DRILL HOLE INTERVAL, RESIDUAL GRADE & DILUTION CALCULATOR

Built by Gabriel Gonzalez CFA, using VBA, Python and a Raspberry Pi running Debian Linux.
Additional development including live prices coming soon!
If you like the app, share it on LinkedIn or X (Twitter).

Metal:
Price:
Recovery, %:
Payability, %:

Paste Start, End, Up to 5 Grade (g/t, %) Values

Paste as space-delimited columns. For example:
Hole From 0m to 50m of 0.75g/t Au and 0.35% Cu
Incl. From 20m to 30m of 1.00g/t Au and 0.55% Cu
Incl. From 25m to 30m of 1.10g/t Au and 0.60% Cu
And From 45m to 50m of 1.20g/t Au and 0.50% Cu

0 50 0.75 0.35
20 30 1.00 0.55
25 30 1.10 0.60
45 50 1.20 0.50

(Hints: It's easiest to copy/paste data from Excel, or from press releases.
Omit widths from the input data. These are calculated for you.
Negative values may result from source rounding errors).


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1. Residual Grades


      
2. In-situ Metal Value ($/t)

      

      
3. NSR (Recovered, Payable) Metal Value ($/t)

      

      
      
    

    

      
Daily Metal Prices

      
    

  








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