How to take measurements correctly:
Always measure at the widest area of your bust. The tape measure should go around in a straight line and wear bras or bralettes if you would usually wear with the desired item. By doing so the fit won’t be to tight if you want to wear a bra.
Measure around your waist in a straight line. Your waist is the narrowest part of your torso. Avoid sucking in or expanding your tummy. Pro-tip: Inhale and exhale to relax your stomach before measuring. Your waistline may vary depending on if you’ve just eaten or not.
Measure around the widest area of your bottom, which usually is around 22 to 24cm beneath your waistline. Again, mind that the tape measure runs in a straight line.