Smart Calculators — Free Online Utilities

GST tax calculator, EMI loan scheduler, profit margin, CAGR, ROI and percentage math.

GST Tax Calculator

Calculate net price, gross price, and GST amount for any tax rate slab.

Calculate monthly EMI, total interest payable, and total payment for personal or home loans.

Solve common percentage questions (X% of Y, percentage increase/decrease, X is what % of Y).

Calculate final price, savings amount, and double discounts for sales and shopping.

Calculate gross profit margin, markup percentage, cost price, and revenue instantly.

Calculate selling price and profit from cost price and desired markup percentage.

Calculate total return on investment percentage and annualized ROI for projects.

Calculate Compound Annual Growth Rate over multi-year investment horizons.

Determine units and sales revenue needed to cover fixed and variable costs.

Estimate monthly take-home in-hand salary from annual CTC package.

Calculate exact age in years, months, days, and countdown to your next birthday.

Calculate exact elapsed days, weeks, months, and working days between two dates.

Calculate GST amounts instantly with standard 5%, 12%, 18%, and 28% tax slabs. Supports inclusive and exclusive GST.