Weight and Height Conversion Formula
Imperial / Metric


Imperial to Metric

feet

=

cm / 30.48

inches

=

cm / 2.54

inches (remaining)

=

inches - (floor(feet) * 12)

lbs

=

kg / 0.45359

stones

=

kg / 6.35026

lbs (remaining)

=

lbs - (floor(stones) * 14)

floor = only integer part

Metric to Imperial

cm

=

(feet * 30.48) + (inches * 2.54)

kg

=

(lbs * 0.45359) + (stones * 6.35026)



1 foot

=

30.48 cm

1 inch

=

2.54 cm

1 lbs

=

0.45359 kg

good to know: 12 inches = 1 foot, 14 lbs = 1 stone



1 cm

=

0.3937 inches

1 kg

=

2.2046 lbs

good to know: 100 cm = 1 m



Examples

How many feet and inches is 127 cm?

127 cm / 30.48 cm = 4.167   = feet     floor(4.167) = 4
127 cm / 2.54 cm = 50   = inches total
50 - (4 * 12) = 2   = inches remaining
127cm = 4 feet and 2 inches

How many cm is 6 feet and 3 inches?

(6 * 30.48 cm) + (3 * 2.54 cm) = 190.5 cm

How many stones and lbs is 65 kg?

65 kg / 6.35026 kg = 10.236   = stones     floor(10.236) = 10
65 kg / 0.45359 kg = 143.301   = lbs total
143.301 - (10 * 14) = 3.301   = lbs remaining
65 kg = 10 stones and 3.3 lbs


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Height and Weight Conversion