Cooking Gas Budget Calculator
Find out how long your LPG cylinder lasts based on your household size and cooking habits, and plan your monthly gas budget.
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Cylinder Size Comparison
| Size | Avg Duration (4 people) | Best For | Avg Price (Lagos) |
|---|---|---|---|
| 3kg | 7 days | Students, singles, office | ₦4,200–₦4,800 |
| 5kg | 12 days | Couples, small families | ₦7,000–₦8,200 |
| 12.5kg | 30 days | Average family (most popular) | ₦15,500–₦17,000 |
| 25kg | 60 days | Large families, small restaurants | ₦30,000–₦34,000 |
| 50kg | 120 days | Restaurants, offices, large households | ₦60,000–₦68,000 |
*Prices are Lagos market averages as of September 2026. Find prices near you.
How to Budget for Cooking Gas in Nigeria: LPG Prices, Cylinder Sizes and Monthly Cost Guide
Cooking gas (LPG — liquefied petroleum gas) prices in Nigeria have risen by more than 400% since 2021. A kilogram of LPG that cost approximately ₦320 in early 2021 now costs between ₦1,300 and ₦1,500 in Lagos, Abuja, and Port Harcourt markets as of 2025–2026, with prices even higher in northern and remote states. A standard 12.5 kg cylinder refill that once cost under ₦4,000 now costs ₦16,000–₦18,500 across most Nigerian cities. For the tens of millions of Nigerian families that switched from kerosene and firewood to cooking gas in the 2015–2021 period — motivated by government clean cooking campaigns, falling LPG prices, and widely available credit purchase schemes for cylinders — this price explosion has been a severe financial shock. For many urban households, cooking gas has now become the third-largest monthly expense after rent and food, exceeding even generator fuel for families that cook intensively.
Knowing your exact monthly cooking gas consumption is not just a budgeting exercise — it is your early warning system for leaks, regulator faults, and inefficient cooking practices that could be costing you thousands of naira per month unnecessarily. The Cooking Gas Budget Calculator above converts your household size, daily cooking hours, and cylinder size into a precise monthly budget figure and refill schedule. Most Nigerian families that use it for the first time discover either that their actual spending is 20–30% higher than they estimated, or that their cylinder is running out faster than the calculator predicts — the latter being a strong indicator of an undetected gas leak or a faulty regulator that is wasting product continuously.
Understanding LPG Pricing in Nigeria: Per Kg vs Per Cylinder
One of the most important — and least understood — aspects of cooking gas economics in Nigeria is the distinction between the per-kilogram price and the per-cylinder price. LPG dealers price their product in naira per kilogram, but most households think in terms of cylinders. This disconnect enables a pricing practice that costs consumers billions of naira annually: selling small cylinders at a per-kilogram premium that is significantly higher than larger cylinder refills from the same dealer. A reputable Lagos LPG dealer in 2025 might charge ₦1,500/kg for a 3 kg refill (₦4,500 total), ₦1,380/kg for a 5 kg refill (₦6,900 total), and ₦1,280/kg for a 12.5 kg refill (₦16,000 total). Buying 12.5 kg in three separate 3 kg purchases costs ₦17,100 — ₦1,100 more than a single 12.5 kg refill for exactly the same amount of gas. Over a year, a family of four making twelve 12.5 kg refills saves approximately ₦13,200 compared to buying the equivalent quantity in 3 kg cylinders. This is money that requires no sacrifice — just a change in purchasing behaviour. The optimal strategy for any household with storage space is to use the largest cylinder size that your cooking frequency can accommodate without the cylinder sitting nearly empty for extended periods (which accelerates corrosion of the cylinder interior).
The difference between refilling your own cylinder versus buying a pre-filled replacement is also significant. Dealers who sell replacement cylinders (their filled cylinder in exchange for your empty one plus cash) often charge a premium of ₦500–₦2,000 over the refill price. Always insist on having your own cylinder refilled at a licensed refill point — you avoid the premium, you keep your own cylinder (which you own and know the history of), and you can verify the weight you receive on the station's scale.
How Much Cooking Gas Does a Nigerian Family Use?
Gas consumption varies significantly based on household size, cooking style, and the types of dishes prepared. As a reliable baseline: one kilogram of LPG provides approximately 12.8 kWh of heat energy, and a standard Nigerian gas burner running at medium flame consumes approximately 100–150 grams of LPG per hour. Here are consumption benchmarks based on household size and 2 hours of daily cooking:
- 1–2 person household: 2.5–4 kg per month. A 3 kg cylinder lasts 20–35 days. Annual LPG budget: ₦45,000–₦65,000 at ₦1,400/kg.
- 3–4 person household: 6–9 kg per month. A 12.5 kg cylinder lasts 40–60 days. Annual budget: ₦100,000–₦150,000.
