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Days to Months

Convert days to months for lease calculations, subscription planning, and long-term scheduling. Understand your day count in monthly terms.

Converting Days to Months

Converting days to months helps with long-term planning where monthly periods make more sense. Lease agreements, subscription trials, and project phases often span multiple months.

Since months vary in length (28-31 days), this converter uses the average: 1 month ≈ 30.44 days (365.25 days ÷ 12).

Common Applications

  • Rental agreements - Convert lease days to months
  • Subscription trials - 30-day to 1-month comparison
  • Pregnancy tracking - Days to months progression
  • Project timelines - Long-term planning in months
  • Visa durations - Stay limits in different units

Reference Table

DaysMonths (approx)
300.99
601.97
902.96
1805.91
36511.99
73023.98

How to Convert Days to Months

Using This Tool

  1. Enter days in the input
  2. View months as a decimal value
  3. Use for planning leases or subscriptions

The Formula

Months = Days ÷ 30.44

(Using average month length of 30.4375 days)

Examples

  • 45 days: 45 ÷ 30.44 = 1.48 months
  • 90 days: 90 ÷ 30.44 = 2.96 months
  • 180 days: 180 ÷ 30.44 = 5.91 months

Note on Month Length

Actual months vary:

  • February: 28-29 days
  • April, June, September, November: 30 days
  • Other months: 31 days

Features

Accurate Average

Uses the Gregorian calendar average of 30.4375 days per month for consistent results.

Instant Results

See months appear immediately as you type days.

Reversible

Swap to convert months to days with one click.

Copy Ready

Copy results for contracts, agreements, or planning documents.

Reference Guide

Common day-to-month conversions displayed for quick checks.

Universal

  • Real estate - Lease calculations
  • SaaS - Subscription planning
  • HR - Employment terms

Frequently Asked Questions

How many months is 90 days?

90 days equals approximately 3 months (exactly 2.96 using the average month).

Is 30 days the same as 1 month?

Nearly - 30 days equals about 0.99 months. The average month is 30.44 days, so 30 days is slightly less than one full month.

How many months is 180 days?

180 days equals approximately 6 months (5.91 precisely).

Why don't you use exactly 30 days per month?

Months vary from 28-31 days. Using the average (365.25 ÷ 12 = 30.4375 days) gives more accurate long-term conversions.

How many days in a year?

A year has 365 days (366 in leap years). The average is 365.25 days accounting for leap years.

What about leap years?

The conversion uses 365.25 days per year to account for leap years, making long-term calculations accurate.

d
mo

Rental & Lease Periods

15 d=0.49 mo
30 d=0.99 mo
45 d=1.48 mo
60 d=1.97 mo
90 d=2.96 mo
180 d=5.92 mo

Day (d)

Important for medication schedules, recovery times, and tracking daily health habits.

Month (mo)

Common unit for rental agreements, lease terms, and contract durations.

Uses average month of 30.44 days
Ideal for lease calculations
90 days ≈ 3 months
Plan subscription periods accurately
Want to learn more? Read documentation →
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