Strip Ratio Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter the waste removed and the ore mined (same units).
- Press Calculate.
- Read the strip ratio.
How it works
Strip ratio = waste ÷ ore. A 3:1 ratio means three units of waste are moved per unit of ore.
Worked example
30,000 waste, 10,000 ore. Strip ratio 3:1.
Frequently asked questions
Tonnes or BCM?
Either — just use the same unit for waste and ore. Tonne-based and volume-based ratios both appear in mine planning.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.