Why is it necessary to include units when reporting scientific measurements?

Without units, the results of your measurement would be unclear and it would be hard to know what each seperate measurement is telling you.

Answer / Explanation: you always want to keep track of your units especially during conversions because if you're measuring liquids and you end up with meters for your final conversion, somethings wrong. Also, it's important to show what you're measuring. If you just answer 5.34 and leave out the units, no one knows what's you measured. Dogs? Trees? Centimetres?