The underestimate comes to mind.
Less than
not desirable
The word is weighs, not ways (try using a dictionary). Most fruit weigh less than 1 kg.
as fast as, so fast as. faster than... less fast than...
at least a minimum of no more than a maximum of
Underestimate?
over-estimate
estimate
When you estimate something the word that is commonly used the most is "about". This word is saying that it is not an exact measurement.
Estimate
Estimate
The opposite of the word "estimate" is "ascertain." While "estimate" involves making an approximate judgment or calculation, "ascertain" refers to the process of finding out something for certain or determining an exact value.
I estimate the work on the house will be substantially higher than the estimate the builder submitted.
Well it is not exact but about 1000 times that's an estimate
Less than
Less or more
not desirable