# Volume Conversion Calculator

> Convert liquid and solid volume across metric, US customary, and cubic units.

Page: https://askcalculators.com/calculator/volume-conversion-calculator/
Definition: https://askcalculators.com/calculator/volume-conversion-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/volume-conversion-calculator/schema.json
Version: 1.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/volume-conversion-calculator/?value=1&fromUnit=gal&toUnit=l

## Inputs
- value: Volume; type=number; required; default=1
- fromUnit: From unit; type=select; required; default=gal; values=ml|l|m3|tsp|tbsp|floz|cup|pt|qt|gal|in3|ft3|yd3
- toUnit: To unit; type=select; required; default=l; values=ml|l|m3|tsp|tbsp|floz|cup|pt|qt|gal|in3|ft3|yd3

## Outputs
- result: Converted volume; format=number; primary
- liters: Equivalent liters; format=number

## Formula
liters = value × liters-per-source-unit; result = liters ÷ liters-per-target-unit

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.