Billable Hours Calculator

Log your time entries, choose your rounding rule, and instantly see the total hours and amount to invoice. Built for freelancers, consultants, and contractors who charge by the hour.

Frequently asked questions

How do I track billable hours as a freelancer?

The simplest approach is to log each task as you work — note the description and time spent. At the end of the week or project, total your hours and multiply by your hourly rate. This calculator lets you add multiple time entries and apply rounding so your invoice total is precise and professional.

Should I round up my billable hours?

Rounding is common practice and is accepted by most clients provided you disclose it. Rounding to the nearest 15 or 30 minutes is the most widely used convention. Some consultants round to the nearest hour for simplicity. Always state your rounding policy in your contract or terms of business.

How do I invoice for hourly work?

List each task or time block on your invoice with the hours worked and the hourly rate. Show the subtotal per line and the grand total at the bottom. InvoiceAdept lets you add line items with quantities and unit prices, making it straightforward to turn your time log into a professional invoice in seconds.

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