Marathon Petroleum (NYSE: MPC) reported earnings on April 30. Here are the numbers you need to know.

The 10-second takeaway
 For the quarter ended March 31 (Q1), Marathon Petroleum beat expectations on revenues and met expectations on earnings per share.

Compared to the prior-year quarter, revenue grew significantly. GAAP earnings per share grew significantly.

Gross margins dropped, operating margins were steady, net margins shrank.

Revenue details
 Marathon Petroleum notched revenue of $23.35 billion. The four analysts polled by S&P Capital IQ predicted revenue of $20.96 billion on the same basis. GAAP reported sales were 24% higher than the prior-year quarter's $18.89 billion.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 EPS came in at $2.17. The 17 earnings estimates compiled by S&P Capital IQ anticipated $2.16 per share. GAAP EPS of $2.17 for Q1 were 28% higher than the prior-year quarter's $1.70 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Margin details
 For the quarter, gross margin was 7.6%, 40 basis points worse than the prior-year quarter. Operating margin was 5.0%, much about the same as the prior-year quarter. Net margin was 3.1%, 10 basis points worse than the prior-year quarter. (Margins calculated in GAAP terms.)

Looking ahead
 Next quarter's average estimate for revenue is $23.94 billion. On the bottom line, the average EPS estimate is $3.06.

Next year's average estimate for revenue is $92.21 billion. The average EPS estimate is $10.60.

Investor sentiment
 The stock has a four-star rating (out of five) at Motley Fool CAPS, with 175 members out of 183 rating the stock outperform, and eight members rating it underperform. Among 47 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 45 give Marathon Petroleum a green thumbs-up, and two give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Marathon Petroleum is outperform, with an average price target of $88.41.

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