A standard size coffe can is APPX 1 lbs. also, your local pool supply store (or wherever you get D.E. from) should have a scoop that holds 1 lbs. tritonunderwater.com
You would use meters.
Liters measure the volume of something so to measure the amount of water in the pool you'd use liters
Meters.
Pound can represent the mass of a body Pound is also the British currency Ounce can be used to measure mass Fluid ounce can be used to measure volume
Newtons.
Usually, yards or meters are used to measure a pool. So, if you are able to get on deck, you can just use a tape measure. Most pools are 25 feet or meters, depending on the location.
You use a kitchen scale.
If you want to measure a pound of feed for a horse, it is a good idea to use a scale. A scale will be the most accurate way to measure a pound of feed.
You can measure a swimming pool b cubic meters or gallons.
It depends on the type and concentration of the pool shock. In general, 1 pound of pool shock can treat about 10,000 to 15,000 gallons of water in a swimming pool. You should always refer to the specific product label for instructions on how much to use.
Liters
If you do not want to do complex calculations, you can use non-chlorine shock which is Potassium Monopersulfate. It comes in one pound packages. Throw in 1 lb every two weeks if it is a lightly used pool, 2LB every two weeks if it is a heavier used pool. 3LB if you regularly pee in the pool.