2-stroke fuel mix

Gasoline-to-oil ratio (50:1, 40:1, 25:1…) — how much oil to add to a given amount of gas.

Two-stroke mixing: 50:1 means 50 parts petrol to 1 part oil.

Everything runs in this browser.

How to use

  1. Enter the gasoline amount (L or gal).
  2. Enter the mix ratio.
  3. Read the oil to add.

What it supports

Ratios N:1 with N = 1–200; fuel amounts up to 10,000 L. Oil volume = fuel ÷ N — the ratio refers to fuel alone, not fuel+oil total.

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