OGML / Free working tool
Net mineral acre calculator
Use a mineral ownership fraction from the relevant records, on the same acreage basis. The worksheet estimates acreage from your inputs; it does not establish the ownership fraction or convert a royalty interest into mineral ownership.
NARO: mineral ownership and leasing FAQ.
Your inputs
Gross tract acres × mineral ownership fraction = estimated net mineral acres
Inputs and results remain on the current page. No account, upload or email is required to use or print this tool. A worksheet does not provide a title or legal opinion.
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