Oil & Gas Calculators
Working Interest Calculator
Calculate weighted working interest and NRI
Input Values
Results
Section WI
8.5938%
Section NRI
6.4453%
Weighted WI
5.7578%
Weighted NRI
4.3184%
Royalty Calculator
Calculate royalty interest and weighted NRI
Input Values
Results
Section NRI
0.0195%
Weighted NRI
0.0195%
ORRI Calculator
Overriding Royalty Interest Calculator
Input Values
Results
Section WI
12.5000%
Section NRI
10.0000%
Weighted WI
12.5000%
Weighted NRI
10.0000%
Weighted Avg NRI
80.0000%
Retained Avg NRI
78.0000%
Doc Stamps Calculator
Calculate consideration from documentary stamps
Input Values
Results
Total Consideration
$3,705,000
Price per Acre
$50,034
Note: Stamp rates vary by state/county. Verify the applicable rate for your jurisdiction.
Net Acres Calculator (Minerals)
Calculate net acres and net royalty acres from mineral interest
Input Values
Results
Net Acres
1.8750
Net Royalty Acres
0.2344
Net Acres Calculator (WI)
Calculate net acres from working interest decimal
Input Values
Result
Net Acres
1.5200