Mathematics · Grades 6–8
Measurement & time · Formula sheet
Rules, conditions and small examples in one printable reference.
Remember this
Kilograms and grams
Multiply kilograms by one thousand to express the same mass in grams.
1 kg = 1,000 g
22.5 × 1000 = 22500
Convert speed units
One kilometre is 1000 metres; one hour is 3600 seconds.
1 m/s = 3.6 km/h
19 × 3.6 = 68.4
Further reading and review references
These are reference links, not copied exercises, institutional endorsement or proof of independent review.
Learning preview · teacher review required. Grade bands are approximate, not official curriculum alignment.