How To Calibrate A Scale With Household Items. However, if it repeatedly gives incorrect values, then the bathroom scale is most likely to have damaged parts that need to be replaced. Fill the cup/glass up to the line.
This is the first thing that can help you to use the bathroom scales in the right ways. Place a calibration weight, a u.s. Pick an accuracy and work on that level.
For example, ± 0.1 oz, or ± 0.01 oz etc.
The scale must be completely clean so nothing interferes with the calibration process. Some household items you or your neighbors may have include: Turn it on, hit the mode button for 3 seconds and it will say cal, then hit the mode button again and it will display the amount needed to calibrate the scale (most are 500grams). Scale calibration should be done close to full scale, or at the value where you are making the most measurements, or both.