Quick, free, online unit converter that converts common units of measurement, along with 77 other converters covering an assortment of units. The site also includes a predictive tool that suggests possible conversions based on input, allowing for easier navigation while learning more about various unit systems. The kilogram is the unit of mass in the metric system. Appointments must be made at least two hours in advance. Symbol length meter m mass3 kilogram kg time second. American and metric units of measure conversions between american and metric units common abbreviations american length american weight american volume metric prefixes in inch oz ounce pt pint m meter k kilo x ft foot lb pound qt quart g gram d deci 10. Step 5 as a class, use units of measure to solve contextual problems. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Mass time force work, energy power dynamic viscosity kinematic viscosity cgs centimeter gram second dyne erg. The basic unit of mass in the metric system is the gram. English to metric conversions the avoirdupois pound is defined as exactly 0. Students estimate how long it will take for the planet to lose its atmosphere.
In a group, or with a partner, students will practice converting between different units of measure. Papers about quantum gravity express mass, length, and time in terms of energy, usually powers of gev. It is the worlds most widely used system of measurement, both in everyday. Free online weight and mass converter converts between 70 units of weight and mass, including kilogram kg, gram g, milligram mg, ton metric t, etc. Quantity name of unit symbol 1 length meter m 2 mass kilogram kg 3 time second s 4 electric current ampere a 5 temperature kelvin k.
Electric and magnetic units the esu and emu unit systems are cgs systems. A unit of measurement refers to a particular physical quantity. Because the metric system uses units related by factors of ten and the types of units distance, area, volume, mass are simplyrelated, performing calculations with the metric system is. Scientists all over the world use the same system of units so they can communicate information clearly. One joule is the product of one newton and one meter no m. Customary to metric conversions nist hb 44 appendix c current ed. This table provides a summary of the weight or mass units within their respective measurement systems. The metric system has been officially sanctioned for. Units are extremely important in the study of science. Conversion of units mathematical conversions tables. Mass 1 gram g milligrams mg 1 kilogram kg grams g 1 ton t kilograms kg 5 1 metric ton time 1 second s. Without them, a number is just a number without any meaning. A metre describes length, a kilogram describes mass, a second describes time etc.
Conversions in the metric system george brown college. Conversion of units is the conversion between different units of measurement for the same quantity, typically through multiplicative conversion factors. Conversions between mass and volume specific gravity and density. You will find that the stepwise thought process associated with the procedure called unit analysis 1 not only guides you in figuring out how to set up unit conversion problems but also gives you confidence that your answers are correct. Unit conversions worksheet 1 everett community college. This mass standard was established in 1887 and has not been changed since that time because platinumiridium is an. The process of conversion depends on the specific situation and the intended purpose. If a unit to be converted is in the numerator, that unit must be in the denominator of the conversion factor in order for it to cancel. Prefix used in code prefix for written unit multiplier da. Different parts of the world use different units of measurement. This system comprises seven base quantities and 16 prefixes that designate amount. When setting up a conversion factor to or from a base unit, use 1 for the prefixed unit and the power of 10 for the base unit.
Step 6 have students work individually on solving word problems that involve units of measure. For example, given a metre we notice the following unit conversions to the right of the base unit. There are grams in one kilogram, and there are milligrams in one gram. Practice setting these up as dimensional analysis conversions with cancelling units. These conversion tables are provided for your reference. Here we understand that meter is the standard of measurement and the number 3 is the how lengthy the wire is. This modern form of the metric system is based around the number 10 for convenience. Label answers with the appropriate unit of measure. A unit is defined and adopted by convention, in other words, everyone agrees that the unit will be a particular quantity.
Milligrams to grams, grams to kilograms and other metric mass conversions. In normal situations, the weight of an object is proportional to its mass, which usually makes it unproblematic to use the same unit for both concepts. Metric tons tons are most commonly used for example, to measure coal, oil and. Some units constants, and conversions and energy of familiar. Adopted by the 11th general conference on weights and measures in 1960, it. It is defined by taking the fixed numerical value of the planck constant h to be 6. Start with what you know and let the conversion factor units decide how to set up the problem.