Unpaid Overtime Calculator

Unpaid Overtime Calculator

Work out the real value of extra unpaid hours, the effective hourly rate, and whether the pattern risks dropping below UK wage thresholds.

Architecture Social

Pay and hours

Wage threshold check

Workload reality

Required working time matters more for minimum wage risk than a one-off late finish.
Percentage of extra hours that are paid, credited or genuinely balanced.
Use this when a studio gives proper days back, not just vague flexibility.
Estimated net unpaid value £0

Enter salary and hours to estimate the cost of unpaid overtime.

Ready
Contract hourly rate £0.00
Effective hourly rate £0.00
Net unpaid hours 0
Salary to protect rate 0

Pay breakdown

Unpaid hours per week0
Gross weekly unpaid value£0
Gross annual unpaid value£0
Paid or TOIL offset0
Annual paid hours0
Net assessed hours0
Hourly rate reduction0%
Working-time flagReady

Threshold check

This checks against April 2026 UK National Minimum Wage and voluntary Real Living Wage rates.

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