The current settings are always displayed in the lower left-hand corner of the ruler image.Note: If you select a length that will make the ruler longer than the width of your browser window, it will be automatically adjusted to the longest length that will fit on your screen. Selecting the Automatic setting will cause the length of the ruler to always fit your browser window. You can select any length from 1" through 12". Ruler Length: The default setting is 4".If you select a lesser option, the Questions setting will be automatically adjusted accordingly. Note: The Ruler Marks setting must be greater than or equal to the Questions setting. If you often use ruler that have thirtysecondths or sixtyfourths marks, you may want to select one of those options. If most of the rulers you will use in the real world only have eighth marks, you may want to select Eighths here. This determines how precise you must be when you select your answer. Ruler Marks: The default setting is Sixteenths.If you select a greater option, the Ruler Marks setting will be automatically adjusted accordingly. Note: The Questions setting must be less than or equal to the Questions setting.
![actual size ruler 12 inches online actual size ruler 12 inches online](https://cdn.free-printable-paper.com/images/large/metric-ruler.jpg)
You may want to learn the start with Wholes and work your way up through the remaining options for a greater challenge: Wholes, Halves, Quarters, Eighths, Sixteenths, Thirtysecondths, and Sixtyfourths. Questions: The default setting is Sixteenths.
![actual size ruler 12 inches online actual size ruler 12 inches online](https://www.inchcalculator.com/wp-content/uploads/2016/04/ruler.jpg)
Select Off to have unlimited time to make your guess. Click the Settings button to adjust your preferences for the game.The number of strikes you have received is indicated on the right side of the Results Bar below the ruler image. For each incorrect answer, you will receive a strike.If you have not selected a measurement when the time runs out, you will receive a strike for selecting 0".It will begin as green, then turn yellow when you have only 5 seconds remaining, and turn red when you have only 2 seconds remaining. As time passes, the bar will get shorter. The timer is represented to the right of the score in the Results Bar.Your current level is indicated in the Results Bar below the ruler image. Each time you correctly guess 10 measurements, you will advance to the next level.Points are awarded based on the following table.Your score is displayed on the left side of the Results Bar that appears below the ruler. For each correct answer, you will be awarded points.
![actual size ruler 12 inches online actual size ruler 12 inches online](https://www.digitallycredible.com/wp-content/uploads/2019/02/12-Inch-Ruler-Actual-Size-768x100.jpg)
To check your answer, click on the ruler (or lift your finger on a touchscreen device).