Free public preview
ORE GRADE × TONNAGE VALUE CALCULATOR
Run grade-tonnage scenarios to size the in-situ value of an ore body. Useful for exploration teams and small mines doing pre-feasibility numbers.
In-situ vs payable value
In-situ value uses 100 % recovery and 100 % payable — it's an upper bound. Payable value applies metallurgical recovery and the buyer's payable % to get a realistic number.
Cut-off grade
Tonnes above cut-off × average grade gives the mineable resource. MetalPulse lets you sweep cut-off to see the grade-tonnage curve.
Worked example
5 Mt at 0.6 % Cu → 30,000 t Cu in situ × $9,200 = $276 m in situ; at 85 % recovery × 96 % payable → $225 m payable
Frequently asked questions
What recovery should I use?
Use bench-scale test work if you have it; otherwise 85 % for sulphide copper flotation, 60–70 % for oxide leach, 90 % for gold CIL.