Free Online Agriculture & Gardening Tools
Plan planting, growing-medium quantities, irrigation and harvest scenarios with online gardening calculators.
Choose the right tool
Choose spacing tools for layouts and water tools for explicit area, flow and depth. Crop coefficients, soil properties, declared nutrient percentages and application rates must come from suitable local or product-specific information.
Available tools
- Rectangular Plant Spacing Quantity
Online rectangular plant spacing quantity. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Triangular Planting Density Estimate
Online triangular planting density estimate. Infinite triangular-grid area approximation; boundary losses excluded.
- Seed Mass for Sowing Area
Online seed mass for sowing area. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Seed Count for Target Established Plants
Online seed count for target established plants. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Thousand Seed Weight Quantity
Online thousand seed weight quantity. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Seed Tray Count Planner
Online seed tray count planner. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Cylindrical Pot Growing Medium Volume
Online cylindrical pot growing medium volume. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Raised Bed Soil Bag Planner
Online raised bed soil bag planner. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Two Ingredient Compost Carbon Nitrogen Ratio
Online two ingredient compost carbon nitrogen ratio. Dry-mass elemental percentages, not material volume ratios.
- Irrigation Liters from Water Depth
Online irrigation liters from water depth. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Drip Irrigation Runtime Calculator
Online drip irrigation runtime calculator. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Sprinkler Precipitation Rate Calculator
Online sprinkler precipitation rate calculator. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Crop Water Use from Reference ET
Online crop water use from reference et. Supply a verified crop and growth-stage coefficient for local conditions.
- Gross Irrigation Requirement Estimate
Online gross irrigation requirement estimate. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Root Zone Available Water Storage
Online root zone available water storage. Volumetric soil-water fractions, not gravimetric percentages.
- Irrigation Interval from Depletion Budget
Online irrigation interval from depletion budget. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Harvest Area Yield Estimate
Online harvest area yield estimate. Yield is a user scenario rather than a crop guarantee.
- Garden Row Cover Material Planner
Online garden row cover material planner. Rectangular clearance estimate rather than a fitted arch fabric pattern.
- Greenhouse Floor Space Plant Capacity
Online greenhouse floor space plant capacity. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Compost Top Dressing Bag Count
Online compost top dressing bag count. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Succession Sowing Batch Schedule
Online succession sowing batch schedule. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Growing Degree Day Single Day Calculator
Online growing degree day single day calculator. Simple mean-temperature model with no upper temperature cap.
- Daily Light Integral from PPFD
Online daily light integral from ppfd. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Ideal Grow Light Distance Intensity Scaling
Online ideal grow light distance intensity scaling. Point-source far-field approximation; LED arrays can behave differently at short distances.
- Fertilizer Nutrient Mass Arithmetic
Online fertilizer nutrient mass arithmetic. Uses a supplied declared percentage; not an application-rate recommendation.
- Fertilizer Quantity from Supplied Area Rate
Online fertilizer quantity from supplied area rate. Enter a rate verified for the product, crop and soil; the tool does not prescribe one.
- Two Product Nutrient Blend Percentage
Online two product nutrient blend percentage. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Usable Harvest after Sorting Loss
Online usable harvest after sorting loss. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.
- Crop Moisture Drying Mass Balance
Online crop moisture drying mass balance. Wet-basis moisture; conserves dry matter and assumes no other losses.
- Rectangular Orchard Row Count Planner
Online rectangular orchard row count planner. Planning estimate using supplied crop, soil or material parameters. Growth, weather and application suitability are not predicted.