Free ERP Tools
ERP Calculators & Comparison Tools
5 free tools to help you estimate ERP implementation costs, compare vendors, and decide whether you need MES, ERP, or both.
All ERP Tools
Click any tool to get started — no sign-up required.
ERP Implementation Calculator
Estimate total ERP implementation costs including licensing, customisation, data migration, training, and 5-year TCO across 11 vendors.
Use ToolManufacturing ERP Calculator
Calculate ERP costs tailored to manufacturing with BOM depth, MES integration, plant count, and module-level costing for discrete and process industries.
Use ToolConstruction ERP Calculator
Estimate ERP costs for construction firms including job costing, subcontractor management, equipment tracking, and retainage handling.
Use ToolERP Comparison Tool
Compare Odoo, ERPNext, SAP Business One, NetSuite, and Dynamics 365 BC side by side based on your company size, industry, and requirements.
Use ToolMES vs ERP Selector
Determine whether your manufacturing operation needs MES first, ERP first, or both — with reasoning based on your shop-floor maturity and pain points.
Use ToolHow to Choose the Right ERP Tool
Cost Estimation
Use the implementation or industry-specific calculators to estimate licence, implementation, customisation, and 5-year TCO before engaging vendors.
Vendor Comparison
Compare open-source and commercial ERP platforms side by side based on your company size, budget, and must-have modules.
MES vs ERP Decision
Not sure whether you need shop-floor execution or enterprise planning first? The selector tool recommends the right starting point based on your symptoms.
Need Expert ERP Implementation?
Perimattic builds and customises ERP systems for manufacturing and construction. From ERPNext and Odoo to custom solutions, our team handles implementation end to end.
Need More Than a Calculator?
Talk to our ERP consultants about a detailed implementation roadmap with fixed-price quotes and timelines.