Billable Leakage Calculator
Estimate lost revenue from forgotten billable work with a free time tracking ROI calculator for freelancers, agencies, consultants, and service teams.
Estimate your revenue leak
Enter the billing assumptions that match your team. Even small gaps usually become large lost revenue over a month or quarter.
What forgotten work may be costing you
This estimate turns a daily tracking gap into a monthly and annual revenue number you can act on.
That equals 60.00 lost billable hours per month across the team.
Each person loses about 6.00 billable hours per month before invoicing even starts.
Best for invoice archaeology
Use this when invoices are regularly rebuilt from memory, Slack messages, calendars, or old notes.
Useful before a process change
Share the estimate with freelancers, consultants, or agency leads to make underbilling visible before rollout.
Use the number to justify the switch
Then connect the result to Sandtime.io reporting, timesheets, and project visibility so the revenue leak actually shrinks.
Use it as a time tracking ROI calculator
Time tracking ROI rarely comes from abstract productivity promises. It usually comes from recovering forgotten billable hours, sending cleaner invoices, and spotting margin drift before it compounds.
If the estimate already looks meaningful, Sandtime.io helps turn it into a daily workflow: capture work earlier, report cleanly, and keep trust without surveillance.
Leakage questions
How is the estimate built?
Forgotten minutes a day become hours a month, multiplied by the people tracking and the average rate. The annual figures are the monthly ones times twelve, which assumes the pattern holds.
Why not assume all the lost time comes back?
Nobody recovers everything. The recovery share is what you expect to capture once the work is recorded as it happens, and 60% is a deliberately unambitious default. Set it lower if you want the conservative case.
Is the recovered figure real money?
Only if the hours reach a paid invoice. Recovered time still has to be eligible to bill, approved, invoiced, and paid, and each step loses some of it. Treat this as the ceiling, not the bank balance.
What is a realistic number of forgotten minutes?
Fifteen to twenty minutes a day is a common starting point, and it is smaller than most people expect because leakage is made of small pieces: a call not logged, a review absorbed, a fix that took ten minutes.
Can I put this figure in a business case?
It is an estimate from assumptions you chose, which makes it useful for deciding whether to look, not for reporting. The measured version comes from comparing a baseline with what a real record captures.
Use Sandtime.io to recover the revenue, not just measure it
Sandtime.io helps teams capture fragmented work, turn hours into client-ready reports, and improve project visibility without screenshots or keystroke logging.