Turn one unit into another, fast.
Converters for military time, Roman numerals, kitchen weights and oven temperatures. Every answer updates as you type, with a chart beside it.
2:30 PM ⇄ 1430
Military time converter
Standard and 24-hour time in both directions.
0000 → 2330Military time chart
Every half hour of the day, plus how to say it.
2026 ⇄ MMXXVIRoman numeral converter
Numbers 1 to 3,999 and back.
100 g ⇄ ¾ cupGrams to cups
20 ingredients, each with its own weight per cup.
1 cup ⇄ 125 gCups to grams
Charts from ⅛ cup to 1 cup.
180 °C ⇄ 356 °FOven temperatures
Celsius, Fahrenheit, gas mark and fan oven.
3 PM ET ⇄ 12 PM PTTime zone converter
Any city or zone, daylight saving handled automatically.
US 9 ⇄ EU 42.5Shoe size converter
US men's and women's, UK, EU and foot length in cm.
US 7 ⇄ 54 mmRing size converter
US, UK and EU ring sizes from your finger's circumference.
Title ⇄ snake_caseText case converter
UPPER, lower, Title, Sentence, camelCase and more.
250 words · 1 minWord counter
Words, characters, sentences, reading time and post limits.
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Questions
Are these converters free?
Yes, with no sign-up and no limits.
Does anything I type get sent anywhere?
No. Every conversion runs in your browser.