Travel Charge Recovery Planner methodology

travelCostExTax = travel hours × loaded labour rate + distance × vehicle cost + fixed travel cost

requiredTravelChargeExTax = travel cost ÷ (1 − target margin)

contributionExTax = required travel charge − travel cost

Money inputs and outputs use the currency selected in the scenario without changing the canonical methodology. Rates, margins, utilisation and buffers are entered as percentages and converted to decimal values for calculation.

• All values must be finite and remain inside the visible input boundaries.
• All money values use one consistent ex-tax basis and period.
• Rates must remain inside their engine-owned boundaries.

Travel hours minimum

travelHours ≥ 0 hours/job — A lower value is rejected before calculation.

Travel hours maximum

travelHours ≤ 100,000,000 hours/job — A higher value is rejected before calculation.

Loaded labour cost per hour minimum

loadedLabourRateExTax ≥ 0 currency units/hour, ex tax — A lower value is rejected before calculation.

Loaded labour cost per hour maximum

loadedLabourRateExTax ≤ 10,000,000 currency units/hour, ex tax — A higher value is rejected before calculation.

Travel distance minimum

distanceKm ≥ 0 consistent distance units/job — A lower value is rejected before calculation.

Travel distance maximum

distanceKm ≤ 100,000,000 consistent distance units/job — A higher value is rejected before calculation.

Vehicle cost per distance unit minimum

vehicleCostPerKmExTax ≥ 0 currency units/distance unit, ex tax — A lower value is rejected before calculation.

Vehicle cost per distance unit maximum

vehicleCostPerKmExTax ≤ 10,000,000 currency units/distance unit, ex tax — A higher value is rejected before calculation.

Fixed travel cost minimum

fixedTravelCostExTax ≥ 0 currency units/job, ex tax — A lower value is rejected before calculation.

Fixed travel cost maximum

fixedTravelCostExTax ≤ 10,000,000 currency units/job, ex tax — A higher value is rejected before calculation.

Target travel margin minimum

targetMargin ≥ 0 decimal fraction of travel-charge revenue — A lower value is rejected before calculation.

Target travel margin maximum

targetMargin ≤ 0.99 decimal fraction of travel-charge revenue — A higher value is rejected before calculation.

• All hours, utilisation, costs, rates and recovery targets are supplied by the user.
• Money values use one consistent ex-tax basis.
• No provider fee, jurisdiction, benchmark or demand forecast is embedded.
• Raw engine precision is retained until display.

This planner has no current policy-data dependency. Its commercial assumptions are user supplied. Registered family-level regression suites exercise the shared business-logic engine and worked-result reconciliation.

• Results depend on the completeness and classification of the entered business records.
• The planner does not forecast demand, utilisation, supplier terms or project outcomes.
• This is educational business decision support rather than accounting, tax, legal or financial advice.
• The entered labour, distance and vehicle costs are internal commercial assumptions; the planner does not apply a statutory mileage, reimbursement, award or tax rate.

This is educational decision support, not tax, accounting, legal or financial advice. Check the treatment of your actual transactions under the rules that apply to your business and seek qualified advice where appropriate.

Registered family-level suites test formula invariants and example reconciliation; the release ledger records that coverage without claiming a separate oracle for every line of public copy. There is no official threshold or benchmark to refresh for this planner. Commercial inputs remain user-supplied because they vary by business and contract.

1. 2026-07-31: Initial public release of the planner and methodology after pre-launch calculation, content, source and interaction review.