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Contract Coverage Percentage Calculator

Work out contract coverage percentage instantly with clear inputs, formula shown and shareable results.

About Contract Coverage Percentage Calculator

Contract coverage is the share of addressable spend governed by a formal agreement. The expiring share is the companion metric: high coverage with a third of it expiring within twelve months means a heavy renewal workload and near-term price exposure.

Formulas

Contract coverage

Coverage % = Spend under contract / Total addressable spend x 100

Expiring share

Expiring % = Expiring contract value / Spend under contract x 100

Worked example

With the default values below, Contract Coverage Percentage Calculator returns Contract coverage of 70.00%. Change any input above and every figure here is recalculated in your browser.

Inputs used

Spend under formal contract
1,680,000,000
Total addressable spend
2,400,000,000
Value of contracts expiring within twelve months
420,000,000
Total active suppliers
1,840

Results

Contract coverage
70.00%
Spend not under contract
$720,000,000.00
Share of contracted spend expiring within a year
25.00%
Average contracted spend per supplier
$913,043.48

Step by step

  1. 1Values used
  2. 2Contract coverage
  3. 3Expiring share
  4. 4Contract coverage= 70.00
  5. 5Spend not under contract= 720,000,000.00
  6. 6Share of contracted spend expiring within a year= 25.00
  7. 7Average contracted spend per supplier= 913,043.48

Assumptions and limits

  • The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
  • In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
  • Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

Why does coverage matter?

Because spend outside a contract has no agreed price, terms, service level or liability position. It is where both cost leakage and legal risk concentrate.

Is 100% coverage the goal?

Not quite. Very low-value one-off purchases are cheaper to buy on standard terms than to contract for, so 85-95% is the practical target.

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