Turn a deadline into a daily number
Work backward from the date
Subtract what you have written from your target length, then divide by the days left. The result is the daily minimum to finish on time. Aim a little higher, because days will go sideways.
Compare your real pace
If you know your usual words per day from writing sprints or past sessions, the calculator shows the projected finish date at that pace. When the projected date is later than your deadline, you know exactly how much faster you need to write.
Plan the week, not the day
A daily target of 1,100 words sounds different as a weekly total of about 7,700. Serial authors often write a little every day and front-load extra words on their best days so light days do not break the plan.
Where this fits in your writing workflow
A deadline is only useful when it becomes a daily number you can plan around. Comparing your real pace with the required pace shows whether to write more, extend the date, or shorten the book.
The daily words get written in Webnovels AI, where planning and drafting happen beside your story records.