hp means horse power, and KW means kilowatt.
mm means millimetre, and cm means centimetre. 1" means 1 inch.
nm means nanometre, and um means micron.
ft means feet, and M means meter.
yd means yard.
KM means kilometer.
Mass & Weight:
1oz ≈ 31.1g
g means gram, and oz means ounce.
lb means pound, and KGS means kilograms
MT means metric ton.
1km² = 1 000 000M²
1hm² = 1hectare = 1ha = 100are = 10000M² = 15mu (mou)
1acre ≈ 4047M²
1mu (mou) = 667M²
1yd² = 9ft² = 0.836M²
1ft² ≈ 0.093M²
hm² means square hectometer.
Volume & Dimension:
1 KGS ≈ 10N
1 ton ≈ 10KN
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