Convert volume instantly between milliliters, liters, cubic meters, fluid ounces, pints, quarts, and gallons. Type a value, pick units, and see all 7 conversions live - all processing stays in your browser.
Technical Specifications
Conversion factors and display rules used for every calculation.
| Specification |
Details |
| Supported units |
Milliliter (ml), Liter (L), Cubic Meter (m3), Fluid Ounce (fl oz), Pint (pt), Quart (qt), Gallon (gal) - 7 units |
| Base unit |
Liter (L). All conversions go through liters: value -> liters -> target. |
| Factors to liter |
ml 0.001, L 1, m3 1000, fl oz 0.0295735295625, pt 0.473176473, qt 0.946352946, gal 3.785411784 |
| Formula |
result = amount x (fromFactor / toFactor) |
| Precision |
Double precision (IEEE 754). Display up to 9 decimal places, trailing zeros trimmed; exponential for |n| >= 1e12 or |n| < 1e-6 |
| Input handling |
Commas ignored, decimal points accepted, negatives allowed. Empty or invalid shows helper message. Update is live on input. |
| Matrix |
Every keystroke also recomputes the All Units grid: input amount shown in all 7 units relative to the From unit. |
| Processing location |
100% client-side JavaScript in your browser memory; nothing is uploaded |
| Export |
Copy result to clipboard or download a plain-text report with inputs, result, and all-units table |
| Usage limit |
None - run unlimited conversions for free, no signup required |
Understanding Volume Units
Volume measures three-dimensional space. A liter is defined as one cubic decimeter, while a US gallon is defined as 231 cubic inches or exactly 3.785411784 liters. That single definition ties metric and US customary systems together.
Metric: milliliters to cubic meters
Metric volume: 1000 milliliters make a liter, and 1000 liters make a cubic meter. Labs use milliliters, kitchens use liters, and tanks use cubic meters. Shifting the decimal by three converts between these units.
US customary: fluid ounces to gallons
US customary: 8 fluid ounces make a cup, 16 fluid ounces make a pint, 2 pints make a quart, and 4 quarts make a gallon (128 fl oz). US recipes use cups and fluid ounces, drinks use pints, and fuel uses gallons.
When to use which unit
Use milliliters for medicine and small liquids, liters for bottles and cooking, cubic meters for large tanks, fluid ounces for small US recipes, and gallons for fuel and large containers. Convert through liters with fromFactor / toFactor - for example liters to gallons multiplies by 0.264172052.
Honest limitations
This tool uses US customary gallons (3.785 L). UK gallons (4.546 L) are about 20 percent larger. Values beyond 1e12 liters switch to exponential form. The tool does not handle cubic feet or cubic yards - for those, use the Length Converter or Area Converter patterns.
Privacy and Client-Side Security
Privacy Guarantee: All conversions occur locally inside your browser. Your numbers and selected units are never transmitted, stored, or recorded on remote servers.
Many online converters send your inputs to a server for lookup, which is unnecessary for fixed-factor math. TinyToolzz keeps everything in-page: factor tables, multiplication, and formatting run with plain JavaScript number operations.
Because nothing is uploaded, there is no waiting, no account, and no copy of your figures retained anywhere. Your values exist only in the tab's memory and are discarded when you close the page or click Clear.