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The EU should use Joules not calories (en.wikipedia.org)

submitted 1 week ago by NorskSud@lemmy.pt to c/buyfromeu@feddit.org

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Joule is the metric system unit to measure the energy in food, however we still see calories being used everywhere, specially advertising and fitness influencers. Let's stop this nonsense.

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[–] Blue_Morpho@lemmy.world 15 points 1 week ago (1 children)

But calories are metric!

" the heat energy needed to raise the temperature of 1 gram of water by 1 °C "

[–] NorskSud@lemmy.pt 4 points 1 week ago (2 children)

From Wikipedia:

However, the calorie is not part of the International System of Units (SI), and is regarded as obsolete,[2] having been replaced by the SI derived unit of energy, the joule (J),[9] or the kilojoule (kJ) for 1000 joules.

[–] Kornblumenratte@feddit.org 7 points 1 week ago (1 children)

Calories are CGS units, which is a metric system.

What you want to argue is that they are not SI units.

Metric ≠ SI

[–] Mubelotix@jlai.lu -1 points 1 week ago (1 children)

Wikipedia disagrees with you

[–] Kornblumenratte@feddit.org 1 points 6 days ago (1 children)

No, it doesn't

relevant citation, highlighting by me:

The centimetre–gram–second system of units (CGS or cgs) is a variant of the metric system based on the centimetre as the unit of length, the gram as the unit of mass, and the second as the unit of time.

[–] Mubelotix@jlai.lu 1 points 6 days ago

Read that again

[–] gandalf_der_12te@feddit.org 1 points 1 week ago

i do like kWh (1000 Watt * 1 hour) even though it's not metric. because it's useful in everyday life.