Countdown Calculator Formula

Understand the math behind the countdown calculator. Each variable explained with a worked example.

Use the Countdown Calculator

Formulas Used

Weeks

weeks = floor(days_remaining / 7)

Remaining Days

remaining_days = days_remaining - floor(days_remaining / 7) * 7

Total Hours

total_hours = days_remaining * 24

Total Minutes

total_minutes = days_remaining * 1440

Variables

VariableDescriptionDefault
days_remainingDays Remaining(days)45

How It Works

How to Break Down a Countdown

Convert days into larger and smaller units for perspective.

Conversions

  • Weeks = floor(Days / 7)
  • Hours = Days x 24
  • Minutes = Days x 1,440

    • Worked Example

    45 days until a vacation.

    days_remaining = 45
    1. 01Weeks = floor(45 / 7) = 6 weeks
    2. 02Remaining days = 45 - 42 = 3 days
    3. 03Total hours = 45 x 24 = 1,080 hours
    4. 04Total minutes = 45 x 1,440 = 64,800 minutes

    Ready to run the numbers?

    Open Countdown Calculator