The metric system's governing body has added some new terms to help describe massive amounts of data. The General Conference on Weights and Measures last week added the prefixes "ronna" and "quetta." ...

Now, let's delve into solving the Metric prefix meaning one thousand crossword clue, featured as 51 Across in the USA Today Crossword on June 17, 2025.

Yotta (24 zeroes) was the largest prefix in the metric system before the new additions. Now, the Earth's mass can be said to be about 6 ronnagrams rather than 6,000 yottagrams.

The new prefixes ronna and quetta refer to the largest numbers, while ronto and quecto apply to the smallest. Ronna is a 1 followed by 27 zeroes, and quetta is a 1 followed by 30 zeroes.

IEEE 1541-2002 (adopted in 2005 and reaffirmed in 2008) defines that standard metric prefixes should not be used when referring to base 2 numbers, typical in computing. Metric uses base ten for ...