Investment Calculator
Free Online Investment Calculator
Investment Growth · ROI Calculator · Portfolio Allocator
Investment Calculator
Investment Growth · ROI Calculator · Portfolio Allocator
Model the growth of any investment over time. Enter your initial amount, regular contributions, expected return, and fees to project your final portfolio value — with inflation adjustment and a full year-by-year breakdown.
Investment Details
$
$
yrs
Returns & Fees
%
%
%
% (0=tax-deferred)
%/yr
Investment Projection
—
Final Portfolio Value
—
—
Total Investment Returns
—
—
📊 Portfolio Composition
—
Initial Investment
Contributions
Investment Returns
Initial Investment
—
Total Contributions
—
Total Returns
—
Fee Drag (total)
—
Real Value (inflation-adj.)
—
Net Return Rate
—
Growth Multiplier
—
Rule of 72
—
🔮 Investment Scenarios
S&P 500 benchmark (10% historical avg):—
If fees were 1% higher (active fund):—
If you started 5 years earlier:—
If monthly contribution doubles:—
Bear market scenario (rate drops 50% for 3 yrs):—
📋 Year-by-Year Portfolio Growth
| Year | Contributions | Returns | Balance | Real Value | Fee Drag |
|---|
Investment Insights
Calculate the Return on Investment (ROI) for any investment — stocks, real estate, a business, or any asset. Compare multiple investments side-by-side and see annualised return, total gain, and inflation-adjusted outcome.
Investment A
$
$
yrs
$
$
%
Investment B (optional comparison)
$
$
yrs
ROI Assessment
—
Investment A
ROI
—
—
Investment B
ROI
—
—
A — Net Gain
—
A — After-Tax Gain
—
B — Net Gain
—
B — After-Tax Gain
—
A — CAGR
—
A — Total Income
—
B — CAGR
—
Winner by CAGR
—
📊 Investment A — Return Components
🔮 ROI Scenarios
A vs S&P 500 benchmark (10%/yr CAGR same period):—
A — if held 5 more years at same CAGR:—
A — break-even price for zero gain:—
A — opportunity cost vs 7% index fund:—
A — inflation-adjusted real return (at 3%):—
ROI Insights
Model your portfolio allocation across asset classes — see blended return, risk profile, and projected growth. Compare preset allocations (conservative, moderate, aggressive) or build your own custom mix.
Portfolio Setup
$
yrs
Asset Allocation (must total 100%)
%
%
%
%
%
%
Portfolio Assessment
—
Projected Value (20 yrs)
—
—
Blended Annual Return
—
—
Allocation Breakdown
Portfolio Total
—
Blended Return
—
Risk Profile
—
Allocation Check
—
Equity Exposure
—
Defensive Exposure
—
Max Drawdown Est.
—
Sharpe Ratio (est.)
—
🔮 Allocation Comparison
Aggressive (90/10) projected value:—
Moderate (60/40) projected value:—
Conservative (30/70) projected value:—
Your allocation vs moderate — difference:—
If rebalanced annually (reduces drift):—
Portfolio Insights
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