Guides & Articles

Practical explainers to help you understand the numbers behind our tools.

September 5, 2026 · 6 min read

Calorie Needs Explained: BMR, TDEE, and Your Daily Calories

What BMR and TDEE mean, how your daily calorie need is estimated from your body and activity, and how to set a target for losing, maintaining, or gaining weight.

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September 4, 2026 · 6 min read

GST Explained: How India’s Goods and Services Tax Is Calculated

What GST is, the tax slabs, the difference between GST-inclusive and GST-exclusive prices, and how to add or extract GST from an amount with worked examples.

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September 3, 2026 · 6 min read

Ovulation and the Fertile Window, Explained

When ovulation happens, what the “fertile window” really means, and how to estimate your most fertile days from your cycle — plus the body signs that confirm it.

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September 2, 2026 · 5 min read

Gratuity Explained: How Your Gratuity Amount Is Calculated

What gratuity is, who is eligible, and the exact 15/26 formula used to calculate it — with a worked example and the tax-free limit.

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September 1, 2026 · 7 min read

NPS Explained: How the National Pension System Builds Your Retirement

What the National Pension System is, how your contributions are invested, the extra ₹50,000 tax deduction, and how the corpus and pension are worked out at retirement.

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August 31, 2026 · 6 min read

FD vs RD: Which Fixed-Income Option Should You Choose?

Fixed Deposit and Recurring Deposit both offer safe, fixed returns — but they suit very different situations. Here is how each works, how the interest differs, and how to decide.

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August 30, 2026 · 6 min read

Sukanya Samriddhi Yojana (SSY): A Simple Guide for Parents

How the Sukanya Samriddhi Yojana works for a girl child — the deposit and maturity rules, the tax benefits, and how the maturity amount is calculated.

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August 26, 2026 · 6 min read

CTC vs In-Hand Salary: Where Does Your Money Go?

Why your take-home pay is lower than your CTC, what PF, professional tax, and income tax deduct, and how to estimate your real monthly in-hand salary.

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August 16, 2026 · 5 min read

BMI Explained: What Your Number Means (and Indian Ranges)

What Body Mass Index actually measures, how to read your category, why Asian/Indian BMI cut-offs are lower, and the limits of BMI as a health measure.

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August 9, 2026 · 5 min read

The 75% Attendance Rule: How Many Classes Can You Miss?

How college attendance percentage is calculated, what the 75% requirement means, and a simple way to work out how many classes you can skip — or must attend — to stay eligible.

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August 2, 2026 · 6 min read

How Your Loan EMI Is Calculated (and What Changes It)

The formula behind your Equated Monthly Instalment, how principal, interest rate, and tenure affect it, and why a longer loan costs more even at the same rate.

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July 28, 2026 · 6 min read

SIP Explained: How Small Monthly Investments Grow So Much

How a Systematic Investment Plan (SIP) works, why compounding and rupee-cost averaging matter, and how modest monthly amounts can build a large corpus over time.

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July 22, 2026 · 7 min read

22K vs 24K Gold: Purity, Price, and Making Charges Explained

What 22K and 24K really mean, how gold purity affects value, how making charges and 3% GST are added, and how to check a jeweller’s bill so you don’t overpay.

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July 14, 2026 · 6 min read

New vs Old Tax Regime: Which One Saves You More?

A plain-English comparison of India’s new and old income-tax regimes — the rates, what deductions you keep or lose, and how to decide which leaves more money in your pocket.

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July 6, 2026 · 6 min read

PPF Explained: How Your Maturity Amount Is Calculated

A clear, example-led guide to how Public Provident Fund (PPF) interest and maturity are calculated, why it grows so much over 15 years, and how to get the most from it.

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