Grammar fix
go fifty-fifty
split equally
To share a cost equally between two people.
expression
How oftenCommon
LevelB1
Used inMostly spoken
Hear it in context
Notice where the phrase sounds natural.
We went fifty-fifty on the concert tickets.
For expensive presents, my sister and I usually go fifty-fifty because neither of us wants to pay the whole amount.
Fix the pattern
One small grammar move makes it sound right.
Not: Let's go fifty-fifty the meal.
Say: Let's go fifty-fifty on the meal.
Use 'on' before the thing whose cost you are sharing.
Don't confuse it
Other ways to say it
Pay an equal share each
How many peopleAny groupTwo people
split the billDivide a meal's total equally among the people eating.
go fifty-fiftyYou're here · Two people each pay half. Works in both UK and US English; 'go halves' is the more British-sounding choice.
go halvesEspecially British: agree that two people will each pay half.