Dilution and Ore Loss Quick Calculator
Estimate dilution and ore loss from planned width, mined width, and boundary split error.
This quick calculator is for underground mining, short-term planners, and engineers who need a fast first check. It stays width-based instead of trying to solve a full optimization problem.
Compare planned width, mined width, and boundary split in one view
Supports m / ft / cm / mm / in
Accepts both decimal points and decimal commas
browser calculations
How to use
- Enter the planned width.
- Use mined width for a simple check, or turn on boundary split mode when you want overbreak and underbreak shown separately.
- તમારી ટીમ પહોળાઈ અને ટકાવારી જે રીતે રિપોર્ટ કરે છે તે મુજબ એકમ અને દશાંશ સેટિંગ્સ પસંદ કરો.
- હસ્તાંતરણ કરવાની જરૂર હોય ત્યારે પરિણામ કૉપિ કરો અથવા વર્તમાન સ્થિતિ URL દ્વારા શેર કરો.
Examples
P=3.00 m, A=3.30 m
આઉટપુટ
Dilution 9.09%, ore loss 0.00%, ore recovery 100.00%
Boundary split example
P=3.00 m, A=3.10 m, O=0.20 m, U=0.10 m
આઉટપુટ
Dilution 6.45%, ore loss 3.33%, mismatch 0.00 m
Imperial example
P=10 ft, A=10.5 ft
આઉટપુટ
Dilution 4.76%, ore loss 0.00%, ore recovery 100.00%
Glossary
Dilution
The share of waste or unwanted material mixed into the mined width.
Ore loss
The share of ore that should have been mined but was left behind.
Overbreak
The extra width taken on the waste side beyond the plan.
Underbreak
The missing width on the ore side when the face is not opened as planned.
Boundary split
A way of separating overbreak and underbreak so the field check is easier to read.
Formulas
Simple mode: delta = A - PSimple mode: dilution = max(0, A - P) / A × 100Simple mode: ore loss = max(0, P - A) / P × 100Boundary mode: ore recovered = max(0, P - U)Boundary mode: waste included = max(0, O)Boundary mode: dilution = waste included / (ore recovered + waste included) × 100Boundary mode: ore loss = min(100, U / P × 100)
FAQ
When should I use boundary split mode?
Use it when you can separate overbreak and underbreak. If you only know mined width, simple mode is enough.
What if actual width and the boundary split do not match?
The tool shows a mismatch warning and keeps the cross-check visible. Recheck the split or the measurement.
Can I enter decimal commas?
હા. multiple input rows અને scenarios support થાય છે.
Can ore recovery go below 0%?
ના. બધું browserમાં જ રહે છે.
Is this a substitute for reconciliation or planning software?
No. It is a first-pass calculator for quick checks, not a full reconciliation or optimization tool.
Notes
- This is a width-based quick check. It does not replace block models, detailed stope design, or reconciliation workflows.
- Enter all widths in the same unit before comparing them.
- If underbreak exceeds the planned width, ore recovery is clamped to 0% and a warning is shown.
- Share URLમાં inputs શામેલ થઈ શકે છે.