Finance & Money
SWP Calculator: How Long Will Your Monthly Income Last?
₹20 lakh at 8% can pay ₹15,000 a month for 20 years and leave ₹10.18 lakh; at ₹20,000 it runs out in 13 years 9 months. Tables, tax and inflation.
10 min read
Finance & Money
EMI, SIP, tax, inflation and everyday money calculations.
Finance & Money
How to Calculate a 15% (or 18%) Tip in Your Head
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.
2 min read
Finance & Money
How to Calculate Sales Tax (Simple Formula + Calculator)
Learn how to calculate sales tax on any purchase — the formula, examples, and a free sales tax calculator for the total, tax and subtotal.
1 min read
Finance & Money
What Inflation Does to Your Savings: Real Returns Explained
At 6% inflation, ₹1 lakh in 10 years buys only what ₹55,839 buys now. Real returns, India's CPI (5.54% in Sept 2026) and savings vs FDs after tax.
7 min read
Finance & Money
Salary to Hourly Rate: How to Price Freelance Work in India
₹12 lakh a year at 40 hours a week is ₹577 an hour, but a freelancer needs about double. How to set an hourly rate, price projects and handle 44ADA and GST.
7 min read
Finance & Money
How Much Will Your SIP Grow? Formula, Tables and Step-Up SIP
₹5,000 a month at an assumed 12% grows to about ₹11.6 lakh in 10 years and ₹50 lakh in 20. The SIP formula, tables, step-up SIP, XIRR and tax.
8 min read
Finance & Money
How to Calculate GST: Add, Remove and Split CGST/SGST (2026)
Add GST by multiplying by 1.18 (at 18%), remove it by dividing by 1.18, and split it half CGST, half SGST. Formulas, 2026 rates and worked examples.
8 min read
Finance & Money
How to Calculate EMI and Save Lakhs With Loan Prepayment
The EMI formula with a worked ₹50 lakh home-loan example, and how a ₹5 lakh prepayment saves ₹14.57 lakh if you cut the tenure, or ₹4.78 lakh if you cut the EMI.
8 min read
Finance & Money
How to Make a Freelancer Invoice in India: GST, LUT and Format
What an Indian freelancer's invoice must show, when you need a GSTIN (₹20 lakh for services), invoice numbering rules, LUT for exports and UPI payments.
9 min read
Finance & Money
Currency Converter: How Exchange Rates Work (USD to INR and More)
The fairest exchange rate is the mid-market rate. Cards, banks and transfer apps add a markup and fees on top. How rates work and how to check any offer.
9 min read