Enter the profit you are withdrawing and the firm's split. Many firms pay 100% up to a threshold and a lower share above it; leave the threshold at 0 for a flat split.
Prop firm payout calculator
Payout rules often matter more than the split: minimum payout amounts, caps per payout, buffers you must leave in the account and consistency rules decide when you can withdraw at all. Those are listed on each firm review.
Questions traders ask
What does 100% of the first $10,000 mean?
Some firms let you keep all profit up to a threshold, then apply the normal split above it. Enter the threshold in the first field; enter 0 if the firm uses a flat split.