Alcohol Stove Burn Time by Volume Calculator

Alcohol Stove Burn Time by Volume Calculator

Estimate flame time, usable cooking time, fuel reserve, refill count, and trip cooking cycles from your alcohol stove and measured fuel volume.

Named Stove Presets

📏Fuel and Stove Inputs

Burn rates are planning estimates. For best accuracy, run one timed boil with your pot, stand, windscreen, and fuel, then enter the measured ml/min value.

Total Flame Time
0 min
before reserve holdback
Usable Cooking Time
0 min
after reserve and loss
Adjusted Fuel Rate
0 ml/min
field-adjusted flow
Cooking Cycles
0
target cycles from usable time
Fuel entered0 ml
Prime, spill, and dead-volume loss0 ml
Usable fuel before reserve0 ml
Reserve held back0 ml
Fuel available for cooking0 ml
Base stove rate and adjusted rate0 ml/min
Required refills at selected stove fill limit0
Trip fuel needed for selected days and cycles0 ml
Energy carried in starting fuel0 kJ
Formula: adjusted rate = measured stove rate x flame setting x fuel factor x field condition. Usable minutes = (fuel volume - loss - reserve) / adjusted rate. Refill count = ceiling(starting fuel / fill limit).

🧪Fuel Specification Comparison

20.5
kJ/ml denatured blend
21.1
kJ/ml ethanol rich fuel
15.8
kJ/ml methanol camp fuel
29.57
ml in 1 US fluid ounce
1.1-1.4
ml/min efficient simmer
1.5-1.9
ml/min common brass burner
2.0-2.4
ml/min fast open-jet stove
10-20%
reserve for relights and wind

🔥Named Stove Burn Rate Reference

Stove or Burner Planning Rate Common Fill Full-Fill Burn Best Use in Calculator
Trangia Spirit Burner1.60 ml/min100 ml62 minSteady meals and simmer-ring cooking
Esbit Alcohol Burner1.70 ml/min70 ml41 minCompact solo kits with screw-cap storage
Evernew Titanium Alcohol Stove2.00 ml/min60 ml30 minFast boil estimates and wide flame pots
TOAKS Siphon Alcohol Stove1.80 ml/min80 ml44 minLightweight canister-style alcohol setups
Vargo Triad Alcohol Stove1.50 ml/min44 ml29 minSmall titanium stove planning
Solo Stove Alcohol Burner1.65 ml/min100 ml61 minBackyard tests and fire-pit compatible kits
Zelph Starlyte Burner1.20 ml/min30 ml25 minAbsorbent low-spill solo stove cooking
White Box Alcohol Stove2.35 ml/min90 ml38 minHigh-output open-jet boil planning

💧Fuel Volume Conversion Table

Fuel Volume Milliliters At 1.2 ml/min At 1.6 ml/min At 2.2 ml/min
0.5 fl oz14.8 ml12.3 min9.2 min6.7 min
1.0 fl oz29.6 ml24.6 min18.5 min13.4 min
1.5 fl oz44.4 ml37.0 min27.7 min20.2 min
2.0 fl oz59.1 ml49.3 min36.9 min26.9 min
3.0 fl oz88.7 ml73.9 min55.4 min40.3 min
4.0 fl oz118.3 ml98.6 min73.9 min53.8 min

🌬Field Condition Adjustment Table

Condition Rate Multiplier Fuel Use Change Example Effect
Sheltered bench test1.00xNo change90 ml at 1.6 ml/min burns about 56 min
Good windscreen, light breeze1.12x12% more fuelThe same 90 ml burns about 50 min
Cool air or loose pot stand1.25x25% more fuelThe same 90 ml burns about 45 min
Cold and windy camp kitchen1.45x45% more fuelThe same 90 ml burns about 39 min
Tight simmer with heat exchanger pot0.90x10% less fuelThe same 90 ml burns about 63 min

🎒Trip Fuel Planning Reference

Cooking Pattern Cycles per Day Minutes per Cycle Daily Fuel at 1.6 ml/min With 15% Reserve
Coffee only16 min9.6 ml11.0 ml
Solo dehydrated meals210 min32.0 ml36.8 ml
Two-person hot drinks and dinner312 min57.6 ml66.2 ml
Cold weather melt-and-cook414 min89.6 ml103.0 ml

📌Calculator Tips

Measure one real burn: Fill with a known volume, time the stove until the flame fades, then divide ml by minutes. That measured ml/min value is better than any table for your pot, stand, and windscreen.
Keep a separate reserve: Alcohol stove output changes quickly in wind and cold air. A 10% to 20% reserve covers relights, simmer-ring adjustments, and short tests without pretending the bottle is empty.

