4046.8564224

Open calculator ↗
📐Unit converters

Square Metres to Acres

Input × 0.000247105381467

Open calculator ↗
📐Unit converters

Hectares to Square Metres

Input × 10000

Open calculator ↗
📐Unit converters

Square Metres to Hectares

Input × 0.0001

Open calculator ↗
📐Unit converters

Acres to Hectares

Input × 0.40468564224

Open calculator ↗
📐Unit converters

Square Feet to Square Metres

Input × 0.09290304

Open calculator ↗
📐Unit converters

Square Metres to Square Feet

Input × 10.76391041671

Open calculator ↗
📐Unit converters

Acres to Square Feet

Input × 43560

Open calculator ↗
📐Unit converters

Square Feet to Acres

Input × 0.0000229568411387

Open calculator ↗
📐Unit converters

Hectares to Square Feet

Input × 107639.1041671

Open calculator ↗
📐Unit converters

Square Feet to Hectares

Input × 0.000009290304

Open calculator ↗
📐Unit converters

Guntha to Acres

Input × 0.025

Open calculator ↗
📐Unit converters

Acres to Guntha

Input × 40

Open calculator ↗
📐Unit converters

Cents to Acres

Input × 0.01

Open calculator ↗
📐Unit converters

Acres to Cents

Input × 100

Open calculator ↗
📐Unit converters

Kilograms to Quintals

Input × 0.01

Open calculator ↗
📐Unit converters

Quintals to Kilograms

Input × 100

Open calculator ↗
📐Unit converters

Tonnes to Kilograms

Input × 1000

Open calculator ↗
📐Unit converters

Kilograms to Tonnes

Input × 0.001

Open calculator ↗
📐Unit converters

Quintals to Tonnes

Input × 0.1

Open calculator ↗
📐Unit converters

Tonnes to Quintals

Input × 10

Open calculator ↗
📐Unit converters

Grams to Kilograms

Input × 0.001

Open calculator ↗
📐Unit converters

Kilograms to Grams

Input × 1000

Open calculator ↗
📐Unit converters

Litres to Cubic Metres

Input × 0.001

Open calculator ↗
📐Unit converters

Cubic Metres to Litres

Input × 1000

Open calculator ↗
📐Unit converters

Millimetres to Metres

Input × 0.001

Open calculator ↗
📐Unit converters

Centimetres to Metres

Input × 0.01

Open calculator ↗
📐Unit converters

Inches to Centimetres

Input × 2.54

Open calculator ↗
📐Unit converters

Centimetres to Inches

Input × 0.3937007874

Open calculator ↗
📐Unit converters

Kilometres to Miles

Input × 0.62137119224

Open calculator ↗
📐Unit converters

Miles to Kilometres

Input × 1.609344

Open calculator ↗
📐Unit converters

Hours to Minutes

Input × 60

Open calculator ↗
📐Unit converters

Minutes to Hours

Input × 0.0166666666666667

Open calculator ↗
📐Unit converters

Celsius to Fahrenheit

°F = °C × 1.8 + 32

Open calculator ↗
📐Unit converters

Fahrenheit to Celsius

°C = (°F − 32) ÷ 1.8

Open calculator ↗
🌳Land geometry

Rectangular Field Area

Length × width

Open calculator ↗
🌳Land geometry

Square Field Area

Side²

Open calculator ↗
🌳Land geometry

Triangular Field Area

Base × perpendicular height ÷ 2

Open calculator ↗
🌳Land geometry

Circular Field Area

π × radius²

Open calculator ↗
🌳Land geometry

Trapezoid Field Area

(A + B) × distance ÷ 2

Open calculator ↗
🌳Land geometry

Rectangular Field Perimeter

2 × (length + width)

Open calculator ↗
🌳Land geometry

Square Field Perimeter

4 × side

Open calculator ↗
🌳Land geometry

Circular Fence Length

2 × π × radius

Open calculator ↗
🌳Land geometry

Fence Wire Requirement

Boundary × strands × (1 + waste/100)

