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CalcStack

Financial Guides

Learn how SIPs, mutual funds, income tax, loans, and savings instruments work in India โ€” with calculators to put theory into practice.

All Guides

Tax 9 min

CTC to In-Hand Salary โ€” How to Calculate Take-Home Pay

Learn how to calculate your in-hand salary from CTC. Understand all deductions like EPF, professional tax, and income tax under old and new tax regimes.

18 Mar 2026
Loans 7 min

How EMI Is Calculated โ€” The Formula Explained

Understand the EMI calculation formula with step-by-step examples. Learn how amortization works and how prepayment reduces your loan cost.

18 Mar 2026
Tax 8 min

Gratuity Calculation Rules in India โ€” Who Qualifies?

Understand gratuity calculation rules in India, eligibility criteria, formula for private and government sectors, and tax exemption under Section 10(10).

18 Mar 2026
Investing 8 min

How Much to Invest in SIP Based on Your Salary

Find out exactly how much to invest in SIP based on your salary. Salary-based SIP tables, rules of thumb, and goal-based planning.

18 Mar 2026
Tax 8 min

HRA Exemption Rules and Calculation โ€” Complete Guide

Learn how HRA exemption is calculated, the three conditions, metro vs non-metro rules, and how to claim maximum tax savings.

18 Mar 2026
Comparison 8 min

Lumpsum vs SIP โ€” When to Choose What

Compare lumpsum and SIP investing strategies using historical Indian market data, market timing analysis, and guidance on when each approach works best.

18 Mar 2026
Comparison 8 min

NPS Tier 1 vs Tier 2 โ€” Differences and Tax Benefits

Compare NPS Tier 1 and Tier 2 accounts โ€” lock-in rules, tax benefits under 80CCD, withdrawal options, and which one is right for your retirement plan.

18 Mar 2026
Tax 12 min

Old vs New Tax Regime โ€” Complete Guide with Calculator

Compare old and new tax regimes for FY 2025-26. See tax slabs, deductions, and which regime saves more tax based on your salary.

18 Mar 2026
Comparison 9 min

PPF vs NPS โ€” Which Should You Choose?

Compare PPF and NPS on returns, lock-in, tax benefits, risk, and withdrawal rules. Find out which retirement savings scheme suits you.

18 Mar 2026
Comparison 9 min

Home Loan Prepayment vs SIP โ€” What Should You Do?

Should you prepay your home loan or invest in SIP? A detailed mathematical comparison with tax implications and real-world scenarios for Indian earners.

18 Mar 2026
Tax 10 min

Section 80C Deductions โ€” Complete List for 2026

Complete list of Section 80C deductions for FY 2025-26. PPF, ELSS, EPF, NPS, NSC, and more โ€” save up to โ‚น46,800 in tax.

18 Mar 2026
Comparison 10 min

SIP vs FD: Which Is Better in 2026?

Compare SIP and Fixed Deposit on returns, risk, liquidity, and tax treatment. Find out which is better for your financial goals in 2026.

18 Mar 2026
Investing 7 min

SWP โ€” Create Monthly Income from Mutual Funds

Learn how SWP (Systematic Withdrawal Plan) works, its tax treatment, and how much corpus you need to generate a steady monthly income from investments.

18 Mar 2026
Investing 6 min

CAGR Explained โ€” How to Measure Real Investment Returns

Understand what CAGR is, how to calculate it, and why it is the single best metric to measure and compare investment returns over different time periods.

18 Mar 2026
Investing 8 min

What Is SIP and How Does It Work?

Learn what a Systematic Investment Plan (SIP) is, how it works, and why it's the smartest way to invest in mutual funds in India.

18 Mar 2026
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