Construction Cost CAGR Calculator: Annualized Build Cost Growth
Work out the annualized growth rate of construction costs between two years — the figure for projecting future build budgets and deciding whether to renovate now or wait.
Adjust the inputs and select Calculate for a full breakdown.
Compare Common Scenarios
How the numbers shift across typical situations for this calculator:
| Scenario | Annual construction cost growth | Total cost growth |
|---|---|---|
| $150 to $200 per sq ft · 5yr | 5.92% | 33.33% |
| $300k to $400k project · 4yr | 7.46% | 33.33% |
| $80 to $130 per sq ft · 10yr | 4.97% | 62.50% |
| $100k to $115k · 2yr (recent volatility) | 7.24% | 15.00% |
How This Calculator Works
Enter the starting and ending construction cost (same basis — $/sq ft, total project cost, or material-only) and the years between them. The calculator finds the compound annual growth rate that connects the two figures.
The Formula
Compound Annual Growth Rate
Start is the beginning value, End is the ending value, n is the number of years
Worked Example
Construction costs rising from $150/sq ft to $200/sq ft over 5 years is a 5.9% annual growth rate, total 33%. That meaningfully outpaces general inflation (typically 2% to 3%) — a key reason renovation deferrals tend to cost more than expected by the time the work actually starts.
Key Insight
US construction cost CAGR has historically run 3% to 5% across long periods, but with sharp bursts above general inflation during supply-chain disruption (2020-2022 saw 15% to 25% annual increases in many categories). The 'cost of waiting' is real — projecting a current renovation budget forward at general inflation systematically underestimates the bill by the time you actually pull the permit. Use a construction-specific inflation rate for project planning.
Frequently Asked Questions
How is construction cost CAGR calculated?
(Ending cost / starting cost) ^ (1/years) − 1. From $150 to $200 per sq ft over 5 years is about 5.9% per year.
How fast do construction costs grow?
Long-run US averages: 3% to 5% per year. Sharp bursts during supply-chain disruption (2020-2022: 15% to 25% in many categories). Generally outpaces general inflation by 1 to 2 percentage points across long periods.
Material vs labor inflation?
Track separately if relevant. Material costs are volatile (lumber, steel, copper swing 30%+ year to year). Labor inflation is steadier but trending higher with the construction trade shortage. Total project cost reflects both.
Should I renovate now or wait?
Wait usually loses if construction inflation exceeds your financing cost. At 6% construction inflation and 7% mortgage rate, the math is close. At 8% construction inflation and 5% mortgage, financing the renovation now usually wins. Build the math both ways before deferring.
Does this apply internationally?
Construction inflation varies sharply by country. UK, Australia, Canada have seen similar or higher inflation than the US in recent years. Most developed-market construction inflates 3% to 7% annually in normal times; faster during supply shocks.
Related Calculators
Data Sources & Benchmarks
This calculator draws on 1 independent, dated source.
Methodology & Review
The growth rate is the compound annual rate between construction cost at the start and end of the period. Use the same cost basis on both sides — $/sq ft, total project cost, or material-only — for a meaningful trend. Labor and material grow at different rates and may need to be tracked separately.
Written by Ugo Candido · Last updated May 17, 2026.