Percentage Calculator
Calculate percentages and proportions easily.
Reverse Percentage
Find out what percentage one value is of another.
Results
Percentage Amount
25.00
Equivalent Fraction
1/4
Value 1 is what percentage of Value 2
25.00%
Compound Interest Calculator
Calculate compound interest on your investments.
Results
Total Amount
₹0.00
Interest Earned
₹0.00
Growth Over Time
Investment Breakdown
EMI Calculator
Calculate Equated Monthly Installment (EMI) for loans.
Results
Monthly Payment (EMI)
₹0.00
Total Payment
₹0.00
Total Interest Payment
₹0.00
Payment Breakdown
Amortization Schedule
Age Calculator
Calculate the exact age between two dates.
Results
Age
0 years
0 months
0 days
Total Age in Different Units
0 months
0 days
0 hours
Advance Calculator – Simplify Your Business Calculations
Welcome to the Advance Calculator page by JustInvoice.in – your one-stop destination for fast, accurate, and user-friendly business calculations. Whether you’re a small business owner, freelancer, or enterprise professional, our set of four powerful calculators will help you make informed financial decisions in seconds.
We understand how time-consuming and error-prone manual calculations can be, especially when dealing with clients, invoices, or GST. That’s why we’ve created a suite of advanced calculators that are easy to use, lightning fast, and 100% accurate.
🔢 What Is the Advance Calculator?
The Advance Calculator is a collection of smart tools designed to help users calculate key financial figures quickly. It’s built to assist with everyday business tasks, including payment advance calculations, percentage deductions, GST-inclusive prices, and more.
The goal is simple: Make business math easier for everyone.
💡 Why Use JustInvoice’s Advance Calculator?
At JustInvoice, we believe in helping businesses save time and effort. Here’s what makes our calculator tools different:
✅ Fast & Accurate – Get instant results you can trust
✅ 100% Free to Use – No hidden charges or subscription
✅ Mobile-Friendly – Access on any device, anytime
✅ No Sign-Up Required – Start calculating immediately
✅ Business-Ready – Perfect for freelancers, vendors, accountants, and business owners
Whether you’re making a quotation or issuing a partial invoice, these calculators give you clarity and confidence.
🧮 Available Calculators on This Page
On our Advance Calculator page, you’ll find four easy-to-use tools:
1. Advance Payment Calculator
Need to collect a part of the total amount as advance?
This calculator helps you instantly figure out how much 10%, 20%, or any custom percentage of the total invoice amount will be. Useful for service-based businesses and project-based billing.
➡️ Example: Calculate 30% advance on ₹15,000 in just one click!
2. Percentage Calculator
This tool helps you calculate percentages easily – whether it’s discounts, profit margins, or tax deductions.
➡️ Example: Want to know what 18% GST on ₹2,500 is? This calculator shows the result instantly.
3. GST Calculator
Struggling with inclusive or exclusive GST amounts? Our GST Calculator handles it all.
- Add GST to base price
- Remove GST from total amount
- Supports all major GST rates (5%, 12%, 18%, 28%)
➡️ Ideal for traders, wholesalers, or anyone working with tax invoices.
4. Discount Calculator
Offer a discount to your customer? This calculator lets you figure out the final payable amount after applying a flat or percentage discount.
➡️ Enter the original amount and discount percent, and the tool does the rest.
💼 Who Can Use This?
The Advance Calculator is perfect for:
- Freelancers & Consultants
- Small Business Owners & Retailers
- Service Providers & Agencies
- E-commerce Sellers
- Accountants & Bookkeepers
Whether you’re sending estimates, invoices, or collecting advance payments, this tool is built to make your work easier.
🔐 Privacy and Safety
We do not store or share any data you input in the calculators. Your calculations are processed instantly and securely on your device, ensuring complete privacy and safety.
🚀 Start Calculating Now
No logins, no downloads – just visit https://justinvoice.in/advance-calculator/ and begin calculating in seconds.
✅ Save time
✅ Avoid manual errors
✅ Improve your workflow
At JustInvoice, we’re committed to making billing and business management simple, fast, and accessible.
Need more tools?
We’re continuously improving and adding new calculators based on user feedback. If there’s a specific calculator you want, contact us here and let us know.