(INFP stands for Introvert, iNtuitive, Feeling, Perceiving and represents individual's preferences in four dimensions characterising personality type, according to Jung's and Briggs Myers' theories of personality type.)
The least count is the value of the smallest scale division of the measurement instrument. Example: a ruler with marks 1 millimeter apart has a least count of 1 millimeter The least count of an instrument is the size of the smallest scale division on the instrument. The smaller the least count the more precise the instrument is said to be. For example a metric ruler which has millimeter marks has a least count of 1 mm or 0.1 cm. and when properly used it can make more precise measurements than one with centimeter marks.
Short answer: Multiply by 100 for centimeters or 1000 for millimeters. Long answer: The metric system makes it easy to convert between different units because the whole system is base ten. As long you remember the names, it becomes easy to convert between them. kilometer 1000. hectometer 100. decameter 10. meter 1.