Use APKPure App
Get Iron Weight old version APK for Android
आप विभिन्न आकार में लोहे का वजन की गणना कर सकते हैं।
You can calculate the weight of iron in various shapes.
Density of iron : 7.874g/cm3(from wikipedia)
https://en.wikipedia.org/wiki/Iron
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If you want to change the density value, download this application.
"Material Weight"
https://play.google.com/store/apps/details?id=br.material