Metric to Imperial Unit Converter

How to Use This Unit Converter

Pick a category — length, weight, or volume — then choose your source and target units. Type a number in either field and the conversion updates instantly in the other. Values persist while you switch categories, so you can move from converting a 23 kg luggage allowance to checking whether 150 cm carry-on dimensions clear your airline's limit without re-entering numbers.

When You'll Actually Need This Abroad

• Driving speed limits. A "50" sign in most of the world means 50 km/h (about 31 mph), but in the UK it means 50 mph (about 80 km/h). Wrong assumption, wrong ticket.
• Airline luggage limits. Most international carriers use kilograms (23 kg checked, 7 kg carry-on is typical). US domestic still uses pounds. Overweight fees start at $75–$200 — a two-second conversion prevents an expensive surprise at the counter.
• Fuel and driving distance. Rental car dashboards abroad display kilometers and liters. Converting L/100km to MPG on the fly helps you compare fuel efficiency and budget for a road trip.
• Groceries and recipes. Local supermarkets sell by the kilogram and liter. Ordering "half a pound" of cheese in Europe gets you a puzzled look; asking for 250 grams gets you exactly what you want.
• Body weight for medical situations. Pharmacies and clinics abroad ask for weight in kilograms. Knowing your weight in kg keeps prescription dosing accurate.

Quick Reference for Travelers

A few useful benchmarks that stick better than a formula: 1 mile ≈ 1.6 km, so multiply km by 0.6 for a rough mile count. 1 kg ≈ 2.2 lb, so a 20 kg bag is about 44 lb. 1 liter ≈ 0.26 gallons, so a 50-liter fuel tank holds about 13 gallons. 100 km ≈ 62 miles — useful for train-schedule sanity checks. Use the converter above when you need the exact number.

Frequently Asked Questions