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Contingency Burn Rate Calculator

Contingency burn rate vs project completion is the leading indicator of construction project health. If burn matches completion, the project is on track. If burn outpaces completion, you have an early warning of overrun. This calculator computes remaining contingency, projected total burn, and projected overrun based on current pace.

Original contingency budget

Contingency burned to date

Project % complete

Total contract cost

Contingency remaining

$275,000

Projected overrun (or surplus)

-$50,000

Negative = surplus

Burned vs expected

-$27,500

Expected burn at this %

$302,500

Projected total burn

$500,000

How the math works

Contingency burn rate vs project completion is the leading indicator of project budget health. If you've burned 50% of contingency at 55% complete, you're roughly on track. Burn 75% of contingency at 50% complete = serious problem.

Industry contingency norms: 5-10% of hard cost on standard projects; 10-15% on renovation; 15-25% on historic or design-build.

Editorial noteMaintained by EveryCalc - Reviewed June 2026

EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.

Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.

Learn more about our review process on the EveryCalc methodology page.

How this calculator works

What this page estimates

This Contingency Burn Rate Calculator is built to give a quick, browser-based estimate for contingency burn rate. Contingency burn rate vs project completion is the leading indicator of construction project health. If burn matches completion, the project is on track. If burn outpaces completion, you have an early warning of overrun. This calculator computes remaining contingency, projected total burn, and projected overrun based on current pace. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.

Calculation approach

The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For finance tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.

Example workflow

For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.

Practical checks

Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
Run a low, base, and high case when the inputs are estimates.
Check the related calculators below when the next decision depends on a different assumption.

How to interpret the contingency burn rate result

Best use

Use the result as a planning number for comparing payments, rates, returns, tax reserves, or cash-flow choices before you request a quote or make a commitment.

Cross-check

Compare the answer with the contract, lender estimate, tax form, brokerage statement, payroll record, or invoice that will control the real-world outcome.

Watch for

Do not rely on a single optimistic rate, return, or fee assumption. Money pages work best when you run low, base, and high cases and keep professional advice separate from the estimate.

This page belongs to the Finance calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.

Before relying on this contingency burn rate estimate

Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.

Confirm source numbers

Match balances, rates, fees, taxes, income, and payment dates against the lender quote, payroll record, tax form, statement, invoice, or contract.

Separate cash flow from total cost

A lower monthly payment can still cost more over time if fees, interest, taxes, or a longer term are hidden in the structure.

Run conservative cases

Test at least one higher-cost or lower-return case before using the output for a purchase, refinance, investment, loan, or tax decision.

Rerun this page when the rate, price, term, fee, tax rule, income, expense, or expected holding period changes.

How to Use

Enter original contingency and amount burned to date.
Enter project % complete and total contract cost.
Read remaining, projected overrun, and burn benchmark.

Frequently Asked Questions

Healthy burn rate?

Burn within 10% of completion percentage = on track. Above 20% over completion = serious overrun risk; freeze owner-driven scope changes.

Contingency norms?

Standard new-build 5-10% of hard cost; renovation 10-15%; historic preservation 15-25%; design-build often 10-15% reserved.

Recovering from burn?

Re-baseline scope, value-engineer remaining work, accelerate punch-list to close out smaller change orders before they grow. Bring lender into conversation early — they have skin in keeping project from blowing up.