Billable Hours Calculator

Summary

Add time entries with descriptions and hourly rates, then get an instant invoice total.

How it works

1. Enter a description for the work item (e.g. "Frontend development").
2. Set the hours and minutes spent on that item.
3. Enter your hourly rate in USD.
4. Click "Add Entry" to add it to the invoice.
5. Repeat for all work items — the total updates automatically.
6. Click "Copy Invoice" to copy a plain-text invoice summary.

Use cases

• Freelancers billing clients for project work.
• Consultants calculating fees before sending invoices.
• Agencies tracking time across multiple task types.
• Contractors logging hours at different rates for different tasks.
• Personal use to estimate project costs before quoting a client.

Frequently Asked Questions