Billable Hours Calculator
See your real earnings, effective rate, and exactly how much non-billable work is costing you - in real time.
Save your results and track this automatically
Worklenz logs billable hours per project and client. Sign up free and see your real utilization every day.
Automatic Billable Time Tracking
Log every billable hour with one click - no more manual spreadsheets
Real-Time Utilization Reports
See exactly how much of your week is billable vs non-billable, every day
Project Profitability Tracking
Know the true profit on every project without waiting for invoicing
Invoice Directly From Time Logs
Generate invoices from logged hours - zero manual data entry
Change-Request Workflow
Capture scope creep as a change request and bill for it - no more free work
Team Capacity Planning
Know who has bandwidth before you say yes to new work
Why use it through Worklenz?
Worklenz auto-logs billable hours per project - stop entering data twice.
Saving your hours to Worklenz means you never lose track of billable time again.
Free for teams up to 5 people · No credit card required
Frequently Asked Questions
Your questions answered
Enter your hourly rate, pick your currency, and fill in billable and non-billable hours for each weekday. Add any discount or expenses - results update instantly.
Your effective hourly rate is your total revenue (after discounts and expenses) divided by every hour you worked - billable and non-billable combined. It shows your true earnings per hour of your life spent working.
Billable efficiency is the percentage of your total working hours that are billable. Top-performing consultancies aim for 65-80% efficiency. Below 50% signals a serious revenue leak.
Yes - simply leave the days you didn’t work empty (zero hours). The annualized projection will adjust automatically based on the actual hours you entered.
Use your actual or target billable rate - the rate you invoice or aim to invoice at. The calculator then shows exactly how much non-billable time is costing you at that rate.
Your inputs are saved to your browser localStorage for 7 days so you can come back and resume. No data is sent to any server, and nothing is stored in your Worklenz account unless you sign up.
The first step is to measure it - this calculator makes the cost visible. For an ongoing solution, use Worklenz to log billable hours automatically and track your team's utilization.