- 5–6 person household: 10–14 kg per month. A 12.5 kg cylinder lasts approximately 25–35 days. Annual budget: ₦168,000–₦235,000.
- 7+ person household or extended family: 15–20 kg per month. A 25 kg cylinder lasts 35–50 days. Annual budget: ₦252,000–₦336,000.
- Small restaurant or bukateria: 30–60 kg per month. Requires 50 kg cylinders or bulk LPG supply contracts. Monthly cost: ₦39,000–₦78,000.
These figures assume 2 hours of actual burner-on time per day. Cooking method has a dramatic impact: boiling beans or tomato stew on a low flame for 90 minutes uses far more gas per kilogram of food produced than pressure-cooking the same dish in 20 minutes. Nigerian families that adopt pressure cookers as part of their kitchen equipment typically reduce gas consumption by 40–60% on bean dishes alone, which constitute a significant share of Nigerian cooking.
The Full Range of Cylinder Sizes and Their True Value
Understanding the full spectrum of available cylinder sizes — and their cost-per-kilogram economics — helps you make informed purchasing decisions. Here is the complete breakdown for the Nigerian market in 2025–2026:
- 3 kg cylinder: Starter or emergency backup size. Widely available, easy to carry, popular with students and single-occupant tenants. Per-kg cost is typically the highest of all sizes — ₦1,400–₦1,600/kg. Lasts a single person approximately 3–4 weeks. Market price: ₦4,200–₦5,000 per refill.
- 5 kg cylinder: Good for couples or small households with minimal cooking. Per-kg cost is slightly better than 3 kg at ₦1,350–₦1,500/kg. Market price: ₦6,750–₦7,500 per refill. Lasts a couple approximately 3–5 weeks.
- 12.5 kg cylinder: The most popular household size in Nigeria. Per-kg cost drops to ₦1,280–₦1,360/kg from reputable dealers. Market price: ₦16,000–₦17,000 per refill in Lagos (slightly more in northern states). The sweet spot for most families of 3–6 people.
- 25 kg cylinder: Economical for large families or small catering operations. Per-kg cost typically ₦1,200–₦1,300/kg. Market price: ₦30,000–₦32,500 per refill. Requires a robust trolley for movement due to weight (approximately 40 kg full).
- 50 kg cylinder: Commercial and large household use. Best per-kg value at ₦1,100–₦1,250/kg from bulk dealers. Market price: ₦55,000–₦62,500 per refill. Requires installation by a licensed LPG technician and a proper storage area.
LPG vs Kerosene vs Firewood: A Cost and Health Comparison
Understanding why cooking gas remains a better choice than the alternatives — despite its dramatic price increases — requires comparing cost per meal and health outcomes across all three fuel types. Kerosene in 2025 costs approximately ₦800–₦1,000 per litre across most Nigerian states and delivers approximately 8 kWh of heat per litre. LPG delivers 12.8 kWh per kilogram. On a pure heat-per-naira basis, kerosene at ₦900/L delivers 8.9 Wh per naira while LPG at ₦1,350/kg delivers 9.5 Wh per naira — giving LPG a modest cost advantage even before accounting for the much higher efficiency of gas burners versus kerosene stoves. The health comparison is stark: the WHO estimates that indoor air pollution from solid fuels and kerosene stoves kills approximately 98,000 Nigerians per year, with women and children — who spend the most time in cooking areas — disproportionately affected. LPG, when burned correctly in a well-ventilated space, produces only carbon dioxide and water vapour. Firewood is the cheapest fuel by purchase price but the most expensive when health outcomes, time cost (gathering or purchasing), and cooking efficiency are included. An estimated 40 million Nigerian households still rely primarily on firewood as of 2024, representing both a public health crisis and a major contributor to Nigeria's deforestation problem.
Why LPG Prices Keep Rising in Nigeria
Nigeria presents a paradox that baffles many Nigerians: Africa's largest oil producer imports approximately 85% of its LPG consumption. The country has vast natural gas reserves — the largest in Africa — but the infrastructure to process, store, and distribute LPG domestically remains severely underdeveloped. The Nigeria LNG Limited (NLNG) plant on Bonny Island is the primary domestic LPG producer, but its output is priced in dollars under international contracts and exported at global market rates. Domestic LPG pricing therefore tracks global propane and butane benchmarks regardless of what crude oil does domestically. When global LPG prices rise — driven by cold northern hemisphere winters, Asian demand spikes, or Middle Eastern supply disruptions — Nigerian LPG prices follow within weeks. Naira exchange rate weakness amplifies these increases: a Nigerian distributor buying LPG in dollars then converting the cost to naira pays more every time the naira weakens. The structural solution — building domestic LPG processing capacity linked to Nigeria's existing gas flaring operations, which currently waste more gas in flares than the country consumes as LPG — has been discussed for two decades without meaningful implementation. Until that changes, Nigerian households should expect LPG prices to remain volatile and broadly upward-trending.
