Cigar Humidor Calculator
Humidification device sizing for a humidor room.
Enter your values
Enter the room length in ft.
Enter the room width in ft.
Enter the ceiling height in ft.
Enter the coverage per pint/day in cu ft.
Results update instantly as you type — no submit needed. Your values are remembered on this device, and the shareable link reopens the calculator with exactly these numbers.
- Room volume
- 384 cu ft
- Humidifier output needed
- 1.28 pints/day
- Suggested unit size
- Small cabinet humidifier
- Target humidity
- 68-70% RH at 65-70F
Quick answer
Walk-in humidors typically need about 1 pint of moisture output per day for every 250-350 cubic feet of well-sealed space.
Output (pints/day) = volume / coverage rate
At a glance
| What it does | Humidification device sizing for a humidor room. |
|---|---|
| Category | HVAC & Airflow |
| Inputs needed | Room length, Room width, Ceiling height, Coverage per pint/day |
| Main output | Room volume |
| Formula | Output (pints/day) = volume / coverage rate |
| Cost | Free — no sign-up, no download |
How to use the Cigar Humidor Calculator
- 1Measure the humidor room's internal dimensions.
- 2Divide the volume by the coverage rate of the humidification device.
- 3Round up to the next available unit size for a margin against door openings.
Inputs explained
- Room length(ft)
- Enter the room length in ft.
- Room width(ft)
- Enter the room width in ft.
- Ceiling height(ft)
- Enter the ceiling height in ft.
- Coverage per pint/day(cu ft)
- Enter the coverage per pint/day in cu ft.
Worked example
Using the values the calculator loads with:
Inputs
- Room length8 ft
- Room width6 ft
- Ceiling height8 ft
- Coverage per pint/day300 cu ft
Results
- Room volume384 cu ft
- Humidifier output needed1.28 pints/day
- Suggested unit sizeSmall cabinet humidifier
- Target humidity68-70% RH at 65-70F
Frequently asked questions
Why does door traffic matter?
Every opening exchanges humid air for dry room air, so busy humidors need extra output capacity.
Do I need dehumidification too?
Only in humid climates — most humidors need active humidification, not removal.
What do I need to enter into the Cigar Humidor Calculator?
Just 4 values: room length, room width, ceiling height, coverage per pint/day. Every field starts with a realistic example, so you can change one number at a time and watch the result update instantly.
How does the Cigar Humidor Calculator work out the answer?
Walk-in humidors typically need about 1 pint of moisture output per day for every 250-350 cubic feet of well-sealed space. It applies the formula Output (pints/day) = volume / coverage rate and shows the working so you can check each step by hand.
Is the Cigar Humidor Calculator free, and do I need an account?
It is completely free with no sign-up, no download and no usage limit. Everything is calculated in your browser, so the numbers you type never leave your device.
Results are estimates for general information. For medical, legal, structural or financial decisions, confirm with a qualified professional.