# How to track and bill your time in Stacks — Stacks Features

> Track billable hours with a one-click timer or manual entries, group work into projects with hourly rates, then roll unbilled time straight into a draft invoice — all free in Stacks.

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[Features](https://stackscrm.com/features) › [Tasks & Time](https://stackscrm.com/features#invoicing) › **Track and bill your time**

# How to track and bill your time in Stacks

Tasks & Time · about 4 min · updated Aug 2026

Stacks has a built-in time tracker for people who bill by the hour. Run a one-click timer while you work — or log hours by hand afterwards — group everything into client projects with an hourly rate, and when it's time to get paid, roll your unbilled hours straight into a draft invoice. No stopwatch on your phone, no spreadsheet, no re-typing hours into a separate invoicing tool.

Time tracking lives inside the **Invoicing** module. In the app you'll find it by opening **Invoicing** and clicking **Time** in the sidebar; projects sit right next to it under **Projects**.

## Before you start

- Time tracking is part of the **Invoicing** module, which is **free** and included for everyone — there's nothing to switch on.
- To **bill** time, the project needs a **client** (a contact) and, ideally, a **default hourly rate** — that rate is what turns hours into dollars.
- Admins, managers and members can track **their own** time. Creating projects and turning time into an invoice needs create/edit invoicing access — **admins, managers and team members** have it (view-only users don't).

## Step by step

1. **Open the Time tool.** In Stacks, click the **Invoicing** tab, then **Time** in the sidebar. You'll see the timer at the top and a weekly report below it.
2. **Set up a project (recommended).** Still under Invoicing, open **Projects → New Project**. Give it a name, pick the **Client**, set a **Default hourly rate** and **Currency**, and save. Tracking time against a project is what lets Stacks price and bill it later. You can also track time with *No project* selected if you just want a record.
3. **Start the timer.** Choose a project from the dropdown, type what you're working on, and leave **Billable** checked. Click **▶ Start** — a live clock counts up. Click **■ Stop** when you're done and Stacks saves the entry. Starting a new timer automatically stops the one that's running, so you can switch tasks without losing anything.
4. **Or log time manually.** Worked away from the timer? On the Time page click **+ Add manually**, then enter the **date**, project, a description, and how many **hours** you worked (decimals are fine — e.g. *1.5*). Keep **Billable** checked if it should be billed, and click **Log**.
5. **Review your week.** Use the **← / →** arrows to move between weeks. Each week shows a per-day bar chart, your total hours, the billable amount, and a list of every entry. You can delete any entry that hasn't been invoiced yet with the **✕** button.
6. **Bill the time.** Open the **project** (Invoicing → Projects → the project). Its **Unbilled time** card shows the amount and how many entries are ready. Click **Invoice unbilled time** and Stacks creates a **draft invoice** — one line per entry, priced at hours × rate — and marks those entries as invoiced. You land on the draft to review and send.

💡

**It's all free.** The timer, manual entries, projects, and turning tracked time into an invoice are part of the Invoicing module and free on every plan. There's **no AI Pro upgrade** for time tracking — every step above works for everyone.

## Good to know

- **One timer at a time.** Each person has a single running timer. Starting a new one stops the current one automatically — handy for hopping between tasks.
- **Rates come from the project.** A billable entry is priced at the project's **default hourly rate**, so set the rate on the project once and every entry follows it. Each project also has its own **currency** (USD, EUR, GBP or CAD).
- **Non-billable time still counts.** Uncheck **Billable** for internal or non-chargeable work — Stacks tracks the hours but bills them at $0 and leaves them out of invoices.
- **Billing pulls only unbilled, billable, finished entries.** Running timers, non-billable time, and anything already invoiced are skipped. The project must have a client, or Stacks will ask you to add one first.
- **Invoiced entries lock.** Once an entry is rolled into an invoice it's marked *Invoiced* and can no longer be deleted, so your billing history stays intact.

## Frequently asked

Do I need a paid plan to track time?

No. Time tracking is part of the free Invoicing module, so the timer, projects and billing time are available to everyone at no cost.

How does Stacks work out what to charge?

Each project carries a default hourly rate. A billable entry is billed at its hours × that rate; non-billable entries are $0. When you invoice a project, every unbilled billable entry becomes its own line on the draft invoice.

Can I edit an entry after I've billed it?

No — once an entry is on an invoice it's locked and shows as *Invoiced*. Before that, you can delete your own entries from the weekly list. The invoice itself stays a draft until you review and send it.

Was this helpful?

## Related articles

[Create a client project →](https://stackscrm.com/features/bill-project-time) [Turn tracked time into an invoice →](https://stackscrm.com/features/create-and-send-invoice) [Log time manually →](https://stackscrm.com/features/track-and-bill-time) [Import your contacts →](https://stackscrm.com/features/import-contacts)

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