{"id":1687,"date":"2026-10-30T12:45:40","date_gmt":"2026-10-30T12:45:40","guid":{"rendered":"https:\/\/ssitmt.in\/blogs\/?p=1687"},"modified":"2026-10-30T12:47:28","modified_gmt":"2026-10-30T12:47:28","slug":"12mm-tmt-bar-weight-price-guide","status":"publish","type":"post","link":"https:\/\/ssitmt.in\/blogs\/12mm-tmt-bar-weight-price-guide\/","title":{"rendered":"12mm TMT Bar Weight, Price, Uses, and Size Guide (2026)"},"content":{"rendered":"\t\t
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\u201cWhether you are estimating steel for a house or planning a larger construction project, knowing the weight, price and applications of 12mm TMT bars can make material planning easier.\u201d<\/b><\/p>

Before placing an order, it is important to understand how much a 12mm TMT bar weighs, how many bars are available in a ton and how its price is calculated. These details can help homeowners, contractors and builders estimate steel requirements more accurately.<\/span><\/p>

12mm TMT bars<\/b> are commonly used in reinforced concrete construction and may be specified for slabs, beams, columns, staircases and other structural elements based on the project design.<\/span><\/p>

This guide explains <\/span>12mm TMT bar weight, size, dimensions, bars per ton, price, uses, grades and important factors to consider before buying<\/b>.<\/span><\/p>

\"12mm<\/p>

What Is a 12mm TMT Bar?<\/b><\/h2>

A 12mm TMT bar is a Thermo-Mechanically Treated reinforcement bar with a nominal diameter of 12 mm. During manufacturing, the hot-rolled bar is rapidly cooled with water, then allowed to self-temper. This gives it a hard outer layer and a tougher, more ductile core.<\/span><\/p>

The ribs rolled onto the surface help the bar grip the concrete, so the two materials work together under load.<\/span><\/p>

Within the usual size range of <\/span>8mm to 25mm, the 12mm ba<\/strong>r<\/strong><\/span><\/a> is a mid-range size. It is thick enough to act as main reinforcement in many slabs and beams, yet light enough to cut and bend easily on site. That balance explains its popularity in houses, small apartments and light commercial buildings.<\/span><\/p>

\"What<\/p>

12mm TMT Bar Weight Per Meter<\/b><\/h2>

A 12mm TMT bar weighs approximately 0.888 kg per meter.<\/span><\/p>

At the standard length of 12 meters, one bar weighs about 10.66 kg. That is roughly 44% more than a 10mm bar of the same length (7.40 kg), because weight rises with the square of the diameter.<\/span><\/p>

IS 1786 allows a permitted variation in mass, so real bars can be slightly heavier or lighter than the theoretical figure. Check the supplier’s weighment and invoice.<\/span><\/p>

Also Read <\/span>\u00a0Complete Weight Guide\u00a0<\/strong><\/span><\/a><\/p>

12mm TMT Bar Weight Chart<\/b><\/h2>

Bar Length<\/b><\/p><\/td>

Approx. Weight (kg)<\/b><\/p><\/td><\/tr>

1 meter<\/span><\/p><\/td>

0.888<\/span><\/p><\/td><\/tr>

3 meters<\/span><\/p><\/td>

2.66<\/span><\/p><\/td><\/tr>

6 meters<\/span><\/p><\/td>

5.33<\/span><\/p><\/td><\/tr>

9 meters<\/span><\/p><\/td>

7.99<\/span><\/p><\/td><\/tr>

12 meters<\/span><\/p><\/td>

10.66<\/span><\/p><\/td><\/tr><\/tbody><\/table>

Most dealers stock 12 m lengths. Shorter lengths are usually cut from these or supplied in special order.<\/span><\/p>

12mm TMT Bar Weight Per Piece<\/b><\/h2>

Because the bar is sold mostly as 12 m pieces, weight per piece helps you convert quickly between a bar count and a billing weight.<\/span><\/p>

Number of 12 m Bars<\/b><\/p><\/td>

Approx. Total Weight (kg)<\/b><\/p><\/td><\/tr>

1<\/span><\/p><\/td>

10.66<\/span><\/p><\/td><\/tr>

10<\/span><\/p><\/td>

106.6<\/span><\/p><\/td><\/tr>

50<\/span><\/p><\/td>

533<\/span><\/p><\/td><\/tr>

100<\/span><\/p><\/td>

1,066<\/span><\/p><\/td><\/tr><\/tbody><\/table>

For a cut length, multiply the length in meters by 0.888. For example, a 4.5 m piece weighs about 4.0 kg.<\/span><\/p>

