Liters, Gallons, Cups: Kitchen and Fuel Conversions
The most booby-trapped unit family: two gallons, three cups, the pint that changes size mid-Atlantic, and the fuel economy inversion.
Nick (ATV Team)
Celsius to Fahrenheit: Formula, Table and Shortcuts
The two-step formula, anchor points worth memorizing, a mental trick with zero error, and the oven, fever, and weather conversions people actually need.
MB, GB, TB: Data Units and the 1024 Confusion
The two unit ladders, where the missing gigabytes go, why 100 Mbps is 12.5 MB/s, and the size reference table for sanity-checking storage.
MPH to KM/H and Pace: Speed Conversions Explained
Two shortcuts that are secretly a matched pair, the speed limit tables drivers actually meet, the runner’s pace inversion, and the knot.
Unit Conversion: The Only Guide You Need
One principle, a handful of exact factors, five traps (two gallons, GB vs GiB, three tons), and links to every converter and dedicated guide.
CM to Inches (and Feet): Quick Conversions That Stick
The exact factor, the base-12 step where height conversions go wrong, a full height table, and shortcuts with their honest error attached.
KG to LBS: Convert Weight Without Memorizing
Multiply by 2.2 and lose only 0.21%: the shortcuts, the luggage trap that costs real money, and the units around the pound worth knowing.
US Navy Body Fat Method: Tape Measure Accuracy
Estimate body fat with a tape measure: the published Navy formulas, worked examples for both sexes, and the technique that makes the number trustworthy.
Ideal Weight Formulas Compared (Devine, Robinson...)
Four formulas, four different ideals up to 5.8 kg apart, and the surprising history: the most famous one was invented for drug dosing, not health.
Pace Calculator Guide: Race Times and Training Zones
From a 25-minute 5K to a marathon plan: pace math, Riegel predictions, the training paces that build speed, and why the second half should be faster.
Calorie Deficit: How Big Is Safe and Effective
How to size a calorie deficit: the calories-to-fat exchange rate, small vs moderate vs aggressive, and the floors that keep a cut healthy.
TDEE Explained: Find Your Real Daily Burn
The activity multiplier table with honest definitions, the NEAT factor everyone forgets, and the two-week audit that beats every formula.