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Calcimator

Development Pro Forma Calculator

Create a development pro forma with revenue, costs, profit, and ROI projections.

Inputs

$
$
$
% of hard
% of hard
%
% of hard

Results

Total Profit

$1,577,500.00

≈ 4 average U.S. homes

Profit Margin

26.29%

Gross Revenue$6,000,000.00
Total Project Cost$4,422,500.00
Return on Investment35.67%
Total Cost per Lot$88,450.00
Profit per Lot$31,550.00
How to Use This Calculator
  1. Enter Total Lots and Average Sale Price per finished lot from market research.
  2. Set Land Acquisition Cost and Site Development Cost per lot (grading, utilities, roads, landscaping).
  3. Enter Soft Costs % (engineering, permits, design) and Financing Costs % of hard costs.
  4. Set Sales Commission % and Contingency % for unexpected cost overruns.
  5. Review Total Profit and Profit Margin — typical target is 15–25% of gross revenue for residential subdivision.
  6. Check per-lot economics (revenue, cost, profit) to identify which lot types or phases are most profitable.

How the result changes with Avg Sale Price per Lot

Avg Sale Price per LotTotal ProfitProfit Margin
$509,000.00$19,860,500.0078.04%
$1,756,500.00$78,493,000.0089.37%
$3,253,500.00$148,852,000.0091.5%
$4,501,000.00$207,484,500.0092.19%

What each input means

Total Lots
Total number of lots or units to develop.
Avg Sale Price per Lot
Average sale price per finished lot.
Land Acquisition Cost
Total land purchase cost.
Site Development per Lot
Per-lot cost for grading, utilities, roads, and landscaping.
Soft Costs
Engineering, permitting, legal, and design as % of hard costs.
Financing Costs
Interest and loan fees as % of hard costs.
Sales Commission
Sales commission as percentage of gross revenue.
Contingency
Contingency reserve as % of hard costs.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Total Lots = 50, Avg Sale Price per Lot = 120000, Land Acquisition Cost = 1500000, Site Development per Lot = 35000 = 8 input(s) provided
  2. Calculate Total Profit
    Total Profit
    1577500 = $1,577,500
  3. Calculate Profit Margin
    Profit Margin
    26.29 = 26.29%
  4. Calculate Gross Revenue
    Gross Revenue
    6000000 = $6,000,000
  5. Calculate Total Project Cost
    Total Project Cost
    4422500 = $4,422,500

Engine last updated . Checked against 1 independently-derived test — how we verify calculators.

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