Fuel Calculators & Estimating Tools
7 interactive calculators. Every tool shows the math, the assumptions, and a shareable URL.
Propane Tank Size Calculator
Estimate the right propane tank size for your home from your average winter monthly usage.
Propane Usage Calculator
Estimate annual propane gallons from square footage, climate (heating degree days), and appliance load.
Generator Runtime Calculator
Estimate how long a standby propane generator will run on a single tank, by load percentage and burn rate.
Heating Oil Usage Calculator
Estimate annual #2 heating-oil gallons from square footage, climate (heating degree days), and water-heating load.
Oil-to-Propane Conversion Calculator
Compare heating oil and propane on a $/MMBTU basis and estimate the payback period for converting from an oil furnace to a propane furnace.
Propane Pool Heater Calculator
Estimate how much propane a residential pool heater burns per hour, per day, and per swim season.
RV Propane Calculator
Estimate how much propane your RV will burn on a given trip — broken down by furnace, water heater, refrigerator, and cooktop — and how many tank-days that buys you.
Skip the math — see local dealers
Enter your ZIP to find fuel dealers in your area.