Free reference tools for land & mineral owners
Free calculators, a searchable glossary, and clear explanations. No legal jargon. No advocacy. Just accurate information you can act on.
Most-used tool
Enter the numbers from your lease documents to compute your decimal interest — the figure that appears on your division order and controls how your royalty check is calculated.
Enter as a fraction (1/8) or a percentage (12.5%)
Need more options? Open the full calculator — or try the Royalty Income Estimator.
Verify the decimal interest on your division orders and understand the math behind your royalty checks before you sign anything.
Estimate your monthly and annual income, spot post-production deductions, and know which line items on your statement to question.
Quickly model your net revenue interest on a prospect and understand how lease burdens affect your take.
Look up terminology on the go, double-check your decimal math, and keep the standard definitions close at hand.
Learn how severed mineral estates work, what a surface use agreement covers, and what rights you do and don't control.
Just inherited mineral rights and have no idea what that means? Start with the glossary. Everything is in plain English.
Everything is free, no login required, and built for mobile.
Division order decimal, royalty income estimator, and a searchable glossary. No signup, no paywall.
Plain-English definitions for the industry vocabulary you'll encounter in leases, division orders, and royalty statements.
Your minerals, decoded — one issue a month. Clear, short, and useful. No spam.
From the Learn section
It's one of the best-paying jobs most people have never heard of. Nothing comes out of the ground until a landman has done their work first — title research, leasing, division orders, and right-of-way, all in a day's work.
Read article →One short email a month with plain-English explanations, tool updates, and things worth knowing if you own land or minerals.
Subscribe — it's freeEducational information only. Not legal, tax, or financial advice. Verify with a licensed professional.