The following abbreviations are often used to describe various measurements on a sailboat. Precise technical definitions exist for each abbreviation, but the following is a list of simple descriptions.
| LOA | Длинна Overall - overall tip-to-tip length of the boat |
| LWL | Длинна Waterline - length of waterline of the boat |
| DWL | Design Waterline -theoretical waterline length of boat as opposed to LWL, which is actual waterline length |
| BMX | Beam Maximum - width of the boat at the widest point |
| BWL | Beam Waterline - widest beam of boat at the waterline |
| I | Height of the foretriangle measured from the top of the highest sheave to the sheerline |
| I2 | Height of staysail halyard above deck |
| J | Base of the foretriangle measured from the front of the mast to the intersection of the forestay and deck |
| J2 | Base of staysail triangle |
| P | Luff length of the mainsail |
| E | Foot length of the mainsail |
| LP | Shortest distance from headstay to the clew of the jib |
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