Grammar fix
factor in
take into account (when making a decision or calculation)
to include something as an important part of your decision, plan, or calculation, especially when it might affect the result
Hear it in context
Notice where the phrase sounds natural.
When planning your budget, you need to factor in unexpected expenses like car repairs.
In my opinion, when choosing a university, students should factor in not just the academic reputation but also the cost of living in that city.
Fix the pattern
One small grammar move makes it sound right.
Not: We need to factor the weather in our plans.
Say: We need to factor the weather into our plans. / factor in the weather.
'Factor X into Y' or 'factor in X' — note the 'into'.
Which sounds natural?
Tap the one a native speaker would say.
'Factor in' is the natural verb for including something in a calculation; 'take into consideration' is heavier.
Build natural chunks
Words that usually travel with it.
factor in + variable
- the cost
- travel time
- tax
- inflation