The Nuts Weight Chart List is a comprehensive engineering reference designed to help manufacturers, fabricators, contractors, and procurement professionals accurately determine the weight of different types of nuts used in industrial applications. Nut weight calculation is critical for material estimation, bulk purchasing, logistics planning, and project cost control, especially in large-scale engineering and construction projects.
This detailed nuts weight chart categorizes nuts based on type, size, and applicable standards, covering both metric and imperial dimensions. It includes widely used nut variants such as hex nuts, hex lock nuts, square nuts, ASTM A194 heavy hex nuts, and Nylock nuts, with approximate weights expressed in kilograms per 100 numbers for easy reference.
Additionally, the chart provides guidance on how to interpret nut weight data correctly, helping users avoid miscalculations caused by variations in standards, geometry, and material density. By using this nuts weight calculator and chart together, users can confidently plan quantities, manage inventories, and ensure accurate weight estimation for their projects.
Nuts Weight Chart List
Approximate Weight in KGs for 100 Numbers
(As per IS, DIN, BS & ASTM Standards)
| Size (Metric) | Hex Nuts (IS) | Hex Lock Nuts | Square Nuts | ASTM A194 | Imperial Size | Hex Nuts BSW/BSF | Hex Lock Nuts | UNC Heavy Hex |
|---|---|---|---|---|---|---|---|---|
| M2 | 0.011 | – | – | – | 1/8″ | 0.041 | – | – |
| M3 | 0.033 | – | – | – | 5/32″ | 0.053 | – | – |
| M4 | 0.067 | – | – | – | 3/16″ | 0.133 | – | – |
| M5 | 0.111 | – | 0.080 | – | 1/4″ | 0.323 | 0.190 | 0.340 |
| M6 | 0.232 | – | 0.120 | – | 5/16″ | 0.510 | 0.340 | 0.654 |
| M8 | 0.482 | – | 0.300 | – | 7/16″ | 1.389 | 0.930 | 1.683 |
| M10 | 1.020 | 0.909 | 0.670 | 1.282 | 1/2″ | 2.222 | 1.430 | 2.677 |
| M12 | 1.590 | 1.389 | 1.090 | 1.942 | 5/8″ | 4.348 | 2.700 | 5.040 |
| M16 | 3.081 | 3.333 | 1.800 | 3.906 | 7/8″ | 8.621 | 5.600 | 10.917 |
| M20 | 6.031 | 6.667 | 3.300 | 7.519 | 1-1/8″ | 18.182 | 11.800 | 23.364 |
| M24 | 10.309 | 12.500 | 5.100 | 12.821 | 1-3/8″ | 37.879 | 23.000 | 44.248 |
| M30 | 21.645 | – | 10.400 | 26.596 | 1-5/8″ | 71.429 | – | 73.529 |
| M36 | 37.037 | – | 17.600 | 43.860 | 2″ | 81.967 | 54.000 | 135.135 |
| M48 | 92.593 | – | 42.800 | 113.636 | 3″ | 333.333 | – | 454.545 |
| M60 | 161.290 | – | – | 192.308 | – | – | – | – |
| M80 | 333.333 | – | – | – | – | – | – | – |
| M100 | 625.000 | – | – | – | – | – | – | – |
Nut Weight Calculator
For precise weight estimation based on size, quantity, and standard, please use our nut weight calculator:
Hex Bolts (FT)
Result
| Qty | Item | KG | LBS |
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History
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Nuts Types
Explore detailed specifications, materials, and standards for different nut types:
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