Converters — free online tools

Length, weight, temperature, speed and all unit converters

All Converters tools (10)

Length Converter — Convert between meters, feet, inches, miles, km and all length units
Weight Converter — Convert between kg, pounds, grams, ounces, tons
Temperature Converter — Convert between Celsius, Fahrenheit, and Kelvin
Data Storage Converter — Convert between bytes, KB, MB, GB, TB
Area Converter — Convert between m², hectares, acres, sq ft, sq yd and more
Volume Converter — Convert litres, millilitres, gallons, cups, tablespoons and cubic units
Speed Converter — Convert km/h, mph, m/s, knots and Mach
Time Converter — Convert seconds, minutes, hours, days, weeks, months and years
Number Base Converter — Binary, octal, decimal, hex and any base up to 36 — arbitrary precision
Roman Numeral Converter — Convert numbers to Roman numerals and back (1–3999)

Universal Metric Systems — Convert values across imperial, metric, and international standard unit classifications.
Instant Multi-Unit Outputs — Type once and view converted results across all metric scales simultaneously.
Offline Calculations — Translate weight, temperature, and length metrics in the field without internet connections.

We support meters, kilometers, centimeters, millimeters, miles, yards, feet, inches, and nautical miles.

Yes, it accurately processes extreme positive and negative scales across Celsius, Fahrenheit, and Kelvin.

Yes. All unit converters run fully offline, contain no usage limits, and require no premium subscriptions.