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THE FEUTEX TOOLKIT

Seed Germination Test Planner

Estimate seed demand using an observed germination test and a separate establishment allowance.

Gardening workspace● Runs in your browser
01 Your input
02 Your result
View or copy raw result data
FormulaGermination = 100*sprouted/tested; Sow = Math.ceil(plants/(sprouted/tested)/(establishment/100))

Worked example

Inputs

Tested
50 seeds
Sprouted
40 seeds
Plants
120 plants
Establishment
90 %

Expected results

Germination
80 %
Sow
167 seeds

Load the example in the workspace to reproduce these results. Display rounding does not change the underlying calculation.

How to use this tool

  1. Enter the measured quantities and your own planning assumptions.
  2. Review all calculated outputs and the stated limitations.

Try this example

{
  "tested": 50,
  "sprouted": 40,
  "plants": 120,
  "establishment": 90
}

Accuracy and scope

Planning estimate using the assumptions you enter; verify dimensions and real operating constraints before purchase or use.

Is my data uploaded?

This tool runs locally in your browser. Input and output are not sent to a processing server. Copy or download your result before leaving the page.