Free Manufacturing Tools & Calculators
25+ free online calculators designed for Indian manufacturing MSMEs. From GST and EMI to BOM costing and OEE tracking – all tools run instantly in your browser. No login required.
Finance & Tax
Essential financial calculators for MSME accounting and compliance
GST Calculator
Compute GST breakdown on sales and purchases instantly. Ensure invoice compliance.
Loan EMI Calculator
Estimate monthly EMI for business or machinery loans. Plan your cash flows.
Profit Margin Calculator
Calculate gross/net profit margins from cost and selling price.
Break-even Calculator
Determine units or revenue needed to cover costs. Perfect for pricing decisions.
ROI Calculator
Compute return on investment for equipment or projects. Compare alternatives.
Depreciation Calculator
Calculate annual depreciation (SLM/WDV) for plant and machinery.
Discount Calculator
Apply percentage discounts and compute final prices instantly.
VAT/Sales Tax Calculator
Calculate VAT or sales tax on transactions quickly.
Invoice Generator
Create professional GST-compliant invoices instantly. No login required, 100% offline.
Production & Inventory
Optimize manufacturing operations and inventory management
BOM Cost Estimator
Sum up material costs for your Bill of Materials. Quick product costing.
Metal Weight Calculator
Compute weight of metal stock from dimensions and material density.
Reorder Point Calculator
Determine optimal inventory reorder levels to avoid stockouts.
EOQ Calculator
Calculate Economic Order Quantity to minimize inventory costs.
OEE Calculator
Measure Overall Equipment Effectiveness. Track production efficiency.
Machine Downtime Calculator
Compute percentage of scheduled time machines were idle.
Compliance & HR
Payroll and statutory compliance calculators for Indian MSMEs
Salary Calculator
Break down CTC into net take-home pay after deductions (tax, PF, etc.).
PF & ESI Calculator
Compute Provident Fund and ESI contributions based on salary.
Gratuity Calculator
Estimate gratuity payable based on salary and years of service.
TDS Calculator
Calculate tax deducted at source on payments.
Miscellaneous
General-purpose tools for everyday manufacturing tasks
Unit Converter
Convert between units of length, area, volume, weight, and more.
Currency Converter
Quickly convert between currencies using exchange rates.
Downtime Cost Calculator
Translate machine downtime into rupee cost estimates.
Unit Price Calculator
Calculate per-piece costs or total costs from unit prices.
Work-Time Calculator
Compute total work hours with breaks and overtime rates.
Need More Than Just Calculators?
Karygar brings all these tools together in one powerful platform, plus complete production tracking, inventory management, and business insights.
Explore KarygarManufacturing Intelligence
Transform your shop floor data into actionable insights. Get instant answers to critical business questions with AI-powered intelligence.
Smart Insights
Ask questions in plain language and get instant answers from your data
Real-time Analysis
Monitor production metrics and identify bottlenecks instantly
Predictive Alerts
Get proactive notifications about potential issues before they impact you