Open calculator ↗
🌳Land geometry

Closed Boundary Fence Posts

Round up: boundary ÷ interval

Open calculator ↗
🌳Land geometry

Net Cultivated Area

Gross area − excluded area

Open calculator ↗
🌳Land geometry

Raised Bed Count

Floor[(width + path) ÷ (bed + path)]

Open calculator ↗
🌳Land geometry

Raised Bed Planting Area

Beds × width × length

Open calculator ↗
🌳Land geometry

Rectangular Pond Volume

Length × width × average water depth

Open calculator ↗
🌳Land geometry

Cylindrical Tank Capacity

π × radius² × water depth × 1000

Open calculator ↗
🌱Seeds & nursery

Germination Test Percentage

Germinated ÷ tested × 100

Open calculator ↗
🌱Seeds & nursery

Seed Physical Purity Percentage

Pure seed mass ÷ sample mass × 100

Open calculator ↗
🌱Seeds & nursery

Pure Live Seed Percentage

Germination × purity ÷ 100

Open calculator ↗
🌱Seeds & nursery

Seed Weight from Target Plants

Plants × TSW ÷ 1000000 ÷ establishment fraction

Open calculator ↗
🌱Seeds & nursery

Seed Packet Count

Round up: required seeds ÷ seeds per packet

Open calculator ↗
🌱Seeds & nursery

Nursery Tray Count

Round up: seedlings ÷ (cells × usable fraction)

Open calculator ↗
🌱Seeds & nursery

Transplant Gap Count

Target − surviving plants

Open calculator ↗
🌱Seeds & nursery

Seed Purchase Cost

Seed quantity × price per kg

Open calculator ↗
🌱Seeds & nursery

Nursery Medium Volume

Trays × cells × mL per cell ÷ 1000

Open calculator ↗
🌱Seeds & nursery

Field Emergence Percentage

Established seedlings ÷ seeds sown × 100

Open calculator ↗
🧪Nutrients & soil

Fertilizer Product Requirement

Nutrient kg ÷ concentration fraction

Open calculator ↗
🧪Nutrients & soil

Nutrient Supplied by Product

Product kg × concentration ÷ 100

Open calculator ↗
🧪Nutrients & soil

Nutrient Requirement for Field

Area × locally recommended rate

Open calculator ↗
🧪Nutrients & soil

Fertilizer Bag Count

Round up: product kg ÷ bag kg

Open calculator ↗
🧪Nutrients & soil

Fertilizer Purchase Cost

Product quantity × price

Open calculator ↗
🧪Nutrients & soil

Compost Quantity

Area × specified compost rate

Open calculator ↗
🧪Nutrients & soil

Compost Transport Loads

Round up: mass ÷ usable load

Open calculator ↗
🧪Nutrients & soil

Soil Bulk Density

Oven-dry mass ÷ undisturbed core volume

Open calculator ↗
🧪Nutrients & soil

Soil Porosity Estimate

(1 − bulk density / particle density) × 100

Open calculator ↗
🧪Nutrients & soil

Soil Layer Mass

Area × depth × bulk density

Open calculator ↗
💧Water & irrigation

Irrigation Water Volume

Hectares × water depth mm × 10

Open calculator ↗
💧Water & irrigation

Water Depth from Volume

Volume ÷ (hectares × 10)

Open calculator ↗
💧Water & irrigation

Pump Filling Time

Volume ÷ discharge

Open calculator ↗
💧Water & irrigation

Measured Pump Discharge

Litres ÷ seconds × 60

Open calculator ↗
💧Water & irrigation

Dripper Count

Floor: total lateral length ÷ spacing

Open calculator ↗
💧Water & irrigation

Emitter Water Delivery

Count × discharge × runtime

Open calculator ↗
💧Water & irrigation

Drip Runtime

Required water ÷ (emitter count × discharge)

