450 nanometres. Or 4.5*10-7 metres.
In round figures, 1 meter = 3.281 feet 1 foot = 0.305 meter
METER
Expressed in figures, this is equal to 1,700,000.
nanometer
10-9 meter
Expressed in figures, this is equal to 5500000000.
Expressed in figures, this is equal to 700,000,000,000.
Expressed in figures, this is equal to 5000.
Expressed in figures, this is equal to 2,600,000.
Expressed in figures, this is equal to 6,675,000,000.
Expressed in figures, this is equal to 187,900,000.
Expressed in figures, this is equal to 2,300,000.