Price to Cash Flow Ratio Calculator
Compute the price-to-cash-flow (P/CF) ratio and cash flow yield from share price and operating cash flow per share. The valuation multiple used when earnings quality is in doubt.
P/CF ratio
10
- Cash flow yield
- 10%
- Share price
- £50.00
- Operating cash flow per share
- £5.00
P/CF = Price per Share / Operating Cash Flow per Share. Because operating cash flow is harder to manipulate than accrual-based earnings, P/CF is often preferred over P/E for capital-intensive sectors (energy, telecoms, real estate) and for cross-border comparisons where accounting standards differ. Cash flow yield is the inverse — cash generated per dollar invested. Typical bands: broad market long-run 10–15, mature industrials 6–10, high-growth tech 20+, distressed cyclicals below 5.
How to use this calculator
Enter the current share price and operating cash flow per share (OCF/share) — the standard trailing P/CF uses the last four reported quarters of operating cash flow from the statement of cash flows, divided by the diluted share count. Most data providers report this figure directly as "CFPS" or "OCF per share". Optionally enter shares outstanding to see market capitalisation and total operating cash flow. For a forward multiple, substitute an analyst consensus OCF forecast; the formula is identical.
How the calculation works
P/CF = Price per Share / Operating Cash Flow per Share. Operating cash flow is the cash a company generates from its core business before investing and financing activities — it strips out non-cash items (depreciation, amortisation, stock-based compensation) and working capital swings. Because OCF is harder to shape than accrual earnings, P/CF is often preferred over P/E for capital-intensive sectors (energy, telecoms, REITs) and for cross-border comparisons where accounting standards diverge. Cash flow yield is the inverse — OCF per share divided by price — directly comparable to a bond yield or an earnings yield.
Worked example
A share trades at $50 with trailing operating cash flow per share of $5.00. P/CF = 50 / 5 = 10.0. Cash flow yield = 5 / 50 = 10.0%. With 100 million shares outstanding, market cap = 50 × 100,000,000 = $5.0 billion and total operating cash flow = 5 × 100,000,000 = $500 million. The company-level P/CF pops out of the same identity: $5.0B / $500M = 10.0.
Frequently asked questions
What is a "good" P/CF ratio?
It is entirely sector-dependent. Long-run broad-market averages sit in the 10–15 range. Mature industrials and consumer staples typically trade at 8–12; high-growth software and tech at 20+; capital-intensive energy and telecoms at 5–9; distressed cyclicals sometimes below 4. Compare a company against sector peers, not a universal benchmark — a REIT at P/CF 18 may be expensive within its sector, while a software company at the same multiple is cheap.
What is the difference between P/CF and P/E?
P/E uses accrual-based net income (revenue recognised, depreciation charged, non-cash items subtracted); P/CF uses operating cash flow, which strips out those non-cash charges and reflects actual cash generation. For companies with heavy depreciation, large stock-based compensation, or aggressive revenue recognition, the two can diverge sharply — a stock can look expensive on P/E but reasonable on P/CF (or vice versa). Cash flow is harder to manipulate than earnings, so P/CF is often the preferred multiple for quality-conscious investors and for sectors where accounting varies.
What is the difference between P/CF and P/FCF?
P/CF uses operating cash flow (OCF) — cash from operations before capital expenditure. P/FCF uses free cash flow — OCF minus capex. Free cash flow is the cash actually available to shareholders after the business has funded its own reinvestment, so P/FCF is often the more conservative multiple for capital-heavy businesses. For asset-light software companies with minimal capex, the two are almost identical; for utilities, telecoms, or manufacturers, P/FCF can be materially higher (or infinite, if capex exceeds OCF).
Should I use operating cash flow or free cash flow?
Use operating cash flow for a standard P/CF calculation — that is the market convention on Bloomberg, FactSet, and S&P Capital IQ, and it makes cross-company comparison consistent. Switch to free cash flow (P/FCF) when the business is capital-intensive enough that ignoring capex materially overstates the cash available to owners. For a full picture, calculate both and compare them: a wide gap between P/CF and P/FCF signals a capital-hungry business where reinvestment consumes most of the operating cash.
Why does the calculator return zero when operating cash flow is negative?
A negative or zero OCF makes P/CF mathematically undefined and economically meaningless — you cannot express a cash-burning business as a positive multiple of cash generation. When a company posts negative operating cash flow, valuation shifts to price-to-sales, EV/EBITDA, or forward P/CF against a forecast of when operations turn cash-positive. Data terminals typically show "n/a" or "NM" for these cases; this calculator returns zero with a note in the explanation rather than displaying a misleading number.
How is P/CF used alongside EV/EBITDA?
EV/EBITDA is the closest cousin to P/CF but at the enterprise level — it uses enterprise value (equity plus net debt) in the numerator and EBITDA (operating profit before non-cash charges) in the denominator, capturing the whole capital structure. P/CF is the shareholder-only version and starts from equity market value. In leveraged sectors (utilities, telecoms, private equity targets), EV/EBITDA is preferred because it neutralises capital structure differences. For pure equity comparisons on companies with similar leverage, P/CF is simpler and reads directly off the share price.