HOW STUFF WORKS
QUIZZES

The Ultimate Building Porch Stairs Quiz
by Staff
Stairs might be easy to climb, but they are very difficult to build. Do you want to save yourself some money by building your own set of porch stairs? First make sure you know what a project like that entails. Take our quiz, and learn more about the process of building yourself a great set of porch stairs.

### Which of these is the most important part of building porch steps?

• You must choose the correct materials.
• You should make sure the design is accurate.
• You need to see to it that the steps are pretty.

### You should build your own stairs only under which of the following circumstances?

• You should only build your own stairs if you can't afford to pay a carpenter.
• You should only build your own stairs if you have plenty of free time on the weekends.
• You should only build your own stairs if you have experience with difficult carpentry tasks.

### Before taking on this or any other building project, you should find out whether you need which of these?

• a building permit
• a helping hand
• special tools

### Some carpenters prefer to use which of these to design stairs?

• drafting software
• interior designers
• pencil and paper

### Your calculations are intended first to provide which of these crucial pieces of information?

• the number of stairs
• the height of each stair
• the width of the handrail

• the rise
• the base
• the run

• 3 inches
• 7 inches
• 12 inches

### To determine how many stairs you will need, you should use which of these calculations?

• Divide the total rise of the staircase by 7, and round to the nearest integer.
• Calculate the slope of the stairs, divide that angle into 7-inch units, and add one.
• Determine the square of the hypotenuse of the triangle produced by the staircase, and cut that into 7-inch sections.

### Having determined the number of steps you need, how do you determine how high each rise will actually be?

• Divide the total rise by the number of stairs you've calculated you need.
• Multiply the number of stairs you need by 7 inches.
• Add up the total number of stairs you need and divide that into 7-inch units.

### The term run refers to which of these sections of a stair's step?

• the angle of the stair's climb
• the depth of each stair
• the total amount of area covered by the staircase

• 7 inches
• 11 inches
• 18 inches

### When calculating the rise of a step, you should round off to which of these?

• the nearest quarter of an inch
• the nearest half of an inch
• the nearest inch

• 3
• 5
• 7

• 7 inches
• 7.25 inches
• 7.5 inches

### One way to save time on your project is to buy which of these?

• pre-cut stringers
• pre-cut risers
• pre-cut runs
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