Metric unit conversion
Name: _____________________ Date: __________
Show your thinking with numbers, words, or a drawing.
1. Convert 4 litres to millilitres. Give the answer in mL.
2. Convert 5 metres to millimetres. Give the answer in mm.
3. Convert 3 metres to millimetres. Give the answer in mm.
4. Convert 6 kilograms to grams. Give the answer in g.
5. Convert 3 metres to centimetres. Give the answer in cm.
Answer key · Metric unit conversion
1. 4000
There are 1000 millilitres in 1 litre.
4 × 1000 = 4000 mL.
2. 5000
There are 1000 millimetres in 1 metre.
5 × 1000 = 5000 mm.
3. 3000
There are 1000 millimetres in 1 metre.
3 × 1000 = 3000 mm.
4. 6000
There are 1000 grams in 1 kilogram.
6 × 1000 = 6000 g.
5. 300
There are 100 centimetres in 1 metre.
3 × 100 = 300 cm.
Try it together
Choose three objects at home. Estimate their measurements, then check together and explain the differences.