Fastener weight calculator.

Weight decides freight, packing and often price. Pick the product, size, length and material to get the weight per piece, per 1,000 pieces and for your quantity, calculated from the nominal dimensions of the standard.

Reviewed 11 Nov 2026 · Based on ISO 4014:2022, ISO 4017:2022, ISO 4032:2023; DIN 931, DIN 933, DIN 934 (withdrawn, still widely ordered); ISO 7089:2000 Plain washers — Normal series; ISO 724 (pitch diameter) · Report an error

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52.9kg in total
Per piece
52.9 g
Per 1,000 pieces
52.9 kg
Density used
7.85 g/cm³

Calculated from nominal dimensions (threads at pitch diameter, corner chamfers ignored). Expect real parts within about ±10%; finishes such as hot-dip galvanizing add weight.

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Threaded rod, steel, kg per metre (calculated)
Sizekg per metrekg per 1 m rod × 1,000kg per 3 m rod
M60.1771770.53
M80.3193190.96
M100.5025021.51
M120.7287282.18
M140.9959952.98
M161.3321,3324.00
M202.0822,0826.25
M242.9982,9988.99
M304.7404,74014.22
M366.8796,87920.64
Source: Calculated: steel 7.85 g/cm³, cross-section at the ISO 724 pitch diameter. Estimate, about ±5%.
Nuts and washers, steel, kg per 1,000 pieces (calculated)
SizeNut ISO 4032Nut DIN 934Washer ISO 7089
M30.390.390.12
M40.820.820.31
M51.461.250.44
M62.622.521.02
M85.655.401.83
M1010.4011.703.57
M1215.9317.276.27
M1425.6425.258.62
M1638.2333.5811.30
M2072.6664.5817.16
M22102.8079.2318.35
M24124.97110.4432.33
M27179.90166.2942.32
M30246.92231.4953.64
M36424.27396.9092.08
Source: Calculated from ISO 4032, DIN 934 and ISO 7089 nominal dimensions, steel 7.85 g/cm³; nut bore at pitch diameter, chamfers ignored. Estimate, about ±10%.

Reference values, not a design.

Values are the nominal figures of the cited standards, or calculated from them where marked. The governing standard and your drawing always take precedence.

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Questions buyers ask.

How much does M12 threaded rod weigh per metre?

Steel M12 threaded rod weighs about 0.73 kg per metre, calculated at the thread's pitch diameter with steel at 7.85 g/cm³. Stainless steel is about 1% heavier; hot-dip galvanizing adds a little more.

How is fastener weight calculated?

Volume from the nominal dimensions of the standard (head, shank and thread at pitch diameter), multiplied by the material density. Real parts vary with tolerances, chamfers and coatings, so treat results as estimates within about ±10%.

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