Type a value in liters per minute to get US gallons per minute instantly, or type in the gallons per minute box to convert back. The formula with your number, related units and full tables are below.
L/min
GPM
Step-by-step calculation
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How to use the LPM to GPM Converter
Type a value in the Liters per minute box. The gallons per minute result appears instantly.
Going the other way? Type in the Gallons per minute box, or press the ⇄ swap button.
Set the precision with the decimal places menu.
Check the working in the step-by-step box, then press Copy result or click any row in the tables below.
Liters per minute to gallons per minute formula
GPM = L/min ÷ 3.785411784
Take the value in liters per minute.
Divide it by 3.785411784 (the number of liters per minute in one US gallon per minute).
Example: 10 L/min ÷ 3.785411784 = 2.64172 GPM.
Reverse formula (US gallons per minute to liters per minute): L/min = GPM × 3.785411784. Example: 3.17006 GPM × 3.785411784 = 12 L/min.
Quick mental estimate: divide by about 3.8. For exact answers use the converter above.
L/min to GPM conversion table (1–100)
Click any row to load it into the converter.
Liters per minute to gallons per minute
Liters per minute
Gallons per minute
1 L/min
0.264 GPM
2 L/min
0.528 GPM
3 L/min
0.793 GPM
4 L/min
1.057 GPM
5 L/min
1.321 GPM
6 L/min
1.585 GPM
7 L/min
1.849 GPM
8 L/min
2.113 GPM
9 L/min
2.378 GPM
10 L/min
2.642 GPM
11 L/min
2.906 GPM
12 L/min
3.17 GPM
13 L/min
3.434 GPM
14 L/min
3.698 GPM
15 L/min
3.963 GPM
16 L/min
4.227 GPM
17 L/min
4.491 GPM
18 L/min
4.755 GPM
19 L/min
5.019 GPM
20 L/min
5.283 GPM
21 L/min
5.548 GPM
22 L/min
5.812 GPM
23 L/min
6.076 GPM
24 L/min
6.34 GPM
25 L/min
6.604 GPM
26 L/min
6.868 GPM
27 L/min
7.133 GPM
28 L/min
7.397 GPM
29 L/min
7.661 GPM
30 L/min
7.925 GPM
31 L/min
8.189 GPM
32 L/min
8.454 GPM
33 L/min
8.718 GPM
34 L/min
8.982 GPM
35 L/min
9.246 GPM
36 L/min
9.51 GPM
37 L/min
9.774 GPM
38 L/min
10.039 GPM
39 L/min
10.303 GPM
40 L/min
10.567 GPM
41 L/min
10.831 GPM
42 L/min
11.095 GPM
43 L/min
11.359 GPM
44 L/min
11.624 GPM
45 L/min
11.888 GPM
46 L/min
12.152 GPM
47 L/min
12.416 GPM
48 L/min
12.68 GPM
49 L/min
12.944 GPM
50 L/min
13.209 GPM
51 L/min
13.473 GPM
52 L/min
13.737 GPM
53 L/min
14.001 GPM
54 L/min
14.265 GPM
55 L/min
14.529 GPM
56 L/min
14.794 GPM
57 L/min
15.058 GPM
58 L/min
15.322 GPM
59 L/min
15.586 GPM
60 L/min
15.85 GPM
61 L/min
16.114 GPM
62 L/min
16.379 GPM
63 L/min
16.643 GPM
64 L/min
16.907 GPM
65 L/min
17.171 GPM
66 L/min
17.435 GPM
67 L/min
17.7 GPM
68 L/min
17.964 GPM
69 L/min
18.228 GPM
70 L/min
18.492 GPM
71 L/min
18.756 GPM
72 L/min
19.02 GPM
73 L/min
19.285 GPM
74 L/min
19.549 GPM
75 L/min
19.813 GPM
76 L/min
20.077 GPM
77 L/min
20.341 GPM
78 L/min
20.605 GPM
79 L/min
20.87 GPM
80 L/min
21.134 GPM
81 L/min
21.398 GPM
82 L/min
21.662 GPM
83 L/min
21.926 GPM
84 L/min
22.19 GPM
85 L/min
22.455 GPM
86 L/min
22.719 GPM
87 L/min
22.983 GPM
88 L/min
23.247 GPM
89 L/min
23.511 GPM
90 L/min
23.775 GPM
91 L/min
24.04 GPM
92 L/min
24.304 GPM
93 L/min
24.568 GPM
94 L/min
24.832 GPM
95 L/min
25.096 GPM
96 L/min
25.361 GPM
97 L/min
25.625 GPM
98 L/min
25.889 GPM
99 L/min
26.153 GPM
100 L/min
26.417 GPM
Gallons per minute to liters per minute
Gallons per minute
Liters per minute
1 GPM
3.785 L/min
2 GPM
7.571 L/min
3 GPM
11.356 L/min
4 GPM
15.142 L/min
5 GPM
18.927 L/min
6 GPM
22.712 L/min
7 GPM
26.498 L/min
8 GPM
30.283 L/min
9 GPM
