portfolios.tools

Sum of the Parts Valuation Calculator

Free Sum of the Parts Valuation Calculator values business segments at different multiples. Bridge segment enterprise values through net debt and minorities to consolidated equity value with holdco discount considerations.

Sum of the Parts Valuation Calculator
Results
{
  "segmentValues": [
    {
      "name": "Segment A",
      "ev": 600
    },
    {
      "name": "Segment B",
      "ev": 240
    }
  ],
  "totalEv": 830,
  "equityValue": 725,
  "valid": true
}

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How It Works

Enter the inputs described in each field label for Sum of the Parts Valuation Calculator. The calculator validates basic constraints such as positive denominators where required and shows clear outputs when data is incomplete. Pull figures from the same reporting period when combining balance sheet and income statement items. Pull figures from the same reporting period when combining balance sheet and income statement items. Pull figures from the same reporting period when combining balance sheet and income statement items. Pull figures from the same reporting period when combining balance sheet and income statement items.

Sum of the parts values each segment separately then bridges to consolidated equity value. Review summary metrics, breakdown tables, and interpretation bands updated on every keystroke. Compare scenarios by adjusting one assumption at a time to see sensitivity. Use Trading Comps Valuation and Enterprise Value on portfolios.tools to cross check segment multiples. Use Trading Comps Valuation and Enterprise Value on portfolios.tools to cross check segment multiples. Use Trading Comps Valuation and Enterprise Value on portfolios.tools to cross check segment multiples. Use Trading Comps Valuation and Enterprise Value on portfolios.tools to cross check segment multiples.

Review segment enterprise values and consolidated equity value. Adjust segment multiples to test sensitivity. Apply holdco discount when listed subsidiaries trade below implied valuation.

Use Sum of the Parts Valuation Calculator whenever inputs change: after market moves, new contributions, or revised personal assumptions. Bookmark the page for quick reruns without installing software.

Step by step

  1. Open Sum of the Parts Valuation Calculator and enter your current inputs.
  2. Review calculated outputs and summary tables.
  3. Adjust assumptions and compare scenarios side by side.

Worked example

Enter the sample inputs described in How it works to reproduce the scenario step by step for sum of the parts valuation calculator.

Adjust one input at a time to see sensitivity. Sum of the Parts Valuation Calculator updates instantly so you can stress test optimistic and conservative assumptions before acting.

When to use this calculator

Reach for Sum of the Parts Valuation Calculator when you need quick what if analysis before trades, allocation changes, or plan updates.

Pair with related tools when the decision spans taxes, liquidity, or multi year projections beyond what one formula captures.

Common mistakes

Copying outputs without checking input units or stale market prices is a frequent error with Sum of the Parts Valuation Calculator. Confirm tickers, percentages, and dates before acting.

Running a single baseline scenario ignores tail risks. Stress test with conservative inputs and compare against related tools listed below when the decision is material.

The Formula

Segment EV = Segment Metric × Segment Multiple

Total EV = Σ Segment EV + Corporate Adjustments

Equity Value = Total EV − Net Debt − Minority Interest + Associates

Holdco discounts apply when listed subsidiaries trade below sum of parts. Corporate costs may need allocation.

Limitations and assumptions

Holdco discounts apply when listed subsidiaries trade below sum of parts. Corporate costs may need allocation. Sum of the Parts Valuation Calculator does not replace personalized advice. Fees, slippage, account specific rules, and behavioral constraints may change real world outcomes.

Key terms

What does Sum of the Parts Valuation Calculator measure
Sum of the parts values each segment separately then bridges to consolidated equity value.
How is the formula applied
The formula block on this page shows every intermediate step so you can audit the math against textbook definitions.
Model assumption
Interpret results in context rather than as automatic buy, sell, or accept signals.

Compare alternatives

Use Trading Comps Valuation and Enterprise Value on portfolios. Use those calculators when sum of the parts valuation calculator alone does not capture the full decision.

Internal links on portfolios.tools help you chain calculators: run Sum of the Parts Valuation Calculator first, then validate edge cases with a specialized tool from the related section below.

FAQ

What does Sum of the Parts Valuation Calculator measure?

Sum of the parts values each segment separately then bridges to consolidated equity value. This calculator runs entirely in your browser on portfolios.tools