Worked example
A 14.2 kg cylinder at 1.5 burner-hours/day lasts about 37.87 days — roughly ₹713.03/month equivalent.
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LPG Cylinder Usage Calculator
How long your cylinder will last
Estimated days remaining
37.87 days
≈ ₹23.77/day · ₹713.03/month equivalent
Assumes 0.25 kg/hour of LPG per burner-hour of active flame — a commonly cited rate for a medium-to-full domestic flame, not a measurement of your specific stove. "Burner-hours" means total active flame time across however many burners you use — two burners run for 30 minutes each counts as 1 burner-hour.
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Frequently asked questions
What is a "burner-hour" and how do I estimate mine?
It's the total active flame time across all burners you use in a day. If you cook on one burner for 45 minutes and another for 45 minutes, that's 1.5 burner-hours — not 45 minutes, even though it might feel like "one meal."
Why does the calculator assume 0.25 kg/hour per burner?
That's a commonly cited consumption rate for a medium-to-full domestic LPG flame. It's an assumption, not a measurement of your specific stove — burner design, flame setting and pot size all affect real consumption somewhat.
Does a 14.2 kg cylinder really give the number of days shown?
This is a planning estimate based on the stated burner-hour assumption. Real-world results vary — the useful comparison is relative: e.g., cutting your daily burner-hours by a third should roughly extend the cylinder's life by a third too.