To convert time to just minutes: 1  2 hours is 2 hours * (60 minutes / 1 hour) = 2 * 60 minutes = 120 minutes. 2  45 minutes is 45 minutes * (1 minute / 1 minute) = 45 * 1 minutes = 45 minutes. 3  45 seconds is 45 seconds * (1 minute / 60 seconds) = 45/60 minutes = 0.75 minutes.
The average mechanical engineer in the United States earned $38.74 per hour, which comes to $80,580 per year as of 2009. The BLS reported earnings of $49,730 for lowest-earning tenth percentile and $117,550 at the top or 90 percentile level, a difference of over $67,000 per year.*.
Average Civil Engineer Yearly Salary in the United States. Civil Engineers earn a median salary of $82,220 per year. Salaries typically start from $52,900 and go up to $129,850. These numbers may vary depending on several factors, like level of education, amount of experience, industry, company size and location. Learn more about the Civil Engineer job market for salaries of real jobs in your area.