Free calculators for Indian manufacturers
These free online manufacturing calculators handle the day-to-day maths that fills a factory’s notebooks and spreadsheets — from pipe and metal weight for procurement, to pump and motor sizing on the design desk, to fabrication and production costing, profit margin, break-even and GST at the billing desk. Every tool runs instantly in your browser, needs no sign-up, and is tuned for Indian units and the rupee.
They’re built by the team behind OEMup, a complete manufacturing ERP for Indian SMEs. A calculator answers one line at a time; OEMup does the same maths automatically across every BOM, manufacturing order, quotation and invoice — so material weights, job costs, margins and GST are right on every document without re-keying. Start a free trial or book a demo to see it end to end.
Run the whole factory, not just one calculation
OEMup brings sales, production, inventory, costing, payroll & GST into one platform — built for Indian manufacturing SMEs.
Start Free Trial Get a Demo