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About this tool
Convert US cups to UK gallons instantly. Free, bidirectional, and fully in-browser.
1 us cup equals 0.05204213654 UK gallons — enter any us cup value to convert it to UK gallons instantly. This US cup to UK gallon converter is a client-side tool: it applies a single multiplication (gal = cup × 0.05204213654) in your browser, updates the moment you type, and works in both directions — edit either field, or press swap, to convert UK gallons back to US cups. A reference table lists common us cup values already converted, and nothing you enter is sent to a server.
Open US cup to UK gallon Converter on AltFTool — it loads instantly in your browser.
Type the value you want to convert into the US cup field.
Read the equivalent in UK gallons in the result field, and copy it if needed.
Use the decimal-places slider for more or less precision, or press swap to convert UK gallons to US cups.
The result updates as you type, and the swap button flips the conversion to uk gallon → us cup without reloading.
The conversion uses the precise factor (gal = cup × 0.05204213654), so the number matches a manual calculation to the decimal places you choose.
A slider sets 0–10 decimal places, and very small or very large results switch to scientific notation instead of rounding to zero.
Everything runs locally in your browser — no upload, no account, no limit on conversions.
One us cup is 0.05204213654 UK gallons. Multiply the us cup value by 0.05204213654 to convert. For example, 10 cup = 0.5204213654 gal.
gal = cup × 0.05204213654. This tool applies it automatically and shows a worked example: 10 cup = 0.5204213654 gal.
Yes. Press the swap button, or type into the uk gallon field, and the tool converts UK gallons to US cups using the inverse of the same relationship.
It uses the standard volume and capacity definition (gal = cup × 0.05204213654), not a rounded approximation, so results are exact to the number of decimal places you select.
Yes. The converter is a browser-side script with no network calls: your values are never uploaded, and once the page has loaded it keeps working without a connection.
Add the US cup to UK gallon Converter widget to your blog or website — free, responsive, no signup. Just keep the “Widget by AltFTool” credit link visible.
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