How day rates are calculated
Day rate = annual revenue target ÷ billable days. There are about 260 weekdays a year; subtract public holidays (≈8–12), vacation (≈20–25), sick days and gaps between contracts, and many contractors land between 180 and 220 billable days.
Half-day rates are shown as exactly 50%; many freelancers charge a premium (e.g. 60%) for half days because the other half is hard to sell. Need the revenue target? Start with the hourly rate calculator.