Fastener Weight Calculator & Bolt Nut Rate Calculator

Calculate approximate bolt, stud, threaded rod, nut and washer weight, rate per piece or set, and total order weight. Supports metric and inch sizes, lock nuts, flat and square spring washers, and multiple order lines.



Approximate reference only. Actual fastener weights can vary by standard, tolerance, finish and manufacturer.

Bolt Weight Calculator for Metric and Inch Fasteners

Use this calculator to estimate bolt weight per piece, bolt set weight, total order weight and approximate value from your rate per kilogram. It supports metric sizes and common inch sizes, including mixed enquiries where an inch diameter is specified with a millimetre length.

Bolt Nut Rate Calculator

Select a bolt, stud or threaded rod and add the required nuts, plain or heavy washers, and flat-section or square-section spring washers. Enter the ₹/kg rate to calculate an approximate rate per piece or complete set. Multiple lines can be added to the same enquiry, with a different kg rate on every line.

Threaded Rod, Nut and Washer Weight Calculator

The threaded rod calculator includes standard 1 metre, 2 metre and 3 metre full-length rods as well as custom lengths. Separate nut and washer selections include standard hex nuts, lock/half nuts, heavy hex / 2H style nuts, plain washers, ASTM F436 heavy washers, and flat or square spring washers.

Order Weight Calculator for Shipping

Switch to Order Weight Only when you do not need pricing. Enter the fastener quantities for the full order and use the total kg or tonnes for freight, transport and packing planning.

Frequently Asked Questions

Can I calculate a bolt with nut and washers as one set?

Yes. Choose a standard preset or use Custom Set to select the number and type of nuts and washers.

Does the calculator support inch sizes?

Yes. Select Inch under Series. Bolt and stud length can also be entered in millimetres when required.

Can I add several different fasteners in one calculation?

Yes. Use Add Item to build a multi-line order and Copy Summary when you want to paste the result into WhatsApp, email or a quotation note.

Are the calculated weights exact?

They are approximate reference weights. Actual mass may vary according to standard, dimensional tolerance, coating, material and manufacturer.

Fastener Weight Charts

For quick reference tables, see our Bolt Weight Chart, Nut Weight Chart, Washer Weight Chart and Threaded Rod Weight Chart. Use this calculator when you need a different size or length, a complete set, several order lines, or a rate per kg calculation.