Cost of Equity Calculator India (2026) – CAPM Valuation Tool

Calculate Cost of Equity using CAPM to determine the required rate of return for any stock or business venture in India.

Calculate the minimum return required by equity holders using the Capital Asset Pricing Model (CAPM). Determine hurdle rates for business projects and stock valuations in 2026.

About | Formula | Example | FAQs

Valuation Inputs

Equity Risk Premium

5.00%

Stock Risk Premium

5.50%

Valuation Result Analysis

Required Cost of Equity (Re)

12.50%

Model Used

CAPM

Risk-Free Portion Risk Premium Portion
Rf: 7.00%
Premium: 5.50%

Valuation Insight

  • ✅ Standard Hurdle Rate measure
  • 📊 Sensitive to Market Volatility
  • ⚖️ Critical for DCF Valuation
  • 📈 High Beta = Higher Cost

Leverage Sensitivity Matrix

How your Cost of Equity changes across different stock risk profiles (Beta).

Stock Beta (β) Risk Premium Cost of Equity Classification

"This calculator follows standard CAPM (Capital Asset Pricing Model) methodology used by equity research analysts."

How is Cost of Equity Calculated?

Re = Rf + β × (Rm - Rf)

Re: Cost of Equity (Required Return).

Rf: Risk-Free Rate (e.g. 10Y Govt Bond Yield).

β: Stock Beta (Sensitivity to market).

Rm - Rf: Equity Risk Premium.

Total Hurdle: Used in WACC for corporate finance.

Example Valuation Case

An Indian blue-chip company in 2026 has a Beta of 1.2. The current G-Sec rate is 7% and the Nifty 50 expected return is 12%:
  • Risk Premium: 12% - 7% = 5%
  • Calculation: 7% + [1.2 × 5%]
  • Cost of Equity: 13.00%

What is the Cost of Equity?

The Cost of Equity is the return that a company must provide to its shareholders in exchange for the risk they undertake by investing in its stock. It is a fundamental concept in corporate finance and business valuation. While debt has a clear interest rate (calculate it with our Cost of Debt Tool), equity has an "opportunity cost."

In 2026, as Indian financial markets mature, using a Cost of Equity Calculator is essential for both CFOs and retail investors. It serves as the core discount rate for calculating the **Intrinsic Value** of a stock. Compare this with annualized historical returns using our CAGR or XIRR tools.

The components of CAPM

Our tool uses the **Capital Asset Pricing Model (CAPM)**, which is the globally accepted standard for determining equity costs. It consists of three primary building blocks:

  • Risk-Free Rate (Rf): The return with zero risk. In India, the yield on the 10-year G-Sec is the standard Rf.
  • Beta (β): Measures volatility relative to the market. Check your stock's sensitivity with our Beta Tool.
  • Market Return (Rm): Average expected return from the overall market (e.g., Nifty 50). This is often compared against SIP benchmarks.

Beta-Based Equity Cost Comparison

Sector Profile Typical Beta Typical Cost (Re)
Utilities / FMCG (Defensive) 0.6 - 0.8 10% - 11%
Banking / Auto (Standard) 1.0 - 1.2 12% - 13%
Technology / Small Cap (Aggressive) 1.5 - 2.0 15% - 17%

Strategic Valuation Insights

Cost of Equity vs WACC

Cost of Equity is almost always higher than the Cost of Debt. Combine both to find the total firm valuation using our Enterprise Value Tool.

Link: Valuation Engine

The Beta Leverage

High-growth sectors command higher equity costs because their future cash flows are riskier. Always use a margin of safety in your DCF model.

Focus: Risk Adjustment

Frequently Asked Questions

1. What is the Cost of Equity?
Cost of Equity is the return a company requires to decide if an investment meets capital return requirements. It represents the opportunity cost for shareholders.
2. What is the CAPM formula?
The formula is: Cost of Equity = Risk-Free Rate + Beta * (Market Return - Risk-Free Rate). This is the industry standard for risk-adjustment.
3. Is Cost of Equity a cash expense?
No. Unlike debt interest, companies don't pay a monthly check for the cost of equity. It is an "implied cost" representing the minimum return required to keep investors satisfied.
4. Why does a high Beta increase the cost of equity?
Beta represents volatility. In financial theory, investors demand a higher return (premium) for higher risks. Therefore, a riskier company must earn a higher profit to justify its valuation.
5. Does inflation affect the cost of equity?
Yes. High inflation leads to higher interest rates, which increases the Risk-Free Rate (Rf). As Rf rises, the overall Cost of Equity increases.
6. How is the Risk-Free Rate determined in India?
Professionals typically use the yield on the 10-year Government of India (GoI) Securities (G-Secs) as the standard Rf for Indian valuations.
7. What is the Market Risk Premium?
It is the difference between the Market Return and the Risk-Free Rate (Rm - Rf). It represents the extra return investors expect for choosing stocks over bonds.
8. Is there a tax benefit on equity cost?
No. Unlike debt (interest is tax-deductible), dividends and equity returns are paid from after-tax profits. This is why equity is considered "expensive" capital.

Related Valuation Tools

WACC Calc

Debt Cost

DCF Tool

EV Calc

Popular Financial Tools

CAGR Tool XIRR Calc SIP Tool Beta Tool

Disclaimer

Cost of equity calculations are mathematical estimates based on user-provided data. Actual market returns, risk-free rates, and beta values fluctuate daily. This tool is for educational purposes only.

Last Updated: April 12, 2026