This Royalty Calculator will help you determine your Division Order Decimal Interest in a well or unit as a Royalty Owner. This calculator does not take any burdens (such as an NPRI) into account and should only be used to assist your thought process; it is not definitive. MineralRightsCalculator.com or it’s owners are not liable for the results of this calculation. If you are interested in receiving a more thorough explanation or examination in the leasing or selling of your mineral rights, fill out the form below and one of our advisors will reach out to you.