Finance Tools
Estimate loans, calculate sales taxes, find profit margins, and calculate payment fees. Fast, accurate, and secure browser-based calculations.
All tools run 100% client-side in your browser. No uploads, no signup, no data selling.
GST Calculator
Free gst calculator tool to process your data instantly with privacy-friendly browser-based workflows.
EMI Calculator for Loans
Calculate monthly EMI, total interest, and repayment amount for home loans, car loans, and personal loans.
SIP Calculator India
Calculate estimated SIP returns and wealth growth for mutual fund investments online for free. Fast, 100% private client-side processing with zero file uploads and no registration required.
FD Calculator India
Calculate fixed deposit maturity amount and interest with quarterly compounding for Indian banks. Fast, 100% private client-side processing with zero file uploads and no registration required.
Salary Calculator India (CTC to In-Hand)
Calculate your monthly in-hand salary from annual CTC with PF, professional tax, and income tax deductions.
ROI Calculator
Calculate return on investment, net gain, and annualized ROI from your initial and final values. Free investment return calculator.
Profit Margin Calculator
Calculate your profit margin calculator instantly. Free browser-based calculator with detailed breakdowns.
Income Tax Calculator FY 2026-27
Calculate and compare your income tax under the Old vs New Tax Regimes for FY 2026-27 (AY 2027-28). Compare deductions, rebates, and slabs to find the optimal regime.
- Use loan calculators to check monthly EMI options and total interest payments over the tenure.
- Estimate profit margins, markup factors, and markup percentages before pricing your products.
- All calculations run locally. No financial parameters, revenue figures, or data points are sent to servers.
Are the financial results official?
No, treat all results as estimates. Always verify critical financial figures with your bank or accountant.
Does the GST calculator support custom rates?
Yes, you can choose pre-configured GST rates (5%, 12%, 18%, 28%) or input custom tax percentages.
Is this finance suite safe to use?
Absolutely. SopKit calculations are done client-side, making it highly secure for private business calculations.