[ REFERENCE ] Mix charts

2-Stroke Oil Mix Ratio Charts

Printable reference charts for every common 2-stroke mix ratio, in both US (gallons → ounces) and metric (litres → millilitres). Bookmark or print this page for the shed.

100:1 ratio

US — gallons to ounces of oil
Gallons of gas	oz of oil
0.5	0.64
1	1.28
1.5	1.92
2	2.56
2.5	3.2
3	3.84
4	5.12
5	6.4
6	7.68

Metric — litres to millilitres of oil
Litres of gas	ml of oil
1	10
2	20
3	30
4	40
5	50
10	100
15	150
20	200
25	250

50:1 ratio

US — gallons to ounces of oil
Gallons of gas	oz of oil
0.5	1.28
1	2.56
1.5	3.84
2	5.12
2.5	6.4
3	7.68
4	10.24
5	12.8
6	15.36

Metric — litres to millilitres of oil
Litres of gas	ml of oil
1	20
2	40
3	60
4	80
5	100
10	200
15	300
20	400
25	500

40:1 ratio

US — gallons to ounces of oil
Gallons of gas	oz of oil
0.5	1.6
1	3.2
1.5	4.8
2	6.4
2.5	8
3	9.6
4	12.8
5	16
6	19.2

Metric — litres to millilitres of oil
Litres of gas	ml of oil
1	25
2	50
3	75
4	100
5	125
10	250
15	375
20	500
25	625

32:1 ratio

US — gallons to ounces of oil
Gallons of gas	oz of oil
0.5	2
1	4
1.5	6
2	8
2.5	10
3	12
4	16
5	20
6	24

Metric — litres to millilitres of oil
Litres of gas	ml of oil
1	31.25
2	62.5
3	93.75
4	125
5	156.25
10	312.5
15	468.75
20	625
25	781.25

25:1 ratio

US — gallons to ounces of oil
Gallons of gas	oz of oil
0.5	2.56
1	5.12
1.5	7.68
2	10.24
2.5	12.8
3	15.36
4	20.48
5	25.6
6	30.72

Metric — litres to millilitres of oil
Litres of gas	ml of oil
1	40
2	80
3	120
4	160
5	200
10	400
15	600
20	800
25	1,000

20:1 ratio

US — gallons to ounces of oil
Gallons of gas	oz of oil
0.5	3.2
1	6.4
1.5	9.6
2	12.8
2.5	16
3	19.2
4	25.6
5	32
6	38.4

Metric — litres to millilitres of oil
Litres of gas	ml of oil
1	50
2	100
3	150
4	200
5	250
10	500
15	750
20	1,000
25	1,250