Exa-

• The total storage needed by Gmail as of April 2012, ignoring backups and compression, is more than an exabyte
• 1 EeV = 10¹⁸ electronvolts = 0.1602 joule
• United States electric energy consumption is about 15 exajoule per year
• 1 exasecond is approximately 32 billion years
• 1 exametre is approximately 110 light-years
• 0.43 Es ≈ the approximate age of the universe
• 1.6 Em is 172 ± 12.5 light years—diameter of Omega Centauri
• 57.0 exahashes/s is the calculation rate of the Bitcoin network ≈ hashes per second
• 1.5 exaFLOPS is the compute performance of the upcoming 'Frontier' supercomputer built by AMD and Cray for046AD0044