ToolNova

📏 Unit Converter — length, weight, temperature & more

One converter for everyday units: length, weight, temperature, speed, area, volume, digital storage and time. Results update live as you type, with the exact conversion factor shown for reference.

Unit Converter Free · no sign-up Added 2026-07-31
Input
Result

Private by design. This tool runs entirely in your browser — nothing you enter or add is uploaded to any server.

How it works

  1. Choose a measurement type — length, weight, temperature, speed, storage, area, volume or time.
  2. Enter a value and pick the units to convert between; the result updates instantly.
  3. Conversions go through an exact reference unit (or the official formula for temperature), so results stay precise.
  4. The status line shows the unit-to-unit factor, e.g. “1 mi = 1.609344 km”, for quick mental math.
  5. Everything is computed locally in your browser.

Examples

  • 5 Mile (mi) = 8.04672 Kilometer (km).
  • 100 °F = 37.7777777778 °C — temperature uses exact formulas, not factors.
  • 1 Gibibyte (GiB) = 1.073741824 Gigabyte (GB) — both decimal and binary storage units are included.
  • 1 US gallon (gal) = 3.785411784 Liter (L).

Frequently asked questions

Which unit types are supported?

Length, weight/mass, temperature, speed, digital storage (both SI decimal like MB and IEC binary like MiB), area, volume (US customary and metric) and time. The catalogue covers the units people search for most.

How precise are the conversions?

Factors use internationally defined exact values where they exist (for example 1 inch = 0.0254 meters exactly), and results are displayed to 10 significant digits — more than enough for everyday, engineering and recipe use.

What is the difference between MB and MiB?

Megabyte (MB) is decimal: 1,000,000 bytes. Mebibyte (MiB) is binary: 1,048,576 bytes. Storage makers use MB/GB/TB, while operating systems often report GiB/TiB — this converter includes both so the numbers finally line up.

Why does temperature use formulas instead of factors?

Because Celsius, Fahrenheit and Kelvin do not share a zero point, temperature conversion needs offsets as well as scaling: °F = °C × 1.8 + 32 and K = °C + 273.15. The tool applies the exact formulas for you.

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