NPT DİŞ (ANSI B1.20.1)
DİŞ TİPİ DİŞ ÇAPI D DİŞ AKSI D2 DİŞ ARALIĞI P DİŞ ADEDİ Z
NPT 1/4" 13,716 12,7635 1,337 18
NPT 3/8" 17,145 16,1925 1,337 18
NPT 1/2" 21,336 20,1115 1,814 14
NPT 3/4" 26,670 25,4455 1,814 14
NPT 1 33,401 31,9100 2,208 11,5
NPT 1 1/4" 42,164 40,6730 2,208 11,5
NPT 1 1/2" 47,800 ---- 2,208 11,5
NPT 2" 60,325 58,8340 2,208 11,5
NPT 2 1/2" 73,025 70,8817 3,175 8
NPT 3" 88,900 86,7567 3,175 8
NPT 4" 114,300 112,1567 3,175 8
AĞIRLIK
1 ons (oz) = 437,5 grains = 28,350 g
1 pound (ıb) = 16 oz = 0,4536 kg
1 stone = 14 b = 6,35 kg
1 ton = 2,240 ıb = 0,0161 t
1 gram (g) = 1,000 mg = 0,0353 oz
1 kilogram (kg) = 1,000 g = 2,2046 ıb
1 ton = 1,000 kg = 0,9842 ton
UZUNLUK
1 inch = 0,027 yard = 2,54 cm
1 ft = 12 inch = 0,31 m
1 yard = 3 ft = 0,91 m
1 mil = 5,280 ft = 1,60 km
1 cm = 0,032 ft = 0,39 inch
1 m = 36 inch =1,09 yard
1 km 1,760 yard = 0,62 mil
HACİM
1 kübik yard = 27 cu ft = 0,77 m3
1 pint (pt) = 4 gills = 0,57 L
1 galon (gal) = 8 pt = 4,55 L
1 desimetreküp = 1,000 cm3 = 0,04 cu ft
1 metreküp (m3) = 1,000 dm3 = 1,31 cu yd
1 litre (L) = 1 dm3 = 0,22 gal