How to Read Your Propane Tank Gauge

The majority of our tank gauges are Rochester gauges that display to the number "80." The tank will normally be filled to approximately 80% to allow for heat expansion. Occasionally a gauge may become "stuck" and often a light tap on the guage will correct this.

% to Gallons Table for Propane Tanks
% in Tank	120-Gal (420# Cyl)	250-Gal (2-420# Cyls)	325-Gal (3-420# Cyls)	500-Gal (4-420# Cyls)	1,000-Gal
80%	96	200	260	400	800
70%	84	175	228	350	700
60%	72	150	195	300	600
50%	60	125	163	250	500
40%	48	100	130	200	400
30%	36	75	98	150	300
20%	24	50	65	100	200
10%	12	25	33	50	100

Note: This is an approximation only. Fluctuating temperatures or condition changes could affect the % reflected during the day.

91,500 BTU's burn one gallon of propane in one hour. For example, a gas log burner that has 40,000 BTUs, would take two hours to burn one gallon of gas if the set ran constantly.