How much sand, water and cement do i need?

[Ben]

Hello,

I need to make a concrete base for my new shed to sit on. I dont understand the online concrete converter :? can someone help me?

I need to make a concrete floor that mesaures:
(h) 9.22 ft (w) 4.23 ft (d) 3 inch

How much sand, cement and water do I need?

please reply asap

Thankyou for your time.

[thedoctor]

Use a tape measure to convert the measurements to metric (3inches = 75mm) and put them in the concrete calculator. It will tell you exactly how much you need. You will need to do this to order the materials anyway.