Mass units converter
Mass (weight) units converter - converts units between metric (tons, kilograms, etc.), Avoirdupois/US (pounds, ounces) and troy systems

# Inputs data - value and unit, which we're going to convert

 kiloton (gigagram) [kton, Gg]ton (megagram) [ton, Mg]quintal [q]kilonewton [kN]kilogram [kg]hectogram [hg]decagram [dag]gram [g]carat [ct]centigram [cg]milligram [mg]microgram [µg]nanogram [ng]atomic mass unit [u]long ton [ton]short ton [sh tn]long hundredweight [cwt]short hundredweight [sh cwt]stone [st]pound [lb av]ounce [oz av]dram [dr av]grain [gr]pound [lb t]ounce [oz t]dram [dr t]pennyweight [dwt, pwt]scruple [s ap]carat [kt]grain [gr]mitedoite 0123456789

# metric

 Unit Symbol Symbol(plain text) Value kiloton (gigagram) $kton$ kton, Gg 0.000001 ton (megagram) $ton$ ton, Mg 0.001 quintal $q$ q 0.01 kilonewton $kN$ kN 0.009806652 kilogram $kg$ kg 1 hectogram $hg$ hg 10 decagram $dag$ dag 100 gram $g$ g 1000 carat $ct$ ct 5000 centigram $cg$ cg 100000 milligram $mg$ mg 1000000 microgram $\mu g$ µg 1000000000 nanogram $ng$ ng 1×1012 atomic mass unit $u$ u 6.022141983×1026

# Avoirdupois, U.S.

 Unit Symbol Symbol(plain text) Value long ton $ton$ ton 0.000984207 short ton $\text{sh tn}$ sh tn 0.001102311 long hundredweight $cwt$ cwt 0.019684131 short hundredweight $\text{sh cwt}$ sh cwt 0.022046226 stone $st$ st 0.157473044 pound $\text{lb av}$ lb av 2.204622622 ounce $\text{oz av}$ oz av 35.27396195 dram $\text{dr av}$ dr av 564.383391293 grain $gr$ gr 15432.3583529

# troy & apothecaries

 Unit Symbol Symbol(plain text) Value pound $\text{lb t}$ lb t 2.679228881 ounce $\text{oz t}$ oz t 32.150746569 dram $\text{dr t}$ dr t 257.205972549 pennyweight $\text{dwt}$ dwt, pwt 643.014931373 scruple $\text{s ap}$ s ap 771.617917647 carat $\text{kt}$ kt 4873.37632199 grain $\text{gr}$ gr 15432.3583529 mite  308647.167059 doite  7406798.40398

# Some facts

• The mass is a measure of the amount of substance.
• The mass conception is closely related to the concept of inertia. This is a feature of material objects, which basically means that the body once set in motion retains its speed as long as it will not work on any external forces.
• The mass of body also determines the gravitation force. Any two bodies interact with force directly proportional to the product of their masses.
• There are objects without mass for example photons.
• In the first half of the twentieth century, Einstein created theory saying there is equivalence of mass and energy. This theory is related to one of the most famous physical formulas: E = mc2. The theory has been confirmed experimentally and succesfully applied to create nucler power plant and nuclear weapon. In both cases the energy is "created", while loss of mass is noticed. In other words, the mass is converted into energy.

# How to convert

• Enter the number to field "value" - enter the NUMBER only, no other words, symbols or unit names. You can use dot (.) or comma (,) to enter fractions.
Examples:
• 1000000
• 123,23
• 999.99999
• Find and select your starting unit in field "unit". Some unit calculators have huge number of different units to select from - it's just how complicated our world is...
• And... you got the result in the table below. You'll find several results for many different units - we show you all results we know at once. Just find the one you're looking for.

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