\"12mm<\/p>

How to Calculate 12mm TMT Bar Weight?<\/b><\/h2>

The standard formula for ribbed steel bars is:<\/span><\/p>

Weight per meter (kg) = D\u00b2 \u00f7 162<\/b><\/p>

where D is the nominal diameter in mm.<\/span><\/p>

Step by step for 12mm:<\/span><\/p>

  1. Square the diameter: 12 \u00d7 12 = 144<\/span><\/li>
  2. Divide by 162: 144 \u00f7 162 = 0.888 kg per meter<\/span><\/li>
  3. Multiply by length: 0.888 \u00d7 12 = 10.66 kg<\/span><\/li><\/ol>

    The 162 comes from the density of steel (about 7,850 kg\/m\u00b3) combined with the circular cross-section. It gives a theoretical weight. Use it for estimates, and use the actual weighment for billing.<\/span><\/p>

    How Many 12mm TMT Bars Are There in One Ton?<\/b><\/h2>

    Divide 1,000 kg by the weight of one bar:<\/span><\/p>

    Bar Length<\/b><\/p><\/td>

    Approx. Bars per Ton<\/b><\/p><\/td><\/tr>

    12 meters (10.66 kg)<\/span><\/p><\/td>

    about 94 bars<\/span><\/p><\/td><\/tr>

    9 meters (7.99 kg)<\/span><\/p><\/td>

    about 125 bars<\/span><\/p><\/td><\/tr>

    6 meters (5.33 kg)<\/span><\/p><\/td>

    about 188 bars<\/span><\/p><\/td><\/tr><\/tbody><\/table>

    In running length, one ton of 12mm bar gives about 1,126 meters of steel.<\/span><\/p>

    Treat these as planning figures. The real count shifts with mass tolerance.<\/span><\/p>

    12mm TMT Bar Size and Dimensions<\/b><\/h2>

    Specification<\/b><\/p><\/td>

    Detail<\/b><\/p><\/td><\/tr>

    Nominal diameter<\/span><\/p><\/td>

    12 mm<\/span><\/p><\/td><\/tr>

    Approx. cross-sectional area<\/span><\/p><\/td>

    113.1 mm\u00b2<\/span><\/p><\/td><\/tr>

    Approx. weight per meter<\/span><\/p><\/td>

    0.888 kg<\/span><\/p><\/td><\/tr>

    Standard bar length<\/span><\/p><\/td>

    12 m (commonly)<\/span><\/p><\/td><\/tr>

    Surface<\/span><\/p><\/td>

    Ribbed \/ deformed<\/span><\/p><\/td><\/tr>

    Applicable standard<\/span><\/p><\/td>

    IS 1786<\/span><\/p><\/td><\/tr><\/tbody><\/table>

    Cross-sectional area matters to designers because it determines how much tensile force the bar can carry. One 12mm bar has about 2.25 times the area of one 8mm bar.<\/span><\/p>

    \"12mm<\/p>

    12mm TMT Bar Price in India (2026)<\/b><\/h2>

    TMT prices are quoted per kg or per ton and move with raw material costs, city, brand and demand. A fixed price printed in a blog goes out of date quickly, so get a written quotation before ordering.<\/span><\/p>

    As an indicative guide, 2026 market rates have mostly been around <\/span>\u20b960\u2013\u20b972 per kg<\/b> (roughly \u20b960,000\u2013\u20b972,000 per ton). Premium brands typically price higher than secondary mills.<\/span><\/p>

    To convert a rate into a cost per bar:<\/span><\/p>

    Cost = Weight \u00d7 Rate per kg<\/b><\/p>

    The table below uses indicative rates for a 12 m bar of 10.66 kg. They are not live market prices.<\/span><\/p>

    Rate (\u20b9\/kg)<\/b><\/p><\/td>

    Cost of One 12 m Bar (approx.)<\/b><\/p><\/td>

    Cost of 1 Ton<\/b><\/p><\/td><\/tr>

    \u20b960<\/span><\/p><\/td>

    \u20b9640<\/span><\/p><\/td>

    \u20b960,000<\/span><\/p><\/td><\/tr>

    \u20b965<\/span><\/p><\/td>

    \u20b9693<\/span><\/p><\/td>

    \u20b965,000<\/span><\/p><\/td><\/tr>

    \u20b970<\/span><\/p><\/td>

    \u20b9746<\/span><\/p><\/td>

    \u20b970,000<\/span><\/p><\/td><\/tr>

    \u20b972<\/span><\/p><\/td>

    \u20b9768<\/span><\/p><\/td>

    \u20b972,000<\/span><\/p><\/td><\/tr><\/tbody><\/table>

    A \u20b95 change in the per-kg rate changes the cost of one 12 m bar by roughly \u20b953, and the cost of a ton by \u20b95,000. For large orders, this is why comparing rates matters.<\/span><\/p>

    Factors Affecting 12mm TMT Bar Price<\/b><\/h2>