![]() In English units, the acceleration gravity near the surface of the Earth at sea level is 32.17405 ft/s 2.ĭepending on the measurement functions and processes you perform, you may need to know your local gravity because it can significantly affect your results.įor example, take two pressure gauges and calibrate them at different locations where there is a significant difference in local gravity. It is the same as the standard gravity given above. The acceleration gravity near the surface of the Earth at sea level is 9.80665 m/s 2. NIST SP 330: The International System of Units (SI) 2019 Edition.BIPM SI Brochure: The International System of Units (SI) – 9th edition, or.You can learn more about standard gravity by reading: Look at the image below to see standard gravity listed in the BIPM SI brochure. The value is adopted by the Internal Service of Weights and Measures and is the law in some countries. In the BIPM SI Brochure and the NIST SP330, standard gravity is listed as 980.665 cm/s 2. Correcting Measurements for Local GravityĪccording to Wikipedia, standard gravity is defined as the nominal gravitation acceleration of an object in a vacuum near the surface of the Earth.Īccording to the National Institute of Standards and Technology ( NIST), the standard acceleration of gravity is exactly 9.80665 m/s 2 which is approximately 32.17405 ft/s 2.Convert Gravity from Milligals to m/s 2.Here is a list of sections included in this guide: Plus, I will answer a lot of common questions asked about local gravity. Find the elevation above sea level, and.In this guide, you will learn how to calculate the local gravity of your laboratory in three simple steps: So, you may need to calculate your own local gravity. More than likely, this does not apply to your laboratory. However, standard gravity only applies to an object or body at sea level and geodetic latitude of 45 degrees. ![]() In Metrology, knowing your local gravity is important if you are performing comparison measurements that involve forces that are influenced by gravity.Įstablished at the third General Conference on Weights and Measures in 1901, the standard gravity on Earth is 9.80665 m/s 2, or 32.174 ft/s 2. ![]()
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