Open calculator ↗
💧Water & irrigation

Irrigation Application Efficiency

Root-zone water ÷ delivered water × 100

Open calculator ↗
💧Water & irrigation

Gross Irrigation Requirement

Net depth ÷ efficiency fraction

Open calculator ↗
💧Water & irrigation

Rainwater Collection Potential

Area × rainfall mm × collection fraction

Open calculator ↗
💧Water & irrigation

Water Storage Days

Usable storage ÷ daily demand

Open calculator ↗
💧Water & irrigation

Water Flow L per Minute to Cubic Metres per Hour

L/min × 0.06

Open calculator ↗
💧Water & irrigation

Water Flow Cubic Metres per Hour to L per Minute

m³/hour ÷ 0.06

Open calculator ↗
💧Water & irrigation

Tank Filling Cycles

Round up: required volume ÷ tank volume

Open calculator ↗
💧Water & irrigation

Sprinkler Application Depth

Flow × hours × 1000 ÷ covered area

Open calculator ↗
🚜Machinery & labour

Theoretical Field Capacity

Width × speed ÷ 10

Open calculator ↗
🚜Machinery & labour

Effective Field Capacity

Width × speed ÷ 10 × efficiency fraction

Open calculator ↗
🚜Machinery & labour

Field Operation Time

Area ÷ effective capacity

Open calculator ↗
🚜Machinery & labour

Tractor Fuel Requirement

Hours × measured fuel use

Open calculator ↗
🚜Machinery & labour

Tractor Fuel Cost

Fuel quantity × entered price

Open calculator ↗
🚜Machinery & labour

Machinery Hire Cost

Area × hire rate

Open calculator ↗
🚜Machinery & labour

Machine Cost per Hectare

Total cost ÷ area covered

Open calculator ↗
🚜Machinery & labour

Labour Person-Days

Workers × days worked

Open calculator ↗
🚜Machinery & labour

Labour Wage Budget

Person-days × wage

Open calculator ↗
🚜Machinery & labour

Workers Required

Round up: person-days ÷ available days

Open calculator ↗
🚜Machinery & labour

Transport Trip Count

Round up: total mass ÷ usable trip capacity

Open calculator ↗
🚜Machinery & labour

Transport Cost per Tonne

Transport cost ÷ mass

Open calculator ↗
🚜Machinery & labour

Travel Time

Distance ÷ average speed

Open calculator ↗
🚜Machinery & labour

Kilowatts to Horsepower

kW ÷ 0.7456998716

Open calculator ↗
🚜Machinery & labour

Horsepower to Kilowatts

Mechanical hp × 0.7456998716

Open calculator ↗
💰Farm budgets

Gross Crop Revenue

Sold quantity × sale price

Open calculator ↗
💰Farm budgets

Production Cost per Kilogram

Production cost ÷ marketable output

Open calculator ↗
💰Farm budgets

Break-even Sale Price

Total cost ÷ saleable output

Open calculator ↗
💰Farm budgets

Break-even Yield

Total cost ÷ sale price

Open calculator ↗
💰Farm budgets

Benefit Cost Ratio

Gross returns ÷ total cost

Open calculator ↗
💰Farm budgets

Profit Margin Percentage

Net profit ÷ revenue × 100

Open calculator ↗
💰Farm budgets

Return on Entered Cost

Net profit ÷ total cost × 100

Open calculator ↗
💰Farm budgets

Market Commission Cost

Gross sales × commission fraction

Open calculator ↗
💰Farm budgets

Net Sale Receipts

Gross sales − deductions

Open calculator ↗
💰Farm budgets

Farm Budget Contingency

Base budget × (1 + contingency fraction)

Open calculator ↗
💰Farm budgets

Storage Charge Estimate

Tonnes × rate × months

Open calculator ↗
💰Farm budgets

Packaging Cost

Count × cost per package

Open calculator ↗
💰Farm budgets

Farm Lease Cost

Area × annual rate × years

Open calculator ↗
💰Farm budgets

Electricity Operating Cost

Power × time × entered tariff

Open calculator ↗
💰Farm budgets

Simple Equipment Payback

Investment ÷ annual net cash saving

Open calculator ↗
🌾Harvest & storage

Crop Yield per Hectare

Harvest weight ÷ harvested hectares

Open calculator ↗
🌾Harvest & storage

Crop Yield per Acre

Harvest weight ÷ harvested acres

Open calculator ↗
🌾Harvest & storage

Crop Cutting Yield Estimate

Sample weight ÷ sample area × 10000

Open calculator ↗
🌾Harvest & storage

Marketable Harvest Percentage

Marketable output ÷ total output × 100

Open calculator ↗
🌾Harvest & storage

Post-harvest Mass Loss

(Initial − final) ÷ initial × 100

Open calculator ↗
🌾Harvest & storage

Grain Drying Final Weight

Initial weight × (100 − initial moisture) ÷ (100 − final moisture)

