Checked bag 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.
Cabin bag sizes by airline: the 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.