Insights & Guides

Health & Wellness

How to Calculate Your Pregnancy Due Date: EDD Methods Explained by Trimester

Your Estimated Due Date (EDD) can be calculated several ways — from your last menstrual period (LMP), from the date of conception, or from an early ultrasound. Each method has a different precision. This guide explains Naegele's Rule, LMP calculation, and what Indian doctors typically use.

Jul 04, 2026 4 min

Finance

EMI Calculator: How Indian Banks Calculate Your Monthly Loan Payment

Most Indians accept an EMI figure from their bank without questioning it. This guide explains exactly how Indian banks calculate EMI — the reducing balance method, how RBI repo rate changes flow through to your loan, and what you can do to pay off your home loan years early.

Jul 02, 2026 4 min

Finance

PPF vs SIP: Which Investment Grows More Over 15 Years? (2026 Analysis)

PPF gives guaranteed 7.1% tax-free returns. SIP in equity mutual funds has historically returned 12–14%. But which one actually puts more money in your pocket after 15 years, after accounting for taxes, inflation, and risk? We run the numbers.

Jun 30, 2026 4 min

Utility Tools

What Is My IP Address, and Why Does It Matter?

Every device on the internet has an IP address — a numeric label that routes traffic to and from you. Here is what your IP reveals, what it does not, and when you should actually care about it.

Jun 28, 2026 4 min

Finance

GST in India: Complete Rate Chart and How to Calculate GST for Your Business

GST has five rates — 0%, 5%, 12%, 18%, and 28% — but knowing which rate applies to your product or service can be genuinely confusing. This guide covers the full GST rate chart, CGST vs SGST split, HSN codes for common goods, and the exact formula Indian businesses use.

Jun 28, 2026 3 min

Utility Tools

IPv4 vs. IPv6: What Is the Difference, and Why Are We Switching?

IPv4 gave the internet about 4.3 billion addresses — and we ran out. IPv6 fixes that with a number so large it is hard to picture. Here is how the two standards actually differ.

Jun 27, 2026 4 min

Utility Tools

How to Test Your Internet Speed (and What the Numbers Actually Mean)

A speed test reports three numbers — download, upload, and ping — but most people only look at one. Here is how to read a speed test result and what to do if the numbers are disappointing.

Jun 26, 2026 4 min

Finance

Complete Guide to Mortgage Calculations

Understand the math behind monthly mortgage payments. Learn how to calculate Principal and Interest (P&I) manually, evaluate the costs of PMI, estimate escrow expenses, and discover strategies to save over $200,000 in lifetime interest.

Jun 25, 2026 10 min

Utility Tools

What Does Your Browser Reveal About You? Understanding Browser Fingerprinting

Your browser sends far more information to every website you visit than most people realize — from your operating system to your screen size. Here is what a User-Agent string exposes and why it matters for privacy.

Jun 25, 2026 4 min

Finance

What Is a Good Debt-to-Income Ratio? How to Calculate and Improve It

Your Debt-to-Income (DTI) ratio is the single most important number lenders look at when deciding whether to approve your loan — and at what interest rate. This guide explains the exact formula, what lenders consider a good DTI, and the fastest legal strategies to lower yours.

Jun 24, 2026 5 min

Utility Tools

Screen Resolution Explained: Pixels, Aspect Ratios, and DPI

HD, Full HD, 4K, Retina — display marketing terms pile up fast. Here is what screen resolution actually measures, how it relates to aspect ratio and DPI, and why the same resolution can look different on two screens.

Jun 24, 2026 3 min

Utility Tools

A Practical Guide to Barcode Types and When to Use Them

UPC, EAN, Code 128, QR — not all barcodes are interchangeable. This guide breaks down the most common barcode formats, what each one is built for, and how to pick the right one for your product or workflow.

Jun 23, 2026 4 min