Compound Interest & DCA Calculator - Tsumitate Dojo
Parameters
$
$
yrs
yrs old
%
± %
%
Results
Final Balance
When your money starts working
Year 11
From this year, annual interest exceeds your annual contributions (at the rate you entered)
Effective Rate
This tool is for informational purposes only and does not constitute investment advice or a solicitation to buy or sell any financial product. Simulation results do not guarantee future outcomes. Investment decisions are your own responsibility.
Total Deposits: $120,000, Total Interest: $140,460.95, Final Balance: $260,460.95, Effective Rate: 117.1 %, Breakdown: Principal 46%, Interest 54%
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Monthly Breakdown
| Month | Year | After-tax Total | Prev. Balance | After Deposit | Interest | After-tax Interest | Cum. Deposits | After-tax Total | Eff. Rate |
|---|---|---|---|---|---|---|---|---|---|
| Year 1 | $6,196.24 | $5,663.21 | $6,163.21 | $33.03 | $33.03 | $6,000 | $6,196.24 | 3.3 % | |
| Year 2 | $12,840.40 | $12,268.84 | $12,768.84 | $71.56 | $71.56 | $12,000 | $12,840.40 | 7.0 % | |
| Year 3 | $19,964.86 | $19,351.98 | $19,851.98 | $112.88 | $112.88 | $18,000 | $19,964.86 | 10.9 % | |
| Year 4 | $27,604.37 | $26,947.18 | $27,447.18 | $157.19 | $157.19 | $24,000 | $27,604.37 | 15.0 % | |
| Year 5 | $35,796.15 | $35,091.45 | $35,591.45 | $204.70 | $204.70 | $30,000 | $35,796.15 | 19.3 % | |
| Year 6 | $44,580.10 | $43,824.46 | $44,324.46 | $255.64 | $255.64 | $36,000 | $44,580.10 | 23.8 % | |
| Year 7 | $53,999.03 | $53,188.77 | $53,688.77 | $310.26 | $310.26 | $42,000 | $53,999.03 | 28.6 % | |
| Year 8 | $64,098.87 | $63,230.03 | $63,730.03 | $368.84 | $368.84 | $48,000 | $64,098.87 | 33.5 % | |
| Year 9 | $74,928.82 | $73,997.17 | $74,497.17 | $431.65 | $431.65 | $54,000 | $74,928.82 | 38.8 % | |
| Year 10 | $86,541.65 | $85,542.66 | $86,042.66 | $498.99 | $498.99 | $60,000 | $86,541.65 | 44.2 % | |
| Year 11 | $98,993.98 | $97,922.77 | $98,422.77 | $571.21 | $571.21 | $66,000 | $98,993.98 | 50.0 % | |
| Year 12 | $112,346.50 | $111,197.85 | $111,697.85 | $648.65 | $648.65 | $72,000 | $112,346.50 | 56.0 % | |
| Year 13 | $126,664.27 | $125,432.58 | $125,932.58 | $731.69 | $731.69 | $78,000 | $126,664.27 | 62.4 % | |
| Year 14 | $142,017.08 | $140,696.36 | $141,196.36 | $820.72 | $820.72 | $84,000 | $142,017.08 | 69.1 % | |
| Year 15 | $158,479.75 | $157,063.55 | $157,563.55 | $916.20 | $916.20 | $90,000 | $158,479.75 | 76.1 % | |
| Year 16 | $176,132.49 | $174,613.91 | $175,113.91 | $1,018.58 | $1,018.58 | $96,000 | $176,132.49 | 83.5 % | |
| Year 17 | $195,061.35 | $193,433 | $193,933 | $1,128.35 | $1,128.35 | $102,000 | $195,061.35 | 91.2 % | |
| Year 18 | $215,358.57 | $213,612.50 | $214,112.50 | $1,246.07 | $1,246.07 | $108,000 | $215,358.57 | 99.4 % | |
| Year 19 | $237,123.08 | $235,250.79 | $235,750.79 | $1,372.29 | $1,372.29 | $114,000 | $237,123.08 | 108.0 % | |
| Year 20 | $260,460.95 | $258,453.31 | $258,953.31 | $1,507.64 | $1,507.64 | $120,000 | $260,460.95 | 117.1 % | |
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Popular Terms
View glossary →Value at Risk (VaR)A statistical measure that estimates the maximum potential loss of a portfolio over a specified time period at a given confidence level, widely used in institutional risk management.EV/EBITDA RatioA valuation multiple that compares enterprise value to earnings before interest, taxes, depreciation, and amortization, widely used in M&A and cross-border comparisons.Behavioral EconomicsBehavioral economics studies how psychological biases cause people to make irrational financial decisions. Understanding these biases is essential to protecting compound growth from self-sabotage.Periodic ReviewPeriodic review is the practice of regularly checking and adjusting your portfolio allocation, costs, and strategy. Without review, allocation drift can silently increase risk and erode compound returns.Continuous ContributionThe practice of investing consistently regardless of market conditions, leveraging time in the market and compound interest for long-term wealth building.Dollar-Cost EffectThe mathematical result of fixed-amount periodic investing where more shares are purchased at lower prices, reducing the average cost per share over time.