Cups to grams conversion: a cook's cheat sheet
A cup of flour and a cup of sugar do not weigh the same. Here is how to convert cups to grams the right way.
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Conversion tips, real-life examples and app news.
Height conversion chart: feet and inches to cm, stone to kg
5'10" is 177.8 cm, not 155: feet and inches are base 12, and typing 5.10 into a calculator is the classic trap.
Read more →Shoe size conversion chart: US to EU, UK and Japan for men and women, plus foot length in inches and cm
A US men's 7½, a US women's 9 and a European 40 fit the same foot. Measure your foot once, then read your row: US, UK, Europe, Japan, Mexico, Brazil and Australia.
Read more →Printable ring sizer chart: find your ring size at home, then read it in any country's system
Every ring size system measures the same thing: the inside of the ring. Print the sizer at 100 %, check it against a bank card, and read your size in the US, UK, EU and Japanese systems.
Read more →23 kg luggage: the 50 lb trap that costs money at check-in
23 kg = 50.7 lbs, but 50 lbs = only 22.7 kg. That 300-gram gap is exactly where overweight fees live.
Read more →A4 vs Letter: the full paper size chart, and why your PDF gets cut off
A4 is 210 × 297 mm, Letter is 216 × 279 mm. Letter is wider but 18 mm shorter, and those 18 mm are why your last line disappears.
Read more →Baggage allowance by airline: weight, size and what one kilo over costs
23 kg and 158 cm almost everywhere, 50 lb and 62 in in the US. What changes is the price of being over: a flat 50 to 100 euros on most network airlines, 12 to 15 euros per kilo on low-cost ones.
Read more →Cake pan sizes: the conversion chart in inches and cm, with volumes and the swaps that work
A 9-inch round and an 8-inch square hold the same batter. A 20 cm tin is an 8-inch, a 24 cm is a 9-inch plus 10 %. Two 9 × 13 make a half sheet. The whole chart, and the rule for everything else.
Read more →Carry-on size by airline: the cabin bag chart in cm and inches, and what the gate charges
The free low-cost bag is 40 × 30 × 20 cm, the standard cabin bag 55 × 40 × 23 cm, the US carry-on 22 × 14 × 9 in. Every airline in one chart, plus the soft-bag rule the sizer applies.
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