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Converters

Move between everyday units, state-wise Indian land measures, and Unix timestamps. The definitions are the legal ones, and the conversion runs on this device.

15 tools · free · no account

Unit ConverterNewUnit Converter on Toolspire: Convert length, weight, area, volume, temperature, speed, data and 8 more quantities — including guntha, bigha, tola and lakh.Unix Timestamp ConverterNewUnix Timestamp Converter on Toolspire. Convert Unix epoch time to a date in any time zone and back. Detects seconds, ms, µs and ns; also Excel.Land Area ConverterNewLand Area Converter on Toolspire. Convert land area in India: bigha, biswa, katha, kanal, marla, guntha, cent, gaj, acre and hectare.Roman Numeral ConverterNewRoman Numeral Converter on Toolspire: Convert a whole number from 1 to 3999 into a Roman numeral, or check a numeral and read it back as a number.Number Base ConverterNewConvert a whole number between bases from 2 to 36, including binary, octal, decimal and hexadecimal. The maths stays on your device.Data Size ConverterNewData Size Converter on Toolspire: Convert a file size between bytes, kilobytes, megabytes, gigabytes and terabytes using 1,024 units, the way computers count.Time Zone ConverterNewTime Zone Converter on Toolspire: Convert a date and clock time from one IANA time zone to another, using your browser’s time-zone database.Time Duration CalculatorNewTime Duration Calculator on Toolspire: Add or subtract two durations in hours and minutes, and normalise the result so minutes stay under 60.Military Time ConverterNewConvert 24-hour military time such as 14:30 into 2:30 PM, and show the 24-hour form back again. The maths stays on your device.Indian Comma SeparatorNewIndian Comma Separator on Toolspire: Group a number the Indian way: the last three digits, then pairs, so 1234567 becomes 12,34,567.Temperature ConverterNewTemperature Converter on Toolspire: Convert Celsius to Fahrenheit and kelvin. 0 °C is 32 °F and 273.15 K. 100 °C is 212 °F. The maths stays on your device.Shoe Size ConverterNewShoe Size Converter on Toolspire. Convert a men’s UK shoe size using a fixed chart. UK 8 is US men 9, EU 42 and India 8. Sizes not on the chart are refused.Cooking Volume ConverterNewCooking Volume Converter on Toolspire. Add US cooking volumes into millilitres. A cup is 240 ml, a tablespoon is 15 ml and a teaspoon is 5 ml.Fuel Efficiency ConverterNewFuel Efficiency Converter on Toolspire: Convert kilometres per litre into litres per 100 km and US miles per gallon.Decimal Time ConverterNewTurn decimal hours into hours and minutes. 1.5 hours is 1 hour 30 minutes, which is 90 minutes. The maths stays on your device.

FAQ

Converters: common questions

What belongs in Converters on Toolspire?

Converters is one collection on justtools.info. Open any tool and the page tells you whether the work stays on your device or a public lookup is required.

Are the converters free?

Yes. Every converter is free to use with no limits and no account.

How accurate are the conversions?

They use exact legal definitions — 1 inch = 2.54 cm, 1 pound = 0.45359237 kg, 1 US gallon = 3.785411784 litres — and show up to 10 significant digits.

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