Conversion tips, real-life examples and app news.
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 →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 →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.
Read more →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 →350°F is 180°C, gas mark 4, or 160°C fan. The complete five-scale oven chart, a printable PDF, and when to use the fan at all.
Read more →23 kg = 50.7 lbs, but 50 lbs = only 22.7 kg. That 300-gram gap is exactly where overweight fees live.
Read more →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.
Read more →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 →1 inch = 2.54 cm, so a 55 inch TV is 140 cm. But that is the diagonal, not the width, and that difference has broken a few TV stands.
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