Overhead allocation is more useful when the shared monthly cost is translated into a unit rate and then rolled into the specific job.

Allocated overhead: $600.00
Overhead per unit: $25.00
Unallocated overhead: $7,400.00

Monthly overhead
$8,000.00
Allocation base units
320
Units for job
24

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Overhead Allocation Calculator

Use this when overhead is real but hard to attach to one job, order batch, or service block consistently.

This calculator helps operators translate monthly overhead into a per-unit rate and an allocated amount for one job or order group.

How to use this page

Start with your best current estimate, adjust the inputs until the result feels realistic, and use the related tools below when you want to pressure-test price, profit, or payout from another angle.

Allocate monthly overhead across a base volume and estimate the share assigned to one job or order set.

Use the calculator with the examples below to test ideas quickly and come back to the same setup later.

Worked examples

Start from a realistic scenario

Each example opens the same calculator with shareable URL state.

Overhead share for one job

Monthly overhead spread across a base and then assigned to a specific share of the work.

$600.00allocated overhead

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FAQ

Quick answers

Short answers for the questions that usually come up first.

When should I use the overhead allocation calculator?

This calculator helps operators translate monthly overhead into a per-unit rate and an allocated amount for one job or order group.

Is this meant for exact accounting, tax filing, or bookkeeping?

No. It is a planning calculator built around your inputs so you can sanity-check pricing, profit, or cash decisions quickly.