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Convert duration values from nanoseconds through weeks.
Duration conversion treats a day as exactly 24 hours and a week as exactly seven days. Calendar months and years vary in length and belong in the Date Calculator instead.
Choose a measurement category and two units, then enter any finite positive or negative value allowed by that measurement. Adjust decimal places when the result needs more detail. Swap Units reverses the direction without discarding the current value.
Length · Area · Volume · Weight · Temperature · Speed · Pressure · Energy · Power · Data Storage · Frequency · Time · Angle
Celsius to Fahrenheit · Fahrenheit to Celsius · KG to LBS · LBS to KG · CM to Inches · Inches to CM · KM to Miles · Miles to KM · Liters to Gallons · Gallons to Liters · MB to GB · GB to MB
Calculations run locally. Display precision only changes the visible result; the converter keeps the full JavaScript numeric value for the next calculation.