Formulas & How-To Guides

How to Calculate Compound Interest

Compound Interest Formula

How to Calculate BMI (Body Mass Index)

BMI Formula (Metric)

How to Calculate SIP Returns

SIP Future Value Formula

How to Calculate EMI (Equated Monthly Installment)

EMI Formula

How to Calculate Percentages

Basic Percentage Formula

How to Calculate Mortgage Payments

Mortgage Payment Formula

How to Calculate GST

GST Calculation Formula

How to Calculate ROI (Return on Investment)

ROI Formula

How to Calculate Fixed Deposit (FD) Returns

FD Maturity Amount Formula (Compound Interest)

How to Calculate PPF Maturity Amount

PPF Maturity Formula (for annual deposits)

How to Calculate In-Hand Salary from CTC

Take-Home Salary Formula

How to Calculate Gratuity

Gratuity Formula (under Gratuity Act)

How to Calculate Income Tax

Income Tax Formula

How to Calculate Your Retirement Corpus

Retirement Corpus Formula

How to Calculate TDS

TDS Calculation Formula

How to Calculate NPS Returns & Pension

NPS Corpus Formula (monthly contribution)

How to Calculate Inflation & Future Value of Money

Inflation Impact Formula

How to Calculate SWP (Systematic Withdrawal Plan)

SWP Remaining Balance Formula

How to Calculate XIRR (Extended Internal Rate of Return)

XIRR Formula

How to Calculate Mutual Fund Returns

CAGR Formula (Lump Sum Returns)

How to Calculate Sales Tax

Sales Tax Formula

How to Calculate Stock Average Price

Weighted Average Price Formula

How to Calculate Simple Interest

Simple Interest Formula

How to Calculate Profit and Loss

Profit Percentage Formula

How to Calculate the Area of a Circle

Area of Circle Formula

Pythagoras Theorem — How to Calculate

Pythagorean Theorem

Speed, Distance, and Time Formula

Speed Formula

How to Calculate Percentage Increase

Percentage Increase Formula

How to Calculate Discount Price

Discount Formula

How to Calculate Average (Mean)

Average (Mean) Formula

Loan-to-Value (LTV) Ratio Formula

LTV Ratio Formula

How to Calculate CAGR (Compound Annual Growth Rate)

CAGR Formula

How to Calculate the Area of a Triangle

Triangle Area (Base-Height)

How to Calculate the Volume of a Cylinder

Cylinder Volume Formula

How to Calculate Depreciation

Straight-Line Depreciation

Rule of 72 — How Long to Double Your Money

Rule of 72

How to Calculate Rectangle Perimeter

Rectangle Perimeter

How to Calculate Rectangle Area

Rectangle Area Formula

How to Calculate Sphere Volume

Sphere Volume Formula

Quadratic Formula — How to Solve Quadratic Equations

Quadratic Formula

Slope Formula — How to Calculate Slope

Slope Formula

Present Value Formula

Present Value Formula

Break-Even Point Formula

Break-Even Formula

Net Profit Margin Formula

Net Profit Margin

WACC — Weighted Average Cost of Capital

WACC Formula

Debt-to-Equity Ratio Formula

Debt-to-Equity Ratio

P/E Ratio — How to Calculate and Use It

P/E Ratio Formula

Return on Equity (ROE) Formula

Return on Equity

BMI Formula — How to Calculate Body Mass Index

BMI Formula (Metric)

Celsius to Fahrenheit Conversion Formula

Celsius to Fahrenheit

Standard Deviation Formula

Population Standard Deviation

Probability Formula

Basic Probability Formula

Markup Formula — Calculate Selling Price from Cost

Markup Percentage Formula

How to Calculate Tip

Tip Formula

Fuel Efficiency Formula — Calculate Your Car's Mileage

Mileage Formula (km/L)

How to Calculate Electricity Bill

Electricity Units Formula

EMI Formula — Complete Derivation & Examples

EMI Formula (Reducing Balance)

Net Present Value (NPV) Formula

Net Present Value Formula

WACC — Weighted Average Cost of Capital

WACC Formula

P/E Ratio — Price to Earnings Formula

Price-to-Earnings Ratio

Dividend Yield Formula

Dividend Yield Formula

Break-Even Point Formula

Break-Even Point Formula

Markup vs Margin — Business Pricing Formulas

Markup and Margin Formulas

IRR — Internal Rate of Return Formula

Internal Rate of Return Formula

Payback Period Formula

Simple Payback Period

Present Value Formula — Time Value of Money

Present Value Formula

Annuity Formula — Regular Payments

Present Value of Annuity

Straight-Line Depreciation Formula

Straight-Line Depreciation

Effective Interest Rate Formula

Effective Annual Rate

Debt-to-Equity Ratio Formula

Debt-to-Equity Ratio

Current Ratio Formula — Short-Term Liquidity

Current Ratio Formula

ROE — Return on Equity Formula

Return on Equity

EPS — Earnings Per Share Formula

Earnings Per Share

Working Capital Formula

Net Working Capital

CAPM — Capital Asset Pricing Model

Capital Asset Pricing Model

EMI Prepayment — How Much Can You Save?

Prepayment Interest Savings

Weighted Average Formula

Weighted Average

Tax-Equivalent Yield Formula

Tax-Equivalent Yield

Loan Amortization Formula

Amortization Components

GDP Formula — Measuring Economic Output

GDP (Expenditure Approach)