34.069 L/min
10 GPM
37.854 L/min
11 GPM
41.64 L/min
12 GPM
45.425 L/min
13 GPM
49.21 L/min
14 GPM
52.996 L/min
15 GPM
56.781 L/min
16 GPM
60.567 L/min
17 GPM
64.352 L/min
18 GPM
68.137 L/min
19 GPM
71.923 L/min
20 GPM
75.708 L/min
21 GPM
79.494 L/min
22 GPM
83.279 L/min
23 GPM
87.064 L/min
24 GPM
90.85 L/min
25 GPM
94.635 L/min
26 GPM
98.421 L/min
27 GPM
102.206 L/min
28 GPM
105.992 L/min
29 GPM
109.777 L/min
30 GPM
113.562 L/min
31 GPM
117.348 L/min
32 GPM
121.133 L/min
33 GPM
124.919 L/min
34 GPM
128.704 L/min
35 GPM
132.489 L/min
36 GPM
136.275 L/min
37 GPM
140.06 L/min
38 GPM
143.846 L/min
39 GPM
147.631 L/min
40 GPM
151.416 L/min
41 GPM
155.202 L/min
42 GPM
158.987 L/min
43 GPM
162.773 L/min
44 GPM
166.558 L/min
45 GPM
170.344 L/min
46 GPM
174.129 L/min
47 GPM
177.914 L/min
48 GPM
181.7 L/min
49 GPM
185.485 L/min
50 GPM
189.271 L/min
51 GPM
193.056 L/min
52 GPM
196.841 L/min
53 GPM
200.627 L/min
54 GPM
204.412 L/min
55 GPM
208.198 L/min
56 GPM
211.983 L/min
57 GPM
215.768 L/min
58 GPM
219.554 L/min
59 GPM
223.339 L/min
60 GPM
227.125 L/min
61 GPM
230.91 L/min
62 GPM
234.696 L/min
63 GPM
238.481 L/min
64 GPM
242.266 L/min
65 GPM
246.052 L/min
66 GPM
249.837 L/min
67 GPM
253.623 L/min
68 GPM
257.408 L/min
69 GPM
261.193 L/min
70 GPM
264.979 L/min
71 GPM
268.764 L/min
72 GPM
272.55 L/min
73 GPM
276.335 L/min
74 GPM
280.12 L/min
75 GPM
283.906 L/min
76 GPM
287.691 L/min
77 GPM
291.477 L/min
78 GPM
295.262 L/min
79 GPM
299.048 L/min
80 GPM
302.833 L/min
81 GPM
306.618 L/min
82 GPM
310.404 L/min
83 GPM
314.189 L/min
84 GPM
317.975 L/min
85 GPM
321.76 L/min
86 GPM
325.545 L/min
87 GPM
329.331 L/min
88 GPM
333.116 L/min
89 GPM
336.902 L/min
90 GPM
340.687 L/min
91 GPM
344.472 L/min
92 GPM
348.258 L/min
93 GPM
352.043 L/min
94 GPM
355.829 L/min
95 GPM
359.614 L/min
96 GPM
363.4 L/min
97 GPM
367.185 L/min
98 GPM
370.97 L/min
99 GPM
374.756 L/min
100 GPM
378.541 L/min
Common values
Liters per minute
Gallons per minute
Example
2 L/min
0.53 GPM
2 L/min
5 L/min
1.32 GPM
Bathroom tap (approx.)
8 L/min
2.11 GPM
Eco shower
10 L/min
2.64 GPM
10 L/min
12 L/min
3.17 GPM
Standard shower
20 L/min
5.28 GPM
Garden hose (approx.)
50 L/min
13.21 GPM
50 L/min
100 L/min
26.42 GPM
100 L/min
About liters per minute and gallons per minute
Liters per minute (L/min). Liters per minute (L/min) is the metric flow-rate unit for pumps, taps and showers.
Gallons per minute (GPM). US gallons per minute (GPM) measure flow rate for pumps, faucets, showerheads and irrigation. 1 GPM is about 3.785 liters per minute.
Frequently asked questions
How many US gallons per minute are in a liter per minute?
One liter per minute equals 0.264172 US gallons per minute. Looking at it the other way, one US gallon per minute is 3.78541 liters per minute.
How do you convert liters per minute to US gallons per minute?
Divide the number of liters per minute by 3.785411784. For example, 10 L/min ÷ 3.785411784 = 2.64172 GPM.
What is 12 liters per minute in US gallons per minute?
12 L/min is 3.17006 GPM (standard shower).
How much is 50 liters per minute in US gallons per minute?
50 liters per minute equals 13.2086 US gallons per minute.
How do I convert US gallons per minute back to liters per minute?
Multiply by 3.785411784, or press the ⇄ swap button above. For example, 3.17006 GPM × 3.785411784 = 12 L/min.
Which gallon is used for GPM?
US gallons (3.785 L). In the UK, flow is sometimes quoted in imperial gallons per minute, which are about 20% larger.