Fuel economy converter

Client

Switch between US miles per gallon and metric liters per 100 kilometers.

How to use

Type a value with mpg or L/100km.

About Fuel economy converter

Convert MPG ↔ L/100km for fuel efficiency—browser-only. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.

How to use this page

Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.

30 MPG = 7.84 L/100km

Nearby workflows on Toolcore

  • Speed converter — m/s, km/h (kph), mph, knots, ft/s—paste one speed, see every column with standard mile and nautical definitions. when units or numeric output should be checked on a related calculator.
  • Unit converter (length, temperature, weight) — Length (metric & US customary), temperature (°C, °F, K), and weight (mg to lb)—paste one value, see every column. when units or numeric output should be checked on a related calculator.
  • Rule of 72 — Estimate years to double an investment from an annual rate using the rule of 72—browser-only. when units or numeric output should be checked on a related calculator.
  • Percent change — Calculate percentage increase or decrease from an old value to a new one—local math in your browser. when units or numeric output should be checked on a related calculator.

Common use cases

  • Compare US and EU vehicle efficiency specs.
  • Trip planning across unit systems.

Common mistakes to avoid

  • Imperial vs US gallon

    Uses US MPG conversion constant.

FAQ

Which direction?

Type either unit; the tool detects mpg or L/100km.

More tools

Related utilities you can open in another tab—mostly client-side.