Distance
Speed x Time
Speed
Distance/Time
Time
Distance/Speed
Force
Pressure x Area
Pressure
Force/Area
Area
Force/pressure
mm to cm
divide by 10
cm to m
divide by 100
m to km
divide by 1000
km to m
times by 1000
m to cm
times by 100
cm to mm
times by 10
g to kg
divide by 1000
kg to tonnes
divide by 1000
tonnes to kg
times by 1000
kg to g
times by 1000
ml to litre
divide by 1000
litre to ml
times by 1000
Force,Area and pressure
N/cm2 (squared) or N/m2 (squared)