# TMT Ring Manufacturing Cost Calculator

- Link: https://princebuildingmaterials.com/tmt-ring-manufacturing-cost-calculator/
- Published: 2026-10-31T15:49:30+00:00
- Author: admin

TMT PRO

# Ring Cost Calculator

Automatic Stirrup Machine Estimation Engine (SS1501)

 Quotation Prepared For

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 Ref: PRINCE-2024

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## Prince Building Materials • Machine Works

Live per-ring costing computed with TMT unit weight formula: `Weight (kg/m) = D²/
162`

   +91 9123 13 3593    info@princebuildingmaterials.com

###   1. Bar Dia & Ring Dimension

 Geometry

 TMT Bar Diameter (mm)

 Preset Ring Sizes (Inches)

 Width (Inches)

  in

 Length (Inches)

  in

 Hook & Bend Overlap Allowance 2.0 inch

Both end 135° standard hooks combined (~50mm)

###   2. Operating Costs & Shift

 8-Hr Shift

 TMT Steel Rate ₹ 60 / kg

 Production (Rings per 8h shift)

  rings

 Power Consumption

  kW/h

 Unit Tariff (₹/kWh)

  ₹/u

 Manpower / Shift (₹)

 Factory Rent / Shift (₹)

 Maintenance & Blade Consumables / Shift (₹)

 Per Ring Final Cost

 ₹ 9.26

Material + Overheads combined

 Ring Weight

 150 grams

Cutting: 762 mm (30.0")

 Total Shift Output

 ₹ 59,264

Steel: 960 kg / shift

###   Per Ring Cost Breakdown (7" x 7" - 6mm)

 1 Ring Basis

  |  Cost Component |  Basis / Formula |  Cost (Paisa) |  Cost (Rupees) |  
   |    Per Ring Material Cost  |  150g @ ₹60/kg |  900 p |  ₹ 9.00 |  
 |    Electricity Cost  |  32 kWh / 6,400 rings |  5.00 p |  ₹ 0.05 |  
 |    Manpower / Labor  |  ₹700 / 6,400 rings |  10.94 p |  ₹ 0.11 |  
 |    Rent & Premises  |  ₹300 / 6,400 rings |  4.69 p |  ₹ 0.05 |  
 |    Maintenance & Wear  |  ₹300 / 6,400 rings |  4.69 p |  ₹ 0.05 |  
   |  TOTAL COST PER RING |  925.3 p |  ₹ 9.26 |

 Expense Ratio Breakdown Raw Material: 97.2%

  Steel Raw Material  Electricity  Labor  Factory Rent & Maint.

###   Daily Production & Batch Summary (8-Hour Shift)

 6,400 Rings Batch

 Total Steel Consumption: 960.0 kg (0.96 Ton)

 Total Raw Material Expense: ₹ 57,600

 Total Length of Wire Cut: 4,876 meters

 Total Other Expenses: ₹ 1,664

 Effective Operational Overhead: 26.0 Paisa / ring

 Grand Total Daily Cost: ₹ 59,264

© Prince Building Materials • Machine Engineering Works • Model SS1501 Estimation
Tool

Unit conversions based on IS 1786 Indian Standard Specification for High Strength
Deformed Steel Bars for Concrete Reinforcement.

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