Work out a 15%, 18% or 20% tip fast — the mental-math trick and a free tip calculator that also splits the bill between friends.
Learn how to calculate sales tax on any purchase — the formula, examples, and a free sales tax calculator for the total, tax and subtotal.
See how inflation erodes the value of money over time and how much you'll need to keep the same buying power — with a free inflation calculator.
Going freelance? Your old salary is not your hourly rate. How to convert it honestly — accounting for unpaid time, taxes and fees — with free calculators.
See how monthly SIP investments compound over 5, 10 and 20 years, what return rate to assume, and the power of starting early.
Add GST, extract GST from an inclusive price, and split CGST/SGST correctly — with the formulas and a free GST calculator.
How loan prepayment slashes your total interest, why early prepayments matter most, and a free EMI calculator to compare scenarios.
Everything a freelance invoice must include, GST tips for India, and how to generate a clean PDF invoice free — with payment QR included.
Why the USD-INR rate moves, the difference between the mid-market rate and what your bank gives you, and a free live currency converter.
Understand exactly what a loan will cost you — EMI, total interest and total repayment — in under a minute.
Fixed deposit safety or SIP growth? Real numbers over 5, 10 and 20 years, who each suits, and the hybrid approach most people should use.
Add GST to a base price, extract GST from a total, and split CGST/SGST correctly — explained with worked examples and a free calculator.