Hello doctor i want to know how will i masure...

How Much Is 0.25 Ml In A Syringe?
A syringe is a device used to measure and inject fluids. The size of a syringe is typically denoted by the volume of fluid it can hold, and is usually expressed in milliliters (mL). A 0.25 mL syringe can hold a quarter of a milliliter of fluid.
In other words, if you use a half-syringe, you will only be filling it half way, and the amount of filler you use will be much lower. It’s an excellent option for people who want to avoid visible injections or those who are just starting out and don’t want to use too much filler.
You’ll need to inject with a half-syringe because the half-syringe requires more precision. Because there is less filler in the syringe, the needle will easily slip and cause unintentional damage.
If you’re looking for a way to avoid visible injections but still get the desired results, a half-syringe is the way to go