Freelancer rates

Beginner freelancer: $25-$40 per hour
Intermediate freelancer: $40-75 per hour
Good, experienced freelancer: $75 – $125 per hour
Excellent, in demand freelancer: $125 – $175 per hour
Specialist, best in industry: $175 – $400 per hour

Agency rates

Small market general agency: $50 – $75 per hour
Medium market general agency: $75 – $115 per hour
Medium market reputable agency: $115 – $150 per hour
Medium market high end agency: $150 – $175 per hour
Medium market best in industry agency: $175 – $225 per hour
Large market reputable agency: $150 – $175 per hour
Large market high end agency: $175 – $250 per hour
Large market best in industry agency: $200 – $275 per hour

See the great article at Post Status for the full report on how to price your website work