Multi-Currency DCF Valuation: How to Value Foreign Cash Flows

How to value a business with foreign-currency cash flows in a DCF — the two accepted approaches, and how to match the discount rate to the currency.

Valuing a business whose cash flows arise in more than one currency is one of the trickier problems in DCF modelling, and one where analysts most often slip. The golden rule is simple but easy to break: the currency of the cash flows and the currency of the discount rate must match. Get that wrong and the valuation is meaningless. There are two internally consistent ways to do it correctly.

The core problem: currency and discount rate must match

A discount rate embeds the inflation and risk expectations of a particular currency. A cash flow in Indian rupees discounted at a US-dollar WACC mixes two inflation regimes and produces a nonsense number. So before anything else, decide which currency you are valuing in, and make every cash flow and the discount rate consistent with that choice.

Approach 1: forecast and discount in local currency, then convert

Forecast each foreign operation's cash flows in its own currency, and discount them at a discount rate built for that currency — its own risk-free rate and market risk premium. This gives an enterprise value in the local currency, which you then convert to the home currency at the current spot rate. This is usually the cleanest approach because each cash-flow stream is discounted at a rate that reflects its own economy.

Approach 2: convert cash flows to the home currency, then discount

Alternatively, convert each future foreign cash flow into the home currency using forward exchange rates — not the spot rate — and discount the resulting home-currency stream at the home-currency WACC. The forward rates matter: using today's spot rate for every future year implicitly assumes the exchange rate never moves, which for a high-inflation currency badly overstates value. Forward rates are derived from the interest-rate differential between the two currencies, so this approach is only as good as your forward-rate assumptions.

Matching WACC to the currency

Whichever approach you choose, build the discount rate in the same currency as the cash flows. For a local-currency valuation, use that country's risk-free rate (a local government bond yield) and an equity risk premium that reflects its market, often with a country-risk premium added. For a home-currency valuation via forwards, use your home WACC. Never bolt a country-risk premium onto cash flows that have already been converted with forward rates — that double-counts the risk.

Long-horizon and cross-border constraints

Over a 20-to-25-year horizon — common for infrastructure, energy and real-estate assets — currency effects compound and additional frictions appear: withholding taxes on cross-border distributions, capital controls or remittance constraints that delay when cash can actually leave the country, and covenants that ring-fence cash for local debt service. A credible model reflects the cash available to the parent after these frictions, not just the gross local cash flow, and stress-tests the exchange-rate path in a sensitivity table.

Keep it consistent, then stress-test

The single discipline that prevents most errors is consistency: one currency for cash flows and discount rate, forward rates (never a frozen spot) for any conversion, and a country-appropriate risk premium applied once. Then flex the FX path and the discount rate in a sensitivity table, because for cross-border assets the exchange-rate assumption often moves the valuation more than the operating forecast does.

Build a multi-currency valuation

The EasyFinancialModels engine supports 30+ currencies with proper accounting formats and lets you build the operating model and discount rate consistently in your chosen currency. To automate the cash-flow build, WACC and terminal value, use our DCF valuation model — free for a 3-year model — keeping the currency of your cash flows and discount rate aligned throughout.

→ Build your dcf & valuation model free with the DCF Valuation tool

More DCF & Valuation guides

How to Build a DCF Model in Excel (Step-by-Step Guide) · DCF Valuation Explained for Founders and Analysts · WACC and CAPM: Estimating Your Discount Rate · How to Calculate Terminal Value in a DCF (Gordon Growth & Exit Multiple) · Enterprise Value vs Equity Value: The Difference Explained

About the author

Every model is built and reviewed by the project's Financial Advisor — a Fellow Chartered Accountant (FCA), Chartered Global Management Accountant (CGMA) and Associate Chartered Management Accountant (ACMA) with around two decades of corporate finance, audit and accounting experience, designing investor-grade financial models across industries. Full credentials and background are available on LinkedIn. More about the author →

← All guides · WACC calculator · DCF calculator · IRR calculator · Inside the 15-sheet model