Time tracking accuracy determines billing accuracy and reveals productivity patterns. Learn the methods, categories, and tools for tracking time that makes you both more profitable and more productive.
Even when you charge project-based fixed fees, tracking time is essential. It tells you: whether your estimates are accurate, which project types are most profitable per hour, how your time is actually distributed between billable and non-billable work.
Real-time tracking (most accurate): Start a timer when you begin a task, stop it when you switch. Apps: Toggl Track (free), Clockify (free), Harvest (paid).
Retrospective tracking: Log time at end of day or week from memory. Less accurate but lower friction. Good for experienced freelancers who know their time patterns.
Pomodoro method: Work in 25-minute focused blocks, log each block. Combines productivity with time tracking.
Billable client work: Direct work on client deliverables.
Client communication: Emails, calls, meetings. Billable for some, overhead for others.
Business development: Proposals, pitches, networking. Non-billable investment.
Administration: Invoicing, bookkeeping, tool management. Non-billable overhead.
Professional development: Learning, courses, conferences. Non-billable investment.
Ideal ratio: 70-80% billable on total worked hours. If below 60%, your non-billable overhead is too high.
For hourly clients: Export weekly time reports, attach to invoices.
For project clients: Track time internally to verify profitability, do not share unless asked.
FlowFund revenue module tracks your MRR and project billing. Pair with Toggl for time tracking.
Free to start. No bank connection needed. 150+ currencies, tax estimates for 20 countries.
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