Tools
Free tools
A free tool built on official guidance, plus our state-by-state directory.
How our tools work
The soil sampling planner follows common Cooperative Extension sampling instructions; your lab's form takes priority.
How many cores, how deep and how many bags to send for a lawn, garden or field.
Nothing you type into a tool is saved on our servers unless the tool says so. Letter builders and checklists run entirely in your browser.