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Duration & Number Words
One value per line. "3661s" (or 3661 seconds) → "1h 1m 1s"; a plain integer → English words ("1234" → "one thousand two hundred thirty-four", up to 999 trillion, negatives allowed).
A little guidance. A better result.
How to use Duration & Number Words
3661s → "1h 1m 1s"; 1234 → "one thousand two hundred thirty-four".
Prepare your input
Enter a seconds value such as 3661s or a plain integer.
Use the workspace
Review the duration or English-number output.
Check your result
Check units and the accepted numeric range.
Know the limits
Durations and integer words are separate formats; decimals and integers at or above one quadrillion are unsupported.
Where does my input go?
This browser tool processes your input on your device. Optional analytics is a separate choice; it is not needed to use the tool. Keep your original until you have checked the result.
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