1 BTU equals 1054.35026444 Joules.
SI units
SI units are defined for physical measurements, like measurements of mass, length, etc. - there are no specific SI units for plain numbers.SI units are defined for physical measurements, like measurements of mass, length, etc. - there are no specific SI units for plain numbers.SI units are defined for physical measurements, like measurements of mass, length, etc. - there are no specific SI units for plain numbers.SI units are defined for physical measurements, like measurements of mass, length, etc. - there are no specific SI units for plain numbers.
In the SI, energy is measured in Joules.Some other units (not part of the SI) include: erg; BTU; calores; and others.In the SI, energy is measured in Joules.Some other units (not part of the SI) include: erg; BTU; calores; and others.In the SI, energy is measured in Joules.Some other units (not part of the SI) include: erg; BTU; calores; and others.In the SI, energy is measured in Joules.Some other units (not part of the SI) include: erg; BTU; calores; and others.
Meter per secondThere is no standard SI unit for velocity actually. It is a derived unit. Velocity is distance traveled per time together with the direction of motion. The SI unit of distance is the meter (m) and the SI unit of time is the second (s).So the units of velocity in SI units is meters/second (m/s), or ms-1See the Related Questions link to the left "What are all the SI units" for more information about SI units.CommentDerived units are SI units.
In a system of units such as the SI, BASE UNITS are defined; other units are derived from those.For example, in the SI, the meter, the kilogram, and the second are base units; the units for area (meters squared), for speed and velocity (meters/second), etc. are derived from the base units. Which units are base units, and which units are derived units, really depends on how the unit is defined. For example, in the SI, pressure is a derived unit; but you can just as well invent a system in which pressure is a base unit, and some other units, that are base units in the SI, are derived in this new system.
In SI units, that would be the Newton.In SI units, that would be the Newton.In SI units, that would be the Newton.In SI units, that would be the Newton.
Derived SI units.
Two pieces of information are require to answer this question.1BTU = 1055.05585J and 1kilogram = 2.2046226 poundsHence 1 BTU/pound = 1BTU/pound x 2.2046226pounds/kilogram x 1055.05585J/BTUor 1BTU=2326.00J/kgor 1BTU=2.326kJ/kgor 1BTU=2.326x10-3MJ/kgFor example if u need to convert 10500 BTU,10500BTU=10500BTU x 2.326x10-3MJ/kg10500BTU=24.42MJ/kgThe trick to conversion calculations is to always makes sure the unwanted units are cancelled with the ones you do want.
SI and metric are the same units.
International System of Units (SI)
Base units
most of the world does SI so more people can understand with it in SI units
most of the world does SI so more people can understand with it in SI units
SI units are more accurate than English system units
The SI has 7 base units. These units can be combined in an almost unlimited way to form other (derived) units. The Wikipedia article on "SI derived units" lists some examples.
Si and metric are the same thing. SI was a redefinition of metric in 1960.
SI units: kilogram, gram English units: pound-mass, slug