Quick Answer
This productivity calculator works two ways. Team utilization mode finds your monthly revenue gap: team size × weekly hours × (target utilization % − current %) × hourly rate × 4.33 weeks. Revenue productivity mode computes revenue per employee = total revenue ÷ employees, and revenue per hour = revenue ÷ (employees × weekly hours × 52).
How to Use the Productivity Calculator
The calculator has three modes because “productivity” means three different things depending on who is asking. Pick the one that matches your question before entering anything.
| Mode | Question it answers | Inputs |
|---|---|---|
| Team utilization | How much revenue are we leaving on the table? | Team size, billing rate, hours per week, current and target utilization |
| Revenue productivity | What does each person bring in? | Total revenue, employees, hours per person per week |
| Output productivity | How much output does each unit of input buy? | Output value, labour cost, and optionally other input costs and labour hours |
- Choose the mode from the three pills at the top.
- Set the currency once. All three modes share it — change it anywhere and the other pickers follow.
- Fill the fields for that mode. Only Output productivity has optional fields; everything else is required.
- Read the large figure first, then the supporting cells beneath it. Utilization mode also writes a plain-English sentence under the results.
Output Productivity: The Classic Ratio
This is the measure most textbooks mean by productivity — output divided by the inputs consumed to produce it. The calculator computes two versions of it.
Labour productivity = output ÷ labour cost
Multifactor productivity = output ÷ (labour + capital + materials + energy)
Both divide money by money, so they are dimensionless ratios, not amounts — the calculator prints them without a currency symbol for exactly that reason. A ratio above 1 means the output is worth more than the inputs consumed; below 1 means it is not.
Use the same period for every field. Annual output against monthly labour cost produces a ratio twelve times too flattering. The calculator cannot detect that, because both numbers are just currency to it.
Labour cost and labour hours are two different inputs and the calculator treats them that way. Labour cost belongs in the ratio and should be the full employment cost for the period — wages, salaries, employer taxes and pension contributions, not just gross pay, because those are all costs the output has to cover. Labour hours are optional and sit outside both ratios; they exist only to produce the per-hour figure. Entering hours where a cost belongs is the most common way to get an answer that looks plausible and is meaningless, since the two are not interchangeable and the ratio would then be dividing currency by time.
Worked example
- Enter output of 500,000 and labour cost of 400,000. Labour productivity is 500,000 ÷ 400,000 = 1.25 — every unit of wages returns 1.25 units of output.
- Leave “other input costs” blank and multifactor productivity also reads 1.25, because labour is then the only input being measured. The calculator warns you that the two have collapsed rather than letting two identical numbers look like a bug.
- Add 100,000 of capital, materials and energy. Total input becomes 500,000, so multifactor productivity is exactly 1 — break-even — while labour productivity is unchanged at 1.25.
- Raise other inputs to 150,000 and multifactor productivity falls to 0.909. The tag under the headline flips to say the output is worth less than the inputs consumed.
- Add 10,000 labour hours and the third cell reports 50 per hour of output. Hours never touch either ratio — they only add the per-hour view.
That sequence is the whole argument for measuring more than labour. Labour productivity did not move at all across steps 2 to 4, while multifactor productivity fell from 1.25 to 0.909 — a 27% drop the labour-only figure is structurally incapable of showing. A business that automates by buying machines will always look more productive on a labour-only measure, because it has moved cost out of the denominator rather than reduced it.
| Other input costs | Total input | Labour productivity | Multifactor productivity |
|---|---|---|---|
| none entered | 400,000 | 1.25 | 1.25 |
| 100,000 | 500,000 | 1.25 | 1 |
| 150,000 | 550,000 | 1.25 | 0.909 |
The ratio is shown to three decimals below 10, so 1.045 and 1.05 stay distinguishable — a single percentage point of productivity is a real difference at scale. Above 10 it drops to two decimals and above 100 to one, and trailing zeros are stripped, so a ratio of exactly two prints as 2 rather than 2.000.
This is a level ratio, and national statistics offices compute something different under the same name. The ONS describes multi-factor productivity as the part of a change in output that “cannot be accounted for by changes in inputs of quality-adjusted labour and capital” — a growth-accounting residual, weighted by cost shares and adjusted for input quality, not a simple division. Both are legitimately called multifactor productivity. Use this calculator to compare your own periods and sites with each other; do not expect its number to line up with a published national MFP index.
Team Utilization: The Revenue Gap
Utilization mode asks a narrower question: if your billable percentage rose to a target, what would that be worth? It is the standard agency and consultancy calculation.
Revenue = team size × hours per week × utilization ÷ 100 × weeks per month × billing rate
Working the shipped defaults — 5 people, 125 per hour, 40 hours a week, moving from 45% to 80% utilization:
- At 45% the team bills 5 × 40 × 0.45 = 90 hours a week, which over 4.3333 weeks a month at 125 an hour is 48,750 per month.
- At 80% the same team bills 160 hours a week, or 86,666.67 per month.
- The gap is 37,916.67 per month, and 455,000 a year.
- Spread across five people over five working days, closing that gap means 2.8 more billable hours per person per day — which is the number that tells you whether the target is realistic.
Weeks per month is 52 ÷ 12 = 4.3333, not 4.33. Several published utilization calculators round it, and on the example above that rounding returns 37,887.50 instead of 37,916.67 — a difference of 28.67 a month and 344 a year. Small, but it means this calculator and a rounded one will not agree, and the gap grows with team size. This one uses the exact figure.
Set the target below the current figure and the calculator refuses to invent a negative opportunity: the gap floors at zero and a warning tells you to drag the target above current instead.
Revenue Productivity: Per Employee and Per Hour
The middle mode is the simplest. Revenue per employee is total revenue divided by headcount; revenue per hour divides the same revenue by total hours worked across the year, which the calculator builds from headcount, weekly hours and 52 weeks so you never have to compute an annual hours total yourself.
500,000 of revenue across 5 employees is 100,000 per person per year. Those five people at 40 hours a week work 10,400 hours in a year, so the same revenue is 48.08 per hour. The ONS frames labour productivity the same way, describing it as the “efficiency of the UK workforce, including output per worker, per job and per hour” — the three denominators this mode and the output mode cover between them.
Which Mode Should You Use?
- You sell time. Agencies, consultancies, law and accounting firms: use Team utilization. Billable percentage is the lever you actually control.
- You want a headline benchmark. Revenue per employee is the figure boards and investors compare across companies, and it needs only two numbers.
- You make or process things. Manufacturing, logistics, agriculture, public services: use Output productivity, and enter the other input costs. Labour alone will mislead you the moment capital or materials change.
Limits Worth Knowing
Every mode assumes the inputs you give it are complete and cover the same period. Productivity is a ratio, so an error in either half moves it, and the calculator has no way to sanity-check your accounting.
Output productivity in particular measures value, not volume. If your prices rose 10% and nothing else changed, the ratio improves by 10% while not one extra unit left the building. That is why statistics agencies deflate output before computing productivity, and why comparing your own figure across periods of high inflation will flatter you unless you deflate too. If you need to work a percentage change back to the underlying figures, the Reverse Percentage Calculator handles that step.
Utilization mode assumes every billable hour is actually billed and collected, which is optimistic in most firms; treat its annual figure as an upper bound. And in 2026 as in any year, none of these numbers say anything about whether the work was worth doing — productivity measures the ratio of output to input, not whether the output was the right output.
