What Is C25 Concrete and When Should You Use It?
C25 hits 25 newtons per square millimetre at 28 days. It is the sensible minimum for anything a car drives on, and the mix ratio is 1:1.5:3.
Read the guide →Practical guides on ordering, mixing and pricing concrete — written to answer the questions our calculators leave open. No filler, no sales pitch.
C25 hits 25 newtons per square millimetre at 28 days. It is the sensible minimum for anything a car drives on, and the mix ratio is 1:1.5:3.
Read the guide →One cement, two sand, four aggregate. It is the default DIY concrete mix for good reason, and getting it right comes down to how you measure.
Read the guide →A 10x10 slab at four inches takes 56 bags of 80 lb premix. That is 4,480 lb of bags to lift, open and mix — which is exactly why most people should not.
Read the guide →Ready-mix runs £100 to £150 per cubic metre delivered. Order one metre and you can pay half as much again per unit — here is why, and how to avoid it.
Read the guide →Ready-mix runs $125 to $195 per cubic yard delivered. The quote is the easy part — the short-load fee, waiting time and pump hire are what move the final bill.
Read the guide →C25/30, GEN3, ST2, 3,500 psi — four naming systems for the same handful of mixes. Here is what each one means and which to order for the job in front of you.
Read the guide →A pallet of 80 lb bags is 42 bags and just under a cubic yard of concrete. Full pallet counts, yields and weights for US and UK bag sizes.
Read the guide →Ready-mix is quoted per cubic yard in the US and per cubic metre almost everywhere else. Here is what each grade costs in 2026, and the surcharges that catch people out.
Read the guide →A standard mixer truck holds 8 to 10 cubic yards. The more useful question is how much you should order, and why drivers rarely arrive with a full drum.
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