Marc weighs 45 kg but his mother only understands weight in stones and pounds. If 1 kg = 2.2 pounds, and there are 14 pounds in a stone, what is Marc’s weight in stones and pounds?

Sarah’s dad is 6 feet tall. If 1 inch = 2.54 cm, how tall is Sarah’s dad in cm (to the nearest cm)?

A bath contains 80 litres of water. The plug is removed, and the water goes down at a rate of 250 ml per second. How long will it take for the bath to empty?

Stephen’s garden pond is 4 feet deep, 6 feet long and 5 feet wide. How much water will Stephen need to fill his pond? Tip: 1 litre = 0.0353 cubic feet

If 1.61 km = 1 mile, how many miles is 783 kilometres (to the nearest mile)?

A tanker is loaded with 40,000 litres of petrol. It drops 15,000 litres off at one petrol station, and 12 million millilitres at a second. How much petrol is left inside the tanker?

What is the name of the imperial unit of area, approximately equal to 4,047 m ?

How many cubic inches are there in 1 cubic foot?

1 ounce = 28.34 g. What is the symbol for ounces?

The average person eats 900 kg of food a year. How many lbs of food is that if 1 pound = 0.454 kg?