Runtime varies with your appliance’s BTU draw, settings, and weather. A 1 lb (16 oz) propane cylinder holds about 21,600 BTUs.

• Quick estimate: Hours ≈ 21,600 ÷ your burner’s BTU/hr rating.
• Typical use: A single burner at 7,500–10,000 BTU/hr may get ~2–3 hours on high; simmering stretches runtime. Heaters or multiple burners use fuel faster.
• Conditions matter: Wind, cold temps, and wide-open flame settings increase consumption.

These are ballpark figures—actual results depend on your setup. Using a windscreen as your stove’s instructions allow and cooking on medium heat can help. Always follow the appliance manual and use cylinders outdoors in well‑ventilated areas.

Small-cylinder pricing can differ for several reasons, so it’s smart to compare details, not just the sticker.

• Pack size: Singles vs multi-packs (2, 4, 6, 12) change the per-can cost.
• Fuel format: Camping propane, torch cylinders (often 14.1 oz), and butane canisters are priced differently.
• Pre-filled vs empty: Empty, refill-capable cylinders carry an upfront premium but are designed for reuse.
• Season and region: Demand, local regulations, and fees can influence price.
• Delivery method: Shipping restrictions may limit delivery; store pickup can offer more availability.

Comparing the price per ounce and checking local availability can help you find value without overbuying.

Refillability depends on the cylinder’s design, labeling, and valve type.

• Check the label: Only cylinders explicitly marked and equipped for refilling should be refilled.
• Single-use types: Many small camping cylinders are non‑refillable and state this clearly on the package.
• Larger tanks: Cylinders with an OPD valve (common on 5 lb, 11 lb, 20 lb, and larger) are designed to be refilled by qualified services.
• Follow instructions: The product page and manufacturer manual indicate allowed uses and refilling guidance.

Refilling a non‑refillable cylinder can be unsafe and may violate regulations. If you want a reusable option, choose a cylinder sold as empty and designed for refilling, and follow local rules.

Pricing for 20 lb cylinders varies with configuration and features.

• Empty, filled, or exchange: Buying an empty tank, a pre‑filled one, or swapping at an exchange each has a different cost structure.
• Construction: Steel, aluminum, or composite bodies and options like built‑in gauges can affect price.
• Orientation and use: Standard vertical vs specialized horizontal cylinders for specific applications may be priced differently.
• Compliance features: OPD valves and current certification markings are standard on modern tanks and factor into cost.
• Local factors: Seasonal demand, regional supply, and pickup vs delivery availability can influence what you’ll pay.

Comparing features and checking local fulfillment options can help you choose the right value for your setup.

Match the cylinder to your appliance, runtime needs, and how you travel.

• Connection type: Many camp stoves use small threaded 16 oz cylinders; grills and patio heaters commonly use larger tanks with Type 1 (ACME) valves.
• Portability vs runtime: 16 oz cylinders are light for short trips; 5–11 lb tanks fit weekend camping; 20 lb tanks are common for backyard cooking; larger sizes cut refill frequency.
• Refill vs disposable: Larger tanks are refillable; small disposables are convenient but single‑use unless labeled refillable.
• Conditions: Cold and wind increase consumption—plan a buffer.

Always check your appliance manual for compatible fuel and connectors, then pick the smallest size that reasonably covers your expected use.