Open calculator ↗
🌾Harvest & storage

Grain Drying Water Removed

Initial weight − final weight at target moisture

Open calculator ↗
🌾Harvest & storage

Storage Bag Count

Round up: grain kg ÷ bag capacity

Open calculator ↗
🌾Harvest & storage

Rectangular Storage Volume

Usable length × width × stack height

Open calculator ↗
🌾Harvest & storage

Bulk Storage Mass Estimate

Usable volume × measured bulk density

Open calculator ↗
🐄Livestock & mushroom

Dairy Daily Milk Revenue

Daily litres × price per litre

Open calculator ↗
🐄Livestock & mushroom

Dairy Monthly Milk Revenue

Daily litres × price × selling days

Open calculator ↗
🐄Livestock & mushroom

Dairy Feed Budget

Animals × daily feed cost × days

Open calculator ↗
🐄Livestock & mushroom

Milk Production per Animal

Daily milk ÷ lactating animals

Open calculator ↗
🐄Livestock & mushroom

Poultry Flock Live Weight

Bird count × mean live weight

Open calculator ↗
🐄Livestock & mushroom

Poultry Feed Cost

Feed consumed × price

Open calculator ↗
🐄Livestock & mushroom

Poultry Survival Percentage

Surviving birds ÷ initially placed × 100

Open calculator ↗
🐄Livestock & mushroom

Mushroom Biological Efficiency

Fresh yield ÷ dry substrate × 100

Open calculator ↗
🐄Livestock & mushroom

Mushroom Bag Requirement

Round up: total dry substrate ÷ dry substrate per bag

Open calculator ↗
🐄Livestock & mushroom

Mushroom Sale Revenue

Saleable weight × entered price

Open calculator ↗
Learn alongside your tools

Start your mushroom learning journey.

Explore AgriGuru’s English and Hindi ebook collection. The calculators remain free to use, with no ebook purchase required.

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A few things to know

How do I use the crop and state selectors?

Choose your farm context here or on any tool page. Selections label your plan. They do not automatically apply state-specific seed rates, product doses or scheme rules. Enter a verified local value when the tool requires one.

Does every tool have its own page?

Yes. Each card opens a separate calculator or guide page with its own URL, clear inputs and explanations. The original Seed Rate Calculator keeps its existing URL.

Are all calculators free?

Yes. No signup or ebook purchase is required for calculator use. Profit estimates depend on entered values and do not guarantee returns.

क्या हिंदी में जानकारी उपलब्ध है?

हर टूल पर फसल और राज्य के विकल्प दिए गए हैं। मौजूदा कृषि टूल में भाषा बदलने का विकल्प है और नए टूल पर हिंदी उपयोग गाइड है। इकाई और स्थानीय अनुशंसा की पुष्टि करके गणना करें।

Suraj Kumar Singh
MEET THE AUTHOR

Suraj Kumar Singh

Agriculture education · Medicinal & aromatic plants · Research

Making agriculture easier to understand through clear explanations, practical examples and transparent farm calculations. Suraj shares agriculture learning resources with a focus on medicinal and aromatic plants, research and practical farm planning.

🎓 B.Sc. AgricultureHNB Garhwal Central University
Uttarakhand, India
🌿 M.Sc. AgricultureSpecialisation: Medicinal & Aromatic Plants
HNB Garhwal Central University, Uttarakhand, India
🔬 PhD in BiotechnologyCurrently pursuing
Ongoing

Clear concepts. Useful examples. Better-informed farm planning.