Calculate your Weekly and Monthly rent in the right way
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How to calculate week or monthly rent made simp by MultiQuoteTime
Easily convert weekly rent to the equivalent monthly rent and monthly rental to weekly rent with our easy-to-use rent weekly to month rent calculator. Designed for both landlords and tenants
How to Calculate Monthly Rent from Weekly Rent
Let’s begin by sating that converting from weekly to monthly is never the case of multiply the weekly rent by 4, that would be too easy. The calculation is a little bit more complicated, but fairly straightforward.
For Monthly to Weekly = Monthly = ((weekly_amount*12)/365.25)*7
How to Calculate Weekly Rent from Monthly Rent
For Weekly to Monthly = Weekly =(monlthly_amount/7)*365.25)/12
In English in order to get the weekly rent, take the monthly rent and multiply it by 12, giving an annual rental amount. This is then divided by 365.25 which is the average number of days in a year. The average number of days includes leap years. Average number of days = (3365*3 +364 )/ 4 = 365.25
How we arrive at the average number of days per year
Average number of days = (3365*3 + 364) / 4 = 365.25
To get the average, we need to include the fact that a leap year will occur every 4 years.
The wrong way to derive monthly rent from weekly rent
Rent Per Week x 52 / 12 = monthly rent
The simplistic approach is to multiply the weekly amount by 52 and divide by 12 this is clearly incorrect and can lead to a difference of a few pounds.
Need an Example?
Let’s look at an example. Assume weekly rent is £100 this would then work out as follows:
100 x 52 / 12 = 433.33
The actual Monthly Rent using our calculator is £434.82 NOT £433.33
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Landlord Costs
If you are a landlord using our tool, you may also be interested in our article on the average cost of landlord insurance within the UK and the free insurance comparison service that is also available.
Checkout MultiQuoteTime.co.uk other helpful tools
We have developed some tools that may help you with working out the cost of car insurance or simply finding out how many work days exist between two dates.
- Updated: 10 March 2025
- Reviewed by Eamonn Turley Insurance Expert