Home How Much Oil for 1 Gallon at 50:1?

How Much Oil for 1 Gallon at 50:1?

You Need:
2.6 fl oz
(76 mL or 0.076 liters)
of 2-stroke oil for 1 gallon of gasoline at 50:1 ratio

How to Mix 1 Gallon at 50:1

  1. Pour 1 gallon of fresh gasoline into a clean, approved fuel container
  2. Measure 2.6 fl oz (76 mL) of high-quality 2-stroke oil
  3. Add the oil to the gasoline (not gasoline to oil)
  4. Cap the container and shake vigorously for 30 seconds to mix thoroughly
  5. Label the container with the mix ratio and date
  6. Use within 30 days for best performance

50:1 Mixing Chart

Quick reference for other amounts at 50:1 ratio:

Gallons Oil (fl oz) Oil (mL) Oil (Liters)
1 (current) 2.6 fl oz 76 mL 0.076 L
2 5.1 fl oz 151 mL 0.151 L
2.5 6.4 fl oz 189 mL 0.189 L
3 7.7 fl oz 227 mL 0.227 L
4 10.2 fl oz 303 mL 0.303 L
5 12.8 fl oz 379 mL 0.379 L
6 15.4 fl oz 454 mL 0.454 L
10 25.6 fl oz 757 mL 0.757 L

What Equipment Uses 50:1 Ratio?

The 50:1 ratio is used by most modern 2-stroke equipment including Stihl chainsaws, Husqvarna trimmers, Echo blowers, and other handheld power tools manufactured after 2002.

→ Complete 50:1 Ratio Guide

Important

Always use the fuel ratio specified in your equipment's owner's manual. Using the wrong ratio can cause engine damage from inadequate lubrication (too lean) or fouled spark plugs and carbon buildup (too rich).

Need a Different Amount or Ratio?

Use our full calculator for custom amounts:

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