preparing a solution of 1.0 moldm-3 sucrose solution

could anyone please help me by telling me how to make a 1.0 moldm-3 solution of sucrose for an experiment i need to do. i will be using standard household caster or granulated sugar but i dont no the Mr of sugar or the euation of how to work it out from that.
do i just turn the Mr into grammes and then add a litre of water? or do i use m=n/mr and then c=n/v? if anyone could help id be really grateful
thanks
Zoe