This page contains a calculator to quickly calculate the amount of energy released by a quantity of mass in accordance
with E = mc
2
with 100% efficiency. Note that the mass can be composed of anything -- uranium, iron, apples, soup or
fluff. Outside of special experiments, such as those carried out using accelerators such as CERN, even the most efficient
conversion is limited to around 20%, which given the energy that could be released is probably just as well.
Other pages in this series look at the equation’s meaning and how to solve it quickly and easily.
A pound to kilogram converter can be found here (opens in a new tab).
E = mc
2
Calculator
It’s clear that there’s a huge amount of energy locked up in even a small amount of mass! Even so, the Sun converts
around 4 million tonnes (4.4 million tons) of mass into energy every second through a process of nuclear fusion.
Thankfully, it will keep doing so for quite a while yet.
Speed, Power,
Momentum, Gravity
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Quick and easy summaries of relativity and related subjects
E = mc
2
Calculator
[ Special Relativity ] [ General Relativity ] [ Einstein ] [ Time Dilation ]
[ Black Holes ] [ Twin Paradox ] [ Time Dilation Formula ]
E = mc
2
Calculator
This page contains a calculator to quickly calculate the amount
of energy released by a quantity of mass in accordance with E
= mc
2
with 100% efficiency. Note that the mass can be
composed of anything -- uranium, iron, apples, soup or fluff.
Outside of special experiments, such as those carried out using
accelerators such as CERN, even the most efficient conversion
is limited to around 20%, which is probably just as well.
Other pages in this series look at the equation’s meaning and
how to solve it quickly and easily.
A pound to kilogram converter can be found here (opens in a
new tab).
It’s clear that there’s a huge amount of energy locked up in even
a small amount of mass! Even so, the Sun converts around 4
million tonnes (4.4 million tons) of mass into energy every
second through a process of nuclear fusion. Thankfully, it will
keep doing so for quite a while yet.
E = mc
2
Calculator
Quick and easy summaries of relativity and related subjects
[ Time Dilation Formula ] [ General Relativity ] [ Einstein ]
[ Time Dilation ] [ Black Holes ] [ Twin Paradox ]
