Finance & Investment Growth Calculators
Calculate compound interest, CAGR, loan EMIs, and discounted cash flows with exact worked steps.
Available Calculators
ROI Calculator
Calculate return on investment and annualized ROI from your costs and final value. Free, with the formula and examples.
CAGR Calculator
Find the compound annual growth rate between two values, with the Excel formula, a yearly table and a worked example.
Compound Interest Calculator
See how savings grow with monthly contributions and different compounding. Yearly table and CSV download included.
Loan EMI Calculator
Calculate your monthly loan payment, total interest and a full amortization schedule. Test extra payments to save interest.
NPV and IRR Calculator
Enter cash flows to get net present value, internal rate of return and discounted payback. Includes the Excel NPV trap explained.
Topic Guides & Frameworks
CAGR vs Average Return: Why Simple Averages Lie About Investment Growth
Discover why arithmetic average returns hide volatility while CAGR reveals true compounding growth. Real examples, formulas, and Excel guides.
Compound Interest Explained: The Math, Frequencies & Real Examples
See how compound interest accelerates wealth over time. Compare monthly vs annual compounding with exact numerical examples and formulas.
How Loan EMI Is Calculated: The Math, Formula & Amortization Mechanics
Step-by-step guide to calculating loan EMIs. See how interest and principal shift across the amortization schedule and how prepayments save cash.
NPV vs IRR for Capital Budgeting: Key Differences & When They Conflict
Learn how Net Present Value and Internal Rate of Return evaluate capital investments. Discover why NPV wins when project sizes or timing conflict.