Take your current annual take-home pay before tax and divide by 80. Quote that as your daily rate and negotiate from there. Edit: here's why: • Fixed-price work is toxic for all parties. Never take a fixed-price job. They pay for your time. • Hourly billing is for lawyers and hookers. You think by the day. • In regular employment you (probably) work ~240 days a year. But as a freelancer the income is very lumpy. You will have downtime, you will have cashflow timing issues especiall...