Straight answers to the questions factories actually ask.

How to calculate conveyor belt weight (per m² and per metre)

Belt weight per m² = the sum of each layer’s thickness in mm × its density in g/cm³, which gives kg/m² directly. Multiply by the belt width in metres for kg per running metre, and by the length for the roll weight.

Rubber sheet weight calculation: formula and density table

Rubber sheet weight in kg = length (m) × width (m) × thickness (mm) × density (g/cm³). A 10 m × 1.2 m × 5 mm sheet at 1.5 g/cm³ weighs 90 kg.

How to calculate rubber compound cost per kg from a phr recipe

Compound cost per kg = Σ(phr × price per kg) ÷ Σ(phr), then divide by (1 − mixing loss). A 164.5 phr recipe costing ₹25,820 comes to ₹156.96/kg, or ₹159.35/kg after a 1.5% mixing loss.

How to price a manufactured product: cost-plus, floor price and rate lists

Price from real cost: material (with its wastage) + machine and labour time + overheads gives the cost. A floor price covers that cost and is never undercut, and trade and premium prices sit above it. A flat rate list breaks because setup cost does not scale with order size.

What is a job card in manufacturing? Contents and a sample

A job card is the written instruction for making one order on the shop floor: what to make, how much, which materials to weigh out, which machines in which order, and the space to record actual quantities, time, wastage and quality results.

GSTR-2B reconciliation: how to match purchase bills and protect your ITC

Download GSTR-2B from the GST portal, match each supplier invoice to your purchase register by GSTIN, invoice number and tax amount, then chase the gaps before filing GSTR-3B - input tax credit can only be claimed on invoices that appear in GSTR-2B.

How to calculate manufacturing wastage (and set a fair standard)

Wastage % = (material issued − material in good output) ÷ material issued × 100. Judge each job against a standard taken from your own clean past jobs: above it is over, below it is saved, near it is within.

How to calculate the cost of an assembled product (BOM costing)

Cost per piece = the sum of each part’s quantity × that part’s own rate, plus the consumables the kit swallows, plus assembly time × your factory hour rate. Bought parts enter at their purchase price and parts you make enter at their own computed cost.