MONTHSBETWEEN DATES
Calculate how many months, weeks, and days lie between any two dates.
Total Months
12months
Years & Months
1y 0m
Total Days
365
Total Weeks
52
Remaining Days
1
Calculate
What is a months between dates calculator?
It calculates the exact number of calendar months (and days) between any two dates. Most useful for contract periods: tenancy agreements, fixed-term employment, mortgage terms, and notice periods.
How it calculates months
The calculator counts complete calendar months between the start and end date, then shows the remaining days. It also shows total days and weeks.
Enter dates
Select a start and end date using the date pickers.
Read results
The result shows total months, years+months breakdown, total weeks, and total days.
Calculation method
Calendar months are counted directly. The remaining days after complete months are also shown.
Tips & Best Practices
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A 6-month AST tenancy: landlord cannot give notice before month 4 to end at month 6
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3-month notice periods in senior roles often start on the first day of the following month
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A 2-year fixed mortgage: use this to check when your deal ends and when to start remortgaging
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Tax year runs 6 April to 5 April — exactly 12 months
Frequently Asked Questions
Mandeep Singh · 25+ Years UK Financial Services
Important Information
This calculator is for informational purposes only and does not constitute financial advice or a personal recommendation.
Results are estimates based on the information you provide and may not reflect your actual financial position.
You should consider seeking independent professional advice tailored to your specific circumstances before making any financial decision.