Subcategories:
You can see the full category hierarchy on the Category Map.
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| 100% | ANGSTROM | A Nitpicking Grump's Seriously Teenchy Register Of Measurement | Tony McCoy O'Grady | 
| 100% | BOLT | Bit Of Lovely Tweed | Tony McCoy O'Grady | 
| 100% | CALORIE | Cannot Allow Living Off Rapturous Impulsive Eating | Rico Leffanta Food & Drink | 
| 100% | CALORIE (2) | Can A Living Organism Release Its Energy? | Angela Brett | 
| 100% | CANDELA | Calculating A Non-Dark (Electrically Lit?) Area | Tony McCoy O'Grady | 
| 100% | CAPACITIES | Cupful And Pint And CC, Intended To Itnternationalise Exact Standards | Tony McCoy O'Grady | 
| 100% | CORD (2) | Chopper Organises Ready Deadwood | Tony McCoy O'Grady | 
| 100% | COULOMB | Charge Of Umpteen Leptons, One Magnetism Below | Angela Brett (One Magnetism Below referring to the leptons in question having electromagnetic charge of -1) | 
| 100% | DECIBEL | Do Echoing Chords Injure Bandmembers' Eardrums, Lately? | Tony McCoy O'Grady | 
| 100% | DYNE | Do You Need Energy? | Tony McCoy O'Grady | 
| 97% | ESTIMATING AND COMPARING CAPACITY | Essential Skill Today Is Measuring Approximately - That Is, Nearest-Guess About Next Drink's Content Of Methanol-like Poison. Alcoholics Reason, 'If New Glass Contains A Paltry Amount, Cheers, I'll Take Yours.' | Angela Brett Food & Drink:Drinks:Alcoholic | 
| 100% | FOOT | Frequently, One Of Three | Tony McCoy O'Grady (The foot is usually overshadowed by the Yard, which is three foot long) | 
| 100% | GRAMME | Gravity 'Reaching At' Mass, Measures Everything | Tony McCoy O'Grady | 
| 100% | HENRY | Has Electricity Not Registered Yet? | Tony McCoy O'Grady | 
| 100% | HERTZ | Have Everything Recalibrated To Zero | Tony McCoy O'Grady | 
| 100% | HZ | Hearing Zone | Jan Morgan (Hz is usually short for Hertz) | 
| 100% | INCH | It's Not Considered Highbrow | Angela Brett | 
| 100% | KNOT (2) | Keeps Navigators On Target | Angela Brett | 
| 100% | LIGHT YEAR | Lightspeed Information Gets Here To Yonder Each Annual Rotation | Angela Brett | 
| 100% | MEASUREMENTS | Must Ensure Accurate Size Using Ruler - Errors Mean Everything's Now Too Short! | Angela Brett and Patricia Rix | 
| 100% | MEASUREMENTS (2) | Many Early Artisans Surely Used Reliably Established Methods - Eliminating Nasty Tradesmen's Scams | Tony McCoy O'Grady | 
| 100% | METRE | Measured Equator To Rotator's Extremities | Angela Brett (the metre was originally intended to be one ten millionth of the distance from pole to equator.) | 
| 100% | METRICS | Marking Each Thousandfold Range Is Convenient Symbol | Angela Brett | 
| 100% | METRICS (2) | Metre Equals Three Rather Inconsiderable Consecutive Steps | Patricia Rix | 
| 100% | METRICS (3) | Measuring Equipment That Reads In "Centi-" Scales | Tony McCoy O'Grady | 
| 100% | MILES (3) | Marching Imperial Legions Established Standard! | Tony McCoy O'Grady - The mile as a unit of length is of Roman military origin, being 1000 paces (a double step.... counting 1 every time the right foot hit the ground) History | 
| 100% | MOLE | Measurement Of Lumpiness, Evidently | Tony McCoy O'Grady | 
| 100% | MOLE (2) | Molecules Of Large Enumeration | Angela Brett | 
| 100% | NEWTON (5) | Normally Expresses What "Thump" Offers, Numerically | Tony McCoy O'Grady | 
| 100% | PASCAL | Pressure And Stress Calculations Are Lengthy | Tony McCoy O'Grady | 
| 100% | VALENTINE (4) | Venus And Lips Entangle Naturally To Indicate Numerical Expression | Tony McCoy O'Grady, proposing that the "Valentine" should be the SI unit of kisses. People & Relationships:Love & Lust | 
| 100% | YARDSTICK | Ye Auld Ruler... Do Stop Talking Imperial - Count Kilometres! | Angela Brett |