Makers & production
How many identical parts are in this container by weight?
Subtract empty container weight from filled weight, using zero net weight if tare exceeds gross. Convert the net to grams. Divide by the sample average grams per piece and round to the nearest piece. Use a representative sample of identical parts.
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Worked example
With the example inputs below, the calculator returns these results.
Estimated piece count 1,000
- Filled container weight
- 5 kg
- Empty container weight
- 1 kg
- Pieces in weighed sample
- 25 pieces
- Combined sample weight
- 100 g
Other results
- Sample weight per piece (g)
- 4
- Net weight of parts (g)
- 4,000
Use your own figures
Get a stock estimate without hand-counting the full container. Open the worksheet, replace the example values, then copy or print the result.
Small parts count by weight →