The Overhead Rate You've Never Calculated

Derive your real burden multiplier in an hour

Most small shops price a job by adding a margin to direct labour and materials, and never compute the burden multiplier that loads rent, idle hours, tools, and the owner's unbilled time onto every billable hour, so each quote quietly loses money in a way the profit-and-loss statement never names.

A quote written as materials plus labour plus markup assumes that the only costs of doing the work are the costs you can point at while doing it. But the shop also pays rent during idle hours, pays for tools that wear out, pays an owner who spends part of every week quoting and collecting rather than producing, and pays for the gap between hours worked and hours sold. These indirect costs are real, recurring, and absent from almost every small operator's price. This book defends a single claim: that the only honest way to price labour is to derive a burden multiplier, total indirect cost over total billable hours, and apply it to the raw labour rate before a margin is ever added. Without that multiplier, a quote that looks profitable at the markup can sit below the loaded cost of keeping the doors open, and the owner will only learn it from a bank balance that never matches the profit on paper. The book shows how to compute the rate in an hour, from numbers a small shop already has.

Audiences:

• Workshop or trade-shop owner who quotes by gut and a round markup — He prices a job at materials plus a labour rate plus a markup that feels right. What never enters the number: the rent that runs whether or not a machine is cutting, the apprentice's idle hours between jobs, depreciation on tools, and his own hours doing quotes and chasing payment. He suspects busy months still end with a thin bank balance and cannot say why.
• Solo professional or freelancer billing an hourly rate — She sets her rate by looking at what others charge, not by counting what an hour actually costs her. Software, insurance, the unbillable hours spent on admin, sales, and revisions all sit outside the rate. She works full weeks and wonders why the income feels like a wage, not a business.
• Bookkeeper or finance person at an SME with a healthy P&L but tight cash — On paper the company makes a margin, yet some product lines or job types seem to drain it. She suspects overhead is being smeared evenly across everything instead of landing on the work that actually consumes it, but has no clean way to allocate it.

Note: written from Indonesian operator context. Frameworks apply broadly to other emerging-market and SME settings.