How to Reduce Your Monthly Cooking Gas Bill
Several practical measures can meaningfully reduce your monthly gas consumption without compromising the quality or quantity of your cooking:
- Invest in a pressure cooker: Beans, ofe onugbu, egusi soup, and other long-cooking Nigerian dishes take 90–120 minutes on a standard gas burner. A pressure cooker reduces this to 20–30 minutes — saving 60–90 minutes of gas burning per pot. For a family cooking beans three times per week, a pressure cooker saves approximately 2–3 kg of gas per month, worth ₦2,800–₦4,500.
- Cook with lids on: A tight-fitting lid traps heat and moisture, reducing evaporation and dramatically shortening cooking time. Cooking uncovered can use 30–50% more gas than the same dish cooked with a lid.
- Soak legumes before cooking: Soaking beans, black-eyed peas, or lentils for 4–8 hours before cooking reduces their cooking time by 30–50%, directly proportional gas saving.
- Match flame to pot size: A small flame spreading beyond the base of your pot wastes heat to the air. Use a burner and flame size that fits within the pot's base.
- Maintain your regulator and hose: A quality regulator ensures correct gas pressure at the burner. Cheap or worn regulators either restrict flow (making burners inefficient and cooking time longer) or over-supply (burning gas faster than necessary). Replace regulators every 3–5 years and rubber hoses every 2–3 years or whenever cracking or stiffening is visible.
- Batch cook: Preparing soup, stews, and rice in larger quantities and refrigerating or freezing portions reduces the total cooking time and gas used per serving compared to cooking fresh every day.
Detecting and Preventing LPG Gas Leaks
Gas leaks are the leading cause of cooking gas explosions in Nigerian homes, yet they are almost entirely preventable with basic awareness. LPG has an odorant (ethyl mercaptan) added specifically so that leaks can be detected by smell before concentrations reach explosive levels. If you smell gas: do not switch any electrical switch on or off, do not light a match or flame of any kind, turn off the cylinder valve immediately, open all windows and doors to ventilate, leave the building, and call your LPG supplier or the nearest fire station. The soap bubble test is the most reliable way to check for leaks: mix dishwashing liquid with water in a spray bottle, close the cylinder valve, apply the soapy water to the valve stem, regulator connection, hose, and burner valve connections. Bubbles indicate a gas leak. This test should be performed monthly. A gas detector (available for ₦8,000–₦25,000 in Nigerian electronics markets) that sounds an alarm when LPG concentration reaches 10% of its Lower Explosive Limit is a worthwhile investment for any household with a cylinder, particularly those with young children or elderly members who might not notice a subtle gas smell.
Key insight: The pressure cooker is the single most cost-effective investment to cut your cooking gas bill. A quality pressure cooker (Butterfly or Prestige brands are widely available in Nigeria for ₦8,000–₦25,000) pays for itself in gas savings within 2–4 months for a family of four that regularly cooks beans, ofe, or porridge. Beans that require 90 minutes on a standard burner cook fully in 18–22 minutes in a pressure cooker — saving over an hour of gas per pot. At ₦1,400/kg and 150g/hr consumption, that is approximately ₦300 saved per pot of beans, or ₦3,600 per month for a family cooking beans three times weekly.
Important: Never store LPG cylinders in enclosed spaces, under stairwells, in car boots, in rooms with sleeping people, or in basements. LPG is heavier than air and sinks to floor level if there is a leak, where it accumulates silently until any ignition source — a light switch, a phone charger spark, a refrigerator compressor starting — triggers an explosion. Always store cylinders in an upright position in an outdoor or well-ventilated covered area. In Nigerian block-of-flats buildings where outdoor storage is not available, a ventilated kitchen with a window that opens to outside air is the minimum acceptable storage location — and the cylinder valve must always be closed when not in use.
Planning Your Annual Cooking Gas Budget
Use the calculator above to establish your monthly baseline cost, then multiply by 12 for your annual gas budget. Add a 15% buffer to account for price increases, periods of extended family visits (festivals, naming ceremonies, and school holidays typically spike household cooking intensity), and the occasional replacement of a regulator or hose connection. Store this annual figure in your household budget spreadsheet or personal finance app alongside rent, generator fuel, school fees, and other major regular expenses. Having a visible annual gas cost figure — rather than thinking of it as a small weekly or fortnightly expense — often prompts more active gas conservation behaviour and makes the investment case for a pressure cooker, better cookware lids, or a larger cylinder size immediately obvious.