Farm & Garden Math Center
Planting layouts, water volume, crop yield, field budgets and input quantities. 20 tools with purposes, formulas and worked examples.
Simple mode uses starting defaults for extra scenario controls. Advanced exposes those controls where available. Change an entry, then press Calculate.
Complete truth table
Formula, calculation steps & example
All 20 tools: purposes and formulas
- Rectangular garden area — Use the labeled measurements to calculate rectangular garden area.
A × B (A, B, C refer to the labeled entries)
- Whole beds in available area — Use the labeled measurements to calculate whole beds in available area.
floor(A ÷ B) (A, B, C refer to the labeled entries)
- Plants from entered density — Use the labeled measurements to calculate plants from entered density.
A × B (A, B, C refer to the labeled entries)
- Whole rows from width — Use the labeled measurements to calculate whole rows from width.
floor(A ÷ B) (A, B, C refer to the labeled entries)
- Positions per row — Use the labeled measurements to calculate positions per row.
floor(A ÷ B) (A, B, C refer to the labeled entries)
- Seed from entered mass rate — Use the labeled measurements to calculate seed from entered mass rate.
A × B (A, B, C refer to the labeled entries)
- Harvest mass per area — Use the labeled measurements to calculate harvest mass per area.
A ÷ B (A, B, C refer to the labeled entries)
- Harvest scenario total — Use the labeled measurements to calculate harvest scenario total.
A × B (A, B, C refer to the labeled entries)
- Water depth to volume — Use the labeled measurements to calculate water depth to volume.
A × B (A, B, C refer to the labeled entries)
- Irrigation time — Use the labeled measurements to calculate irrigation time.
A ÷ B (A, B, C refer to the labeled entries)
- Mulch volume — Use the labeled measurements to calculate mulch volume.
A × B (A, B, C refer to the labeled entries)
- Raised bed soil volume — Use the labeled measurements to calculate raised bed soil volume.
A × B × C (A, B, C refer to the labeled entries)
- Feed mass budget — Use the labeled measurements to calculate feed mass budget.
A × B × C (A, B, C refer to the labeled entries)
- Feed purchase cost — Use the labeled measurements to calculate feed purchase cost.
A × B (A, B, C refer to the labeled entries)
- Field material quantity — Use the labeled measurements to calculate field material quantity.
A × B (A, B, C refer to the labeled entries)
- Measured germination percentage — Use the labeled measurements to calculate measured germination percentage.
A ÷ B × 100 (A, B, C refer to the labeled entries)
- Plant survival percentage — Use the labeled measurements to calculate plant survival percentage.
A ÷ B × 100 (A, B, C refer to the labeled entries)
- Harvest gross revenue — Use the labeled measurements to calculate harvest gross revenue.
A × B (A, B, C refer to the labeled entries)
- Cost per harvested kilogram — Use the labeled measurements to calculate cost per harvested kilogram.
A ÷ B (A, B, C refer to the labeled entries)
- Harvest mass loss — Use the labeled measurements to calculate harvest mass loss.
A − B (A, B, C refer to the labeled entries)
Definitions and source references
Unit definitions and selected model references:
- Virginia Tech: wing geometry and mean aerodynamic chord
- Aircraft Design course: tail volume definitions
- Prusa: filament and printer calculation references
- NIST: SI defining constants
- NASA: aerodynamic lift models
- Horizon Hobby: product and battery documentation
- Smithsonian: Maya calendar units
- NIST: frequency intervals and cents
- NIST: binary prefixes
- NOAA: nautical miles and knots
- RFC 3021: IPv4 /31 point-to-point links
- MDN: exact integer arithmetic
- NIST: international-foot unit conversions
- NASA/JPL: astronomical unit definitions
- NASA: ideal rocket equation
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