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This article gives a list of conversion factors for several physical quantities. A number of different units (some only of historical interest) are shown and expressed in terms of the corresponding SI unit.
1 ft lbwt = 1.356 joules = 0.3239 cal = 1.285 × 10 -3 Btu. 1 calorie (cal) = 4.186 joules = 3.087 ft lbwt = 3.968 × 10 -3 Btu. 1 Btu (British thermal unit) = 778 ft lbwt = 1055 joules = 0.293 watt h. 1 kilowatt hour (kw hr) = 3.60 × 10 6 joules = 860 kcal = 3413 Btu. 1 electron volt (ev) = 1.602 × 10 -19 joule.
An extensive set of conversion factors between the two systems of units is listed in Section 5. In this document, the term inch-pound unit includes the degree Fahrenheit.
Learn how to convert between metric and English units for mass, length, volume, and pressure. Find the common conversion factors and units to memorize for chemistry calculations.
9 mar 2023 · Learn how to convert measurements from English to SI (metric) units and vice versa using conversion multipliers for various types of measurements. Find tables of conversion factors for length, weight, area, volume, pressure, power and more.
27 cze 2019 · Learn how to use conversion factors to change a measurement in one unit to another unit. See examples of conversion factors for length, area, volume, mass, speed, density, and force.
13 sty 2010 · NIST HB 44 – Appendix C (Current Edition) provides several convenient conversion factor tables for length, area, volume (dry and liquid measure), and mass using SI (metric system) and U.S. customary units, including notes on British measurement units.
