All Sheet Metal Calculators – Free Online Tools India 2026

Calculate GI (galvanised iron) sheet weight in kg — any SWG gauge, sheet size and quantity. Includes IS 277 Z275 data and price estimator.

Calculate mild steel (MS) sheet and plate weight in kg for any thickness and size. IS 2062 and IS 513 CR sheet data included with cost estimator.

Calculate aluminium sheet weight for any alloy, thickness and sheet size. Covers IS 737 alloys 1100, 3003, 5052 and 6061 with density 2.70 g/cm³.

Calculate SS 304, SS 316, SS 202 and SS 316L sheet weight in kg. IS 6911 data for all finishes — 2B, No.4, mirror, HR. Used for food, pharma, hospital.

Calculate copper sheet, strip and foil weight in kg. Density 8.96 g/cm³. Covers electrical bus bar strips, copper roofing sheets and winding coils.

Calculate brass sheet and strip weight in kg. Density 8.50 g/cm³. Covers IS 410 brass sheet grades for decorative, architectural and engineering use in India.

Calculate MS chequer (chequered diamond) plate weight for mezzanine floors, stair treads, walkways and equipment platforms. IS 3502 reference data included.

Weight calculator for pre-painted (PPGI) colour coated steel sheets. Covers 0.40–0.80 mm BMT range for Tata Durashine, JSW and JSPL products. IS 14246 data.

Calculate weight for any rectangular or circular steel plate — any size, any thickness, any metal. Supports MS, SS, aluminium, copper and brass plates with cost estimate.

Calculate pure zinc sheet and Zincalume / Galvalume sheet weight. Density 7.13 g/cm³. Useful for rainwater goods, decorative roofing and heritage building restoration.

Find how many sheets are in one tonne for any sheet metal — useful for procurement, freight planning and BOQ preparation. Covers all common sizes and gauges.

Calculate steel coil weight from OD, ID, width and thickness — or find coil length from weight. Useful for hot rolled, cold rolled and GI slit coil procurement.

Estimate material cost from weight × ₹/kg for any sheet metal. Add GST, freight and wastage to get a complete landed cost per m² for your project BOQ.

Calculate round pipe and square / rectangular tube weight per metre and total length. MS ERW, GI pipe IS 1239, SS pipe, aluminium tube — all covered.

Convert any gauge number to mm and inches — covers SWG, AWG, Standard Steel and GI Sheet systems. Reverse lookup: enter mm to find nearest gauge. Full reference tables.

Standard Wire Gauge (SWG / British Imperial Wire Gauge) to mm conversion table — all gauges 7 to 50 SWG with inches and inch fractions. The standard for Indian GI sheet.

American Wire Gauge to mm diameter and mm² cross-section converter. Full AWG table from 4/0 to 40 AWG with ampacity reference data for Indian electrical installations.

Convert millimetres to decimal inches and fractional inches — 1/64" to 1/2" fractions included. Ideal for reading mixed-unit engineering drawings and specifications.

Reference tables comparing ASTM (US), ISO, IS (India), BS (UK) and DIN (Germany) standard thickness designations for steel, aluminium and stainless steel sheet.

Side-by-side comparison of SWG, AWG and Standard Steel gauge numbers to mm — showing the difference at each gauge. Critical for avoiding procurement errors in India.

Calculate number of 8×3 ft corrugated GI sheets, total weight and material cost for any roof size. Pitch factor, overlap and wastage all included. IS 277 data.

Estimate PPGI trapezoidal roofing sheet count, weight and cost — covers 0.40–0.80 mm BMT range. Tata Durashine, JSW and JSPL product data. India 2026 prices.

Calculate wall cladding sheet area, weight and cost — deduct openings, apply wastage factor. Covers PPGI trapezoidal, GI corrugated, ACP and aluminium cladding types.

Calculate length and quantity of ridge caps, hip caps, barge boards and flashing strips for corrugated GI and PPGI roofing. Includes verge and eave trim lengths.

Calculate GI gutter length, downpipe count and sizes for any roof area and rainfall intensity — using IS 1729 eave gutter sizing method for Indian monsoon conditions.

