Smart Financial & Business Tools for India
Free GST, EMI & utility calculators. Powerful billing, invoicing & POS for growing businesses.
Financial Tools
Need billing & inventory
Create GST invoices, manage stock, track sales and grow your business — all in one simple app.
Utility Tools
Age Calculator
Calculate your exact age instantly
Open → FREE Utility
Date Difference
Date Difference
Open → FREE Health
BMI Calculator
Check body mass index
Open → FREE Math
Percentage Calculator
Quick percentage calculations
Open → FREE Utility
Unit Converter
Convert kg, cm, litre & more
Open → FREE Finance
Number to Words
Convert ₹ amount into words
Open →Why Choose Dugga?
Built for Indian users, freelancers & small businesses
Multi-language Support
Use all tools in English, Hindi and Marathi for better accessibility.
100% Free Tools
No login required. Unlimited usage with fast and accurate results.
Made for India
GST-ready invoices, INR-based calculations and WhatsApp sharing.
Free Online Financial Calculators & Invoice Tools
Dugga.in is a free online platform offering a wide range of financial calculators and daily-use utility tools designed for Indian users. Our platform includes GST calculator, EMI calculator, SIP calculator, FD & RD calculator, loan eligibility checker, currency converter and more — all available in English, Hindi and Marathi.
Dugga.in is a free online platform offering a wide range of financial calculators and daily-use utility tools designed for Indian users. Our platform includes GST calculator, EMI calculator, SIP calculator, FD & RD calculator, loan eligibility checker, currency converter and more — all available in English, Hindi and Marathi.
Dugga.in is a free online platform offering a wide range of financial calculators and daily-use utility tools designed for Indian users. Our platform includes GST calculator, EMI calculator, SIP calculator, FD & RD calculator, loan eligibility checker, currency converter and more — all available in English, Hindi and Marathi.
Frequently Asked Questions
Is Dugga completely free?
Yes. All tools are free to use with no registration required.
Can I download invoices as PDF?
Yes, invoices and quotations can be downloaded and shared via WhatsApp.
Are currency rates live?
Rates are updated regularly using trusted exchange rate providers.