![A replica of the International Prototype Kilogram is pictured at the International Bureau of Weights and Measures (BIPM) in Sevres near Paris, France, November 14, 2018. REUTERS/Benoit Tessier Stock Photo - Alamy A replica of the International Prototype Kilogram is pictured at the International Bureau of Weights and Measures (BIPM) in Sevres near Paris, France, November 14, 2018. REUTERS/Benoit Tessier Stock Photo - Alamy](https://c8.alamy.com/comp/2CT0R1P/a-replica-of-the-international-prototype-kilogram-is-pictured-at-the-international-bureau-of-weights-and-measures-bipm-in-sevres-near-paris-france-november-14-2018-reutersbenoit-tessier-2CT0R1P.jpg)
A replica of the International Prototype Kilogram is pictured at the International Bureau of Weights and Measures (BIPM) in Sevres near Paris, France, November 14, 2018. REUTERS/Benoit Tessier Stock Photo - Alamy
![International System of Units International Bureau of Weights and Measures SI base unit Units of measurement General Conference on Weights and Measures, design draft, text, measurement png | PNGEgg International System of Units International Bureau of Weights and Measures SI base unit Units of measurement General Conference on Weights and Measures, design draft, text, measurement png | PNGEgg](https://e7.pngegg.com/pngimages/634/893/png-clipart-international-system-of-units-international-bureau-of-weights-and-measures-si-base-unit-units-of-measurement-general-conference-on-weights-and-measures-design-draft-miscellaneous-text.png)
International System of Units International Bureau of Weights and Measures SI base unit Units of measurement General Conference on Weights and Measures, design draft, text, measurement png | PNGEgg
![International Bureau of Weights and Measures (BIPM) has decided that the kilogram will no longer be pegged to this cylinder made of 90% platinum and 10% iridium. International Bureau of Weights and Measures (BIPM) has decided that the kilogram will no longer be pegged to this cylinder made of 90% platinum and 10% iridium.](https://vajiramandravi.s3.us-east-1.amazonaws.com/media/2018/12/22/9/9/24/252525.jpg)