How to Track Time as a Freelancer
If you bill by the hour, your time is your inventory. Learning how to track time as a freelancer is the difference between billing what you actually worked and billing what you can remember on invoice day. Memory loses money. It rounds down, it forgets the 20-minute phone call, and it drops the Sunday night you spent fixing a client's broken export.
This guide covers the two main ways to track time, what to write down for every entry, how to round fairly, and how to turn a week of hours straight into an invoice. No spreadsheet required.
Untracked time is money you gave away
Say you work 40 hours on client projects in a week but only log the big blocks. The two-hour design session goes in. The kickoff call, the three email threads, and the quick revision do not. That is maybe 90 minutes of real work that never reaches an invoice. At $80 an hour, you just worked for free for the price of a nice dinner.
Do that every week and it adds up to thousands of dollars a year. The work happened. You simply did not write it down, so you could not bill it. Time tracking is not busywork. It is how you get paid for what you actually did.
Two ways to track: a running timer or a daily log
There are two methods that work. Most freelancers use one or the other, and some use both depending on the job.
The running timer
You start a timer when you begin a task and stop it when you finish. The tool records the exact minutes. This method fits deep, single-task work: a three-hour writing block, a long design session, a coding sprint where you stay on one thing.
The timer is accurate because it measures real time, not a guess. The catch is that you have to remember to start it, and you have to stop it when you step away. A timer left running through lunch bills the client for your sandwich.
The manual daily log
At the end of each task or each day, you write down what you did and how long it took. No timer runs in the background. This method fits work that jumps around: a day of short calls, quick fixes, and email where a timer would be started and stopped 15 times.
The daily log takes discipline because you are recalling the hours, not measuring them. Do it the same day, not at the end of the week. By Friday you will not remember Tuesday.
What to record for every entry
Whatever method you pick, every time entry needs four things:
- Date - The day you did the work. You need it for the invoice and for your own records.
- Client - Who the work was for. This is how you split hours across clients later.
- Task - A short, plain description. "Homepage revisions" beats "design." Your client reads this on the invoice.
- Hours - How long it took, in hours or minutes.
Write the task description as if the client will read it, because they will. "Work" tells them nothing. "Phone call about product photos, then edited 12 images" tells them exactly what they are paying for and cuts down on questions.
Billable and non-billable time
Not every hour you work is an hour you bill. Billable time is work you do for a client that goes on their invoice: the design, the calls, the revisions. Non-billable time is your own overhead: your bookkeeping, your marketing, the proposal you wrote to win the job.
Track both. You only bill the billable hours, but knowing your non-billable time tells you how much of your week actually earns money. If you work 45 hours and only 30 are billable, your real hourly rate is lower than the number on your invoice. That is worth knowing before you set your prices.
Round your time fairly
You do not have to bill in exact minutes. Most freelancers round each entry to the nearest 15 minutes. It keeps the math clean and the invoice easy to read. The rule is to round both ways, not always up. A task that ran 38 minutes rounds to 45. A task that ran 20 minutes rounds to 15. Round everything up and the client notices, and that costs you trust worth more than the extra minutes.
Pick a rounding rule and apply it the same way every time. Fair and consistent beats squeezing an extra six minutes out of every task. Clients remember how your invoices feel.
A week split across two clients
Here is a normal week for a freelance designer who bills $80 an hour and works for two clients. Every entry is already rounded to the nearest 15 minutes.
Northbay Bakery (website):
- Monday - Homepage layout: 3.0 hours
- Tuesday - Product photo edits: 2.25 hours
- Thursday - Homepage revisions: 1.5 hours
- Client total: 6.75 hours at $80 = $540
Cedar Law Office (branding):
- Wednesday - Logo concepts: 4.0 hours
- Friday - Business card design: 2.5 hours
- Friday - Feedback call and notes: 0.75 hours
- Client total: 7.25 hours at $80 = $580
That is 14 billable hours across the week and $1,120 total. Each client gets a separate invoice with only their own entries. Northbay sees $540 for six line items of website work. Cedar sees $580 for their branding. Neither one sees the other, and you did not add anything up by hand.
Turn a week of entries into an invoice
This is where tracked time pays off. If you logged every entry against the right client, the invoice is already built. You are not copying hours out of a notebook or rebuilding them in a spreadsheet on Friday afternoon.
In SettleDue, you log time entries against each client as you work. When the billing period ends, you generate an invoice from those entries and the hours, tasks, and totals drop in as line items. You check it, set the due date, and send the PDF. A week of tracked time becomes a finished invoice in a couple of minutes.
This is also why the task descriptions matter. The words you wrote on Tuesday are the words the client reads on the invoice. Clear entries mean fewer questions and faster payment. If you want the full billing walkthrough, read how to invoice as a freelancer. You can also build a one-off bill with the invoice generator when you just need a single document.
Habits that make tracking stick
The best time-tracking method is the one you actually keep up. A few small habits make it automatic:
- Log it now, not later. Record the entry when you finish the task, while you remember what you did. End-of-week catch-up is where hours disappear.
- Track one thing at a time. Switch the client or task in your tracker when you switch work. Mixed entries are guesses.
- Write real descriptions. Ten seconds of "edited 12 product photos" saves a back-and-forth email later.
- Review on Friday. Look at the week before you invoice. Fix any entry that is vague or on the wrong client.
- Count the non-billable hours too. They tell you what your time is really worth.
Start small. Track one client for one week and send an invoice built straight from those entries. Once you see the hours you used to lose, tracking stops feeling like a chore.
Your hours are the product. Track them as you work, round them fairly, and turn them into invoices without the spreadsheet. SettleDue has handled time tracking and invoicing for freelancers since 2011, and every plan includes unlimited invoices.
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