Because you did some quick mental math on volume, you pour in the fuel and watch blue flame dance around inside brass burner. And that’s typically where wind, altitude, and imperfect sealing come along to ruin your evening plans. With an alcohol stove, it turns out that volume alone will tell you next to nothing about time without accounting for how quickly the liquid get out of the container under real conditions.

It’s more than a matter of chemistry; its also a matter of fluid dynamics that vary each time you switch from your sheltered kitchen table to that breezy ridge line. Most campers treat fuel usage as something that stay the same: “A hundred milliliters should make the same amount of heat no matter what.” Or at least they think this. Then they realize their stove use twice as much when it is out in the elements compared to the steady burn they had in their garage.

Why Fuel Math Matters for Camping

The calculator does all the complicated math for you, between flow rate, flame setting, and environmental factors, so you can stop guessing whether your meal will still be hot or cold when the fire goes out. It turns it from a vague sense of having enough into an actual number of minutes you can expect to have on the flame.

Think of it like a reserve margin. That’s your buffer from disappointing situations: “Sure, I could save 10 or 20 percent of my fuel…but then what if a big gust comes through and blows out my main flame? How else am I going to get enough heat back on to simmer the sauce?” If you don’t have any wiggle room, you’re either facing bad weather when it comes time to top off (or you’ll be serving up cold food).

With this tool, all you do is set that buffer aside, and you can see exactly how many cooking cycles your tank will hold. Does that mean you’ll run out at some point during the trip? Or should of you pick up additional bottles along the way? And most folks will be surprised how much more the makeup of fuel plays a role, ethanol blends vs denatured alcohol for instance.

You may have more total joules, but it burn faster and hotter, leading to less total burn time. Or maybe it smells horrible if there’s no wind? Or worse yet, it just makes a ton of soot. Knowing the trade-off lets you decide whether you want efficiency or whether you want a pleasant campsite ambiance. And those tables make things clear; you’ll know what to expect from each fuel before you buy one.

Wind sucks up your fuel too, big time. It take the heat out of the pot and makes the flame work harder to compensate. This means you’re eating through your fuel at 40 percent or higher rates under extreme circumstances. A quality windscreen helps, but it comes at a price: added bulk and weight, things many ultralighters loathe lugging around.

That’s why the calculator factors wind into play with multipliers to adjust for your starting burn rate (nature doesn’t follow lab results). Want to know how much it’ll mess with your dinner plans? Run both scenarios: a calm night under an imaginary shelter and a nasty gusty night outdoors on your own.

So there you go: some things to think about when calculating how much fuel fits in your tanks. Keep in mind that these are just estimates and averages based off “standard” conditions. These factors include the shape of your pots, where you set up the stand, and how dirty your burners is. These things will affect the flow rate and what works for you.

A better way to find out is to take a known volume of fuel and test yourself at home, you’ll then know your own personal starting spot as opposed to someone’s best case scenario from a generic table. Then use their calculator to plug in your real world number and see how much it shows you could really do.

Simple is good: Alcohol stoves are easy to use but require careful planning, as carelessly managing fuel will result in poor stove performance. Think of each drop as a tick on the clock instead of merely a substance in a container. Knowing precisely how much time remains until the flame goes out can be the margin between a leisurely meal or a hurried one. It’s naturaly better to plan ahead so you dont end up with less fuel than you need. If you are livig in the wild, you should of checked your supplies twice. Most people finds that planning is easier than a luxurius meal at home.

Alcohol Stove Burn Time by Volume Calculator

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