Useful

Measurements

Pre-cuts
Fat quarters: 18''x22'' (45.7cm x 55.9cm)
Layer cake: 10''x10'' (25.4cm x 25.4cm)
Charm pack: 5"x5" (12.7cm x 12.7cm)
Swiss roll: 2.5"x42" (6.35cm x 106.7cm), usually 20 strips
Jelly roll: 2.5"x44'' (6.35cm x 111.8cm), usually 40 strips
Honey bun: 1.5"x44" (3.8cm x 111.8cm), usually 40 strips

IKEA (UK and Sweden)
Child pillow cover: 35x55 cm
Child duvet cover: 110x125 cm
Baby cot mattress: 60x120 cm