Convert between imperial and metric measurements
Convert a length, weight, or volume between imperial and metric units using a given conversion factor. Unlimited questions, five difficulty levels, and a full worked solution every time — free.
Try one
The diagonal of a phone screen measures 8 inches. What is that in centimetres? (1 in = 2.54 cm) Round to one decimal place.
Answer: 20.3
See one solved, step by step
A road trip covers 21 miles. About how many kilometres is that? (1 mi = 1.609 km) Round to one decimal place.
📘 Worked solution
121 mi · 1.609 km/miMultiply by the conversion factor: 1 mile is about 1.609 km.
2= 33.8 kmMultiply it out and round to one decimal place.
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