A unit converter you don't have to click through

Most converters make you pick a category, then a unit, then another unit. In Ratio, you just type the conversion as a sentence, with in or to. Then keep calculating with the result.

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Length, height and distance

5 km in mi3.11 mi
6 ft in cm182.88 cm
5 ft 11 in in cm180.34 cm

Temperature

100 f in c37.78 °C
21 c in f69.8 °F

Cooking, weight and volume

3 cups in ml709.76 mL
1 tbsp in ml14.79 mL
70 kg in lb154.32 lb
12 oz in g340.19 g
2.5 l in gal0.66 gal

Speed and area

60 mph in km/h96.56 km/h
100 km/h in mph62.14 mph
20 m2 in sq ft215.28 ft²
1 acre in m24,046.86 m²

Time and data sizes

Decimal and binary data units are kept apart: a gigabyte is 1,000 megabytes, a gibibyte 1,024 mebibytes.

90 min in h1.5 h
4 tb in gb4,000 GB
1 gib in mib1,024 MiB

Currencies convert the same way, with live rates: see the currency converter. Every unit Ratio knows is in the syntax reference.

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Questions

How many units does Ratio convert? More than 150, across length, area, volume, mass, speed, temperature, time and data, plus 160+ currencies.

Can I convert feet and inches together? Yes. Type 5 ft 11 in in cm and Ratio shows 180.34 cm.

Does it work offline? Unit conversions always work offline. Currencies use the last rates Ratio downloaded.