# Worksheets of length units conversion

 Number of examples: Range of values: Multiplicity:
 11 dm = μm 34 cm = m 50 m = μm 82 " = m 60 km = mm 37 μm = km 59 m = cm 54 cm = dm 69 cm = dm 31 " = m

### Conversions of a length unit in word problems

• An oil An oil drum is cut in half. One half is used as a water trough. Use the dimensions; length 82cm, width 56cm to estimate the capacity of the water trough in liters.
• Map scale What is the scale of the map, if 5.4 km is 72 mm on the map?
• Dig water well Mr. Zeman digging a well. Its diameter is 120 cm and plans to 3.5 meters deep. How long (at least) must be a ladder, after which Mr. Zeman would have eventually come out?
• A car A car weighing 1.05 tonnes driving at the maximum allowed speed in the village (50 km/h) hit a solid concrete bulkhead. Calculate height would have to fall on the concrete surface to make the impact intensity the same as in the first case!
• Clock How many times a day hands on a clock overlap?
• How many How many 75 cm long steps will a football player take during training, when he runs on a 50m square track and goes around the course 3 times? We need writing, sketch, calculation. .. .
• Tiles How many square tiles with an area of 121 cm2 have to be ordered for the square room's paving with a side length of 2.75 meters? The bottom rung of a ladder is 36 inches long and the topmost rung is 24 inches long. If the ladder has 18 rungs, how many inches each other rung is shorter than the rung below it. How many feet of wood was used in making the rungs? Walker passes an hour 5 km. Express train per hour 100 km. Walker went 4 hours. How many minutes took the distance express train? In a class are 34 students. The average height of the students is 165 cm. What will be the average height of students in the classroom when two pupils, tall 176 cm and 170 cm, moved from this school/class? The average height in meters of all the students The flowerbed has a length 3500mm and a width 1400mm. How many foil is needed to covers the flowerbed? How many m2 of foil was consumed for its production (add 10% of the material to the joint and waste)? How many liters of air is inside the enclosure? (F What is the distance the minute hand of the clock travels in 12 minutes, if the diameter of the clock is 30 cm and the hand extends to a distance of 2 cm from the edge of the clock? The copper wire bundle with a diameter of 2.8mm has a weight of 5kg. How many meters of wire is bundled if 1m3 of copper weighs 8930kg?