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# Is Smiths Group plc’s (LON:SMIN) P/E Ratio Really That Good?

The goal of this article is to teach you how to use price to earnings ratios (P/E ratios). We’ll look at Smiths Group plc’s (LON:SMIN) P/E ratio and reflect on what it tells us about the company’s share price. What is Smiths Group’s P/E ratio? Well, based on the last twelve months it is 21.21. That corresponds to an earnings yield of approximately 4.7%.

### How Do You Calculate A P/E Ratio?

The formula for price to earnings is:

Price to Earnings Ratio = Share Price ÷ Earnings per Share (EPS)

Or for Smiths Group:

P/E of 21.21 = £15.7 ÷ £0.74 (Based on the trailing twelve months to January 2019.)

### Is A High Price-to-Earnings Ratio Good?

A higher P/E ratio means that buyers have to pay a higher price for each £1 the company has earned over the last year. That isn’t necessarily good or bad, but a high P/E implies relatively high expectations of what a company can achieve in the future.

### How Does Smiths Group’s P/E Ratio Compare To Its Peers?

We can get an indication of market expectations by looking at the P/E ratio. If you look at the image below, you can see Smiths Group has a lower P/E than the average (23.2) in the industrials industry classification.

Its relatively low P/E ratio indicates that Smiths Group shareholders think it will struggle to do as well as other companies in its industry classification.

### How Growth Rates Impact P/E Ratios

Earnings growth rates have a big influence on P/E ratios. Earnings growth means that in the future the ‘E’ will be higher. Therefore, even if you pay a high multiple of earnings now, that multiple will become lower in the future. And as that P/E ratio drops, the company will look cheap, unless its share price increases.

Smiths Group’s earnings per share fell by 21% in the last twelve months.

### A Limitation: P/E Ratios Ignore Debt and Cash In The Bank

The ‘Price’ in P/E reflects the market capitalization of the company. So it won’t reflect the advantage of cash, or disadvantage of debt. The exact same company would hypothetically deserve a higher P/E ratio if it had a strong balance sheet, than if it had a weak one with lots of debt, because a cashed up company can spend on growth.

Spending on growth might be good or bad a few years later, but the point is that the P/E ratio does not account for the option (or lack thereof).

### Smiths Group’s Balance Sheet

Smiths Group’s net debt is 15% of its market cap. It would probably deserve a higher P/E ratio if it was net cash, since it would have more options for growth.

### The Verdict On Smiths Group’s P/E Ratio

Smiths Group’s P/E is 21.2 which is above average (16) in its market. With modest debt but no EPS growth in the last year, it’s fair to say the P/E implies some optimism about future earnings, from the market.

When the market is wrong about a stock, it gives savvy investors an opportunity. If the reality for a company is better than it expects, you can make money by buying and holding for the long term. So this free visualization of the analyst consensus on future earnings could help you make the right decision about whether to buy, sell, or hold.

But note: Smiths Group may not be the best stock to buy. So take a peek at this free list of interesting companies with strong recent earnings growth (and a P/E ratio below 20).

We aim to bring you long-term focused research analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material.

If you spot an error that warrants correction, please contact the editor at editorial-team@simplywallst.com. This article by Simply Wall St is general in nature. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. Simply Wall St has no position in the stocks mentioned. Thank you for reading.