Converters

Free online converters for units, numbers, base conversion, timestamps and more. Fast utilities in your browser, no sign-up.

Unix Timestamp Converter

Convert between Unix timestamp and date/time.

Bytes Converter

Convert bytes to KB/MB/GB/TB.

Number Base Converter

Convert numbers between binary, decimal, hex.

Percentage Calculator

Calculate percent increase/decrease and part of total.

RGB to HEX

Convert RGB color to HEX.

HEX to RGB

Convert HEX color to RGB.

Aspect Ratio Calculator

Calculate missing dimension by aspect ratio.

Timezone Converter

Convert date/time between time zones (basic).

Celsius ↔ Fahrenheit

Convert temperature between Celsius and Fahrenheit.

Kilograms ↔ Pounds

Convert kg to lbs and back.

Kilometers ↔ Miles

Convert km to miles and back.

Tip Calculator

Calculate tip and split bill.

Age Calculator

Calculate age from birth date.

Loan Payment Calculator

Estimate monthly payment (amortization).