ᐅ Building a wall: how much is 7 cubic meters...?

Mixing 7 cubic meters of concrete is quite a challenge. I would order ready-mixed concrete delivered by truck. With a few helpers, wheelbarrow unloading is also possible, but it comes with an additional cost. Otherwise, just use a standard concrete mix recipe, which you can easily find online.
Best regards

I was asking about the tons for 7 cubic meters (7cbm) — how much gravel/sand would that be?

Is the rule of three already too difficult? When is it taught? 4th grade? 5th grade? It used to be called word problems.

Necessary information can be found on every bag of cement or online.

And the conversion from tons to cubic meters will be handled by the appropriate supplier.

The concrete mix recipe specifies how many kilograms of aggregate, cement, and water are needed. This can then be converted into cubic meters based on the bulk density of each material. I know the density of water by heart: 1 kg/dm³ (62.4 lb/ft³) :-)

Is that complex