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RATIOXA TOOLS · Decision tool

ROI calculator

Put return value and invested capital into a clear ratio.

2 inputsQuick comparisonSaved locally on this device.

Your assumptions

What return does the outcome produce?

● Saved locally on this device.
Example scenario
Start from
€
Example assumption
€
Example assumption
DECISION PACK

ROI calculator

Created: 18/08/2026 · roi@5.0

Important: General calculation tool; check inputs and context before making a decision.

Result · Why?

Close result — only 25% apart

Without more inputs, ROI does not account for time or risk.

Difference25%

ROI

Profit / loss2,500%

Zero line

Investment10,000%

Result robustness

Robust within tested range

The leading option remains ahead across the automatic ±10% input tests.

  1. InvestmentApprox. change in result: 13.89%
  2. Return valueApprox. change in result: 12.5%

TRUST CHECK

Fair Comparison Check

✓
The comparison is structurally fair
  • ✓Same comparison horizon
  • ✓Comparable cash flows
  • ✓Residual values and balances included
  • ✓Inputs are internally consistent
Not included in the model
  • Contract terms, eligibility and taxes outside the entered values
  • Personal risk tolerance and liquidity needs
  • Professional legal, tax, finance or energy advice

Assumption freshness

Decision readiness

○
2 core inputs still use example values

0/2 inputs replaced with your own or transferred values · 4 real-world details still worth checking

  • ○ Have both alternatives been compared over the same period?
  • ○ Are all one-off costs and fees confirmed?
  • ○ Are resale value, remaining debt and end assets documented?
  • ○ Have you tested a cautious range for uncertain assumptions?

TRANSPARENT MATH

Formula inspector

Calculation steps

  1. ROI = (return value − investment) ÷ investment × 100.

Substitution with your values

Sum of displayed components A = 2500.00 = 2500.00Sum of displayed components B = 10000.00 = 10000.00Total: 25.00 / 0.00

Important: General calculation tool; check inputs and context before making a decision.

WHAT-IF

Snapshot current scenario

IMPORTANT DOCUMENTS

Prepare the decision

● Saved locally

QUESTIONS TO ASK

Ask before you sign

  1. What is the effective APR?
  2. Can I make additional repayments?
  3. Which early repayment fees apply?

Next useful step

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