Convert roof pitch between degrees, ratio (1:12), percentage and pitch factor for area calculation. Minimum pitch guidance for GI, PPGI, aluminium and standing seam roofing.

Calculate thermal expansion of metal roofing and cladding sheets for any temperature range — helps design expansion joint spacing and slotted fixing positions.

Calculate ISMC (Indian Standard Medium Weight Channel) weight per metre and total length. All sizes from ISMC 75 to ISMC 400 with IS 2062 reference data.

Calculate ISA (Indian Standard Angle) weight per metre and total length — equal and unequal angles from ISA 25×25×3 to ISA 200×200×25. IS 2062 data.

Plan sheet metal cutting and calculate material wastage — enter part sizes, quantity and sheet size to get yield percentage, offcut weight and optimum sheet quantity to order.

Estimate chequer plate area, weight and dead load for mezzanine floors, industrial walkways and equipment platforms. Includes structural load calculation in kN/m².

Calculate GI water tank sheet area, weight and capacity for any tank size. IS 8633 reference data. Also computes water weight on structure and recommended gauge for each size.

Calculate sheet metal bend allowance, bend deduction and flat blank length for press brake fabrication. Supports all common materials — MS, SS, aluminium, copper and brass.

Calculate GI sheet area, weight and material cost for rectangular HVAC ductwork — enter duct cross-section and total length. Covers 18–22 SWG GI per SMACNA and IS 655.

Calculate GI sheet weight and area for spiral round ductwork. Enter diameter and total run length. Covers 0.5–1.0 mm GI for supply air distribution in commercial buildings.

Select the correct GI sheet gauge for HVAC ductwork based on duct width and pressure class — per SMACNA standards and IS 655. Returns recommended gauge and stiffener spacing.

Estimate GI and SS sheet area for commercial kitchen exhaust canopies, hoods and extract ductwork. 18 SWG GI or 1.5 mm SS 304 with fire-rated duct specification.

Estimate GI cable tray length, weight and material cost for electrical installations — IS 12085 perforated, ladder and solid bottom trays. Z275 galvanised, 14–16 SWG data.

Calculate CR sheet weight for electrical panels, MCC cubicles and distribution boards. IS 513 CR2 1.6–2.0 mm data. Panel box estimator with fold allowance and wastage.

Convert AWG wire gauge to mm² cross-section and find the nearest IS 694 standard Indian conductor size. Includes current carrying capacity for PVC and XLPE insulated cables.

Calculate copper or GI earthing strip weight and electrode plate area for IS 3043 electrical earthing systems. Input strip size and run length to get weight and material cost.

Complete GI sheet weight reference table — all SWG gauges, all standard sheet sizes, kg/m², sheets per tonne and indicative 2026 India price. IS 277 Z275 data for quick reference.

Density values (g/cm³) for all common metals used in Indian construction and fabrication — MS, GI, stainless, aluminium, copper, brass, zinc, titanium and more.

Complete index of key BIS / IS standards for sheet metal in Indian construction — IS 277, IS 513, IS 2062, IS 3502, IS 14246, IS 6911, IS 737 and more with scope and year.

Indicative 2026 India market prices per kg for GI sheet, MS HR plate, CR sheet, aluminium, copper and stainless steel. Updated quarterly. Includes GST and freight notes.

IS 808 section properties for ISLB, ISMB, ISWB, ISMC, ISSC and ISA sections — area, Ix, Iy, Sx, Sy, weight per metre. Quick reference for Indian structural steel design.

Comprehensive guide to sheet metal in Indian construction — roofing, cladding, ductwork, structural, fire partitions, tanks and electrical. IS standards, material selection and cost data.

How to buy GI sheet in India — BIS certification, Z275 vs Z90, testing coating mass, verifying SWG thickness with a micrometer, and avoiding sub-standard supply from unregistered mills.

Sheet metal specification guide for Pre-Engineered Buildings (PEB) in India — roofing, wall cladding, gutters and accessories. PPGI selection, cover widths and fixing details.

Practical guide to all key BIS / IS standards for sheet metal in Indian construction — what each standard covers, how to specify correctly, and where to download from BIS portal.