Gas Canister & Stove Usage Calculator

The MercatorGear 'Gas Canister Calculator'* (above) is a tool to estimate gas consumption and canister requirements for your particular expedition or trek depending on the number of people and the number of days, how much water you need to boil, and the type of stove and canister used.

We use gas consumption data from real usage cases to create a realistic set of consumption figures. This enables you to experiment with different stoves and usage scenarios to work out which is the optimum combination for your particular trip.

Inputs for the Gas Canister Calculator* 

A) Number of people in the group

B) Number of days/nights on the trail

C) Boiling water requirement per person per day in Millilitres (mls). Here is a rough guide;

  • 500 mls is for classic ultralight/minimalists who need only 2 cups per day
  • 1000 mls is enough for a dehydrated meal and a couple of hot drinks
  • 2000 - 4000 mls gives you plenty of boiling water plus cooking
  • 5000 mls is for those who wish to boil most of the water they need for hydration and do plenty of cooking
  • On the trail in northern Europe we live well and do plenty of cooking (including a lunchtime brew up) on less than 3000 mls per person per day. 

D) Canister Size: This enables you to try different standard sizes (100g, 230g & 450g) to see which is the best combination to optimise the number of canisters and stove for a specific trip profile.

i) Small  (100g / 3.5oz) ii) Medium (230g / 8oz) iii) Large (450g / 16oz)
Best for: Solo use, and short trips  Best for: Multi-day / multi-person / 1-3 days trips  Best for: Base camp and multi-person, longer trips  

E) Stove Type: Our calculations are based on extensive testing with three different types of KOVEA stove, each with its own weight and efficiency attributes;

i) Canister-top Stove: 

Lightest, but less efficient...

KOVEA Titanium SupaLite (56g):

ii) Remote Canister Stove:

More efficient & flexible... 

KOVEA Spider (168g):

iii) Integrated Stove: 

Most efficient, but bulkier / heavier.

KOVEA Alpine Pot Wide (APW) (461g*)

£ 35.90 each Add to cart
KOVEA Spider and Igniter
£ 46.56 each Add to cart
£ 90.00 each Add to cart
Our lightest canister-top stove, optimised for ultralight backpacking and extreme sports.  Developed from the original KOVEA Titanium stove which is a bit heavier and comes with an integral piezo igniter. Both versions have the same wide titanium pot supports and similar performance.  More details  Compact and versatile 4-season remote canister stove can be used with a windshield to maximise efficiency. Over longer period the Spider's improved efficiency saves weight of fuel. The Spider is also very stable and is our best platform for gourmet cooking on the trail. More details The Alpine Pot Wide is optimised for efficient water boiling and benefits from the most advanced burner head, regulator and ignition system combination.  Best for groups of up to 4 people. It can cook noodles, pasta or rice and can be used with a small frying pan or coffee perculator. (*461g = trail weight) More details

NOTE about other stove brands: Although our data has been collected using KOVEA stoves, our calculations should be broadly similar for other good quality stove brands within the same categories. 

Results from the Canister Calculator  

The MercatorGear 'Canister Calculator' uses data we have accumulated from actual stove use in a range of environments to generate estimates of how much gas and how many canisters you will need depending on your usage requirements and type of stove. Data includes:

1. Gas Required (in grams): for selected trip profile and stove

2. Approximate Canister Usage: (this helps to adjust your usage to optimise the number of canisters)

3. Whole Canisters Required: (This rounds up the previous figure - obvious really)

4. Total Initial Weight of Canisters + stove at the start of the trip. (This helps determine where a heavier but more efficient stove e.g. Spider or Alpine Pot Wide can help reduce total start weight for longer trips)

5. Gas required per person per day (grams): This figure is a quick way to compare different usage scenarios and different stoves.

You can use the Calculate/Update button to try out different canister and stove combinations until you have found the best fit for your trip and style of stove usage.


The MercatorGear 'Canister Calculator' assumes above freezing usage (no snow melting or inverted canister use), and a reasonably sheltered location away from the wind. The calculations also account for the fact that canister-top stoves are the least efficient of the three types, and that stoves are always less efficient outside than they are in the lab.  We have also allowed for greater efficiency for larger amounts of water boiling / cooking. 

The resulting figures are deliberately conservative and include a margin for error.

Experienced stove users should be able to achieve greater efficiencies than those shown. 

If you have any feedback or suggestions to improve this version (Beta v5) of the MercatorGear 'Canister Calculator', please feel free to get in touch through our contact page.

* COPYRIGHT NOTICE "Gas Canister Calculator" name and software is copyright of and its parent company. All rights reserved.


KOVEA Canisters and Stoves  KOVEA Spider & APW 

  KOVEA 100g, 230g and 450g propane/iso-butane gas canisters are now available in Europe from Frisport (Shou) AS 

Acknowledgement: Andrew Art

Back to Canister Calculator

£ 90.00 each KOVEA Alpine Pot Wide Add to cart
KOVEA Spider and Igniter
£ 46.56 each KOVEA Spider "Standard" - 4 Season remote canister stove including KOVEA Igniter (FREE EU P&P) Add to cart
£ 35.90 each KOVEA SupaLite Titanium - 56g Add to cart