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About this tool
Convert days to fortnights instantly. Free, bidirectional, and fully in-browser.
1 day equals 0.07142857143 fortnights — enter any day value to convert it to fortnights instantly. This Day to Fortnight converter is a client-side tool: it applies a single multiplication (fn = d × 0.07142857143) in your browser, updates the moment you type, and works in both directions — edit either field, or press swap, to convert fortnights back to days. A reference table lists common day values already converted, and nothing you enter is sent to a server.
Open Day to Fortnight Converter on AltFTool — it loads instantly in your browser.
Type the value you want to convert into the Day field.
Read the equivalent in fortnights in the result field, and copy it if needed.
Use the decimal-places slider for more or less precision, or press swap to convert fortnights to days.
The result updates as you type, and the swap button flips the conversion to fortnight → day without reloading.
The conversion uses the precise factor (fn = d × 0.07142857143), 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 day is 0.07142857143 fortnights. Multiply the day value by 0.07142857143 to convert. For example, 10 d = 0.7142857143 fn.
fn = d × 0.07142857143. This tool applies it automatically and shows a worked example: 10 d = 0.7142857143 fn.
Yes. Press the swap button, or type into the fortnight field, and the tool converts fortnights to days using the inverse of the same relationship.
It uses the standard time and duration definition (fn = d × 0.07142857143), 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 Day to Fortnight Converter widget to your blog or website — free, responsive, no signup. Just keep the “Widget by AltFTool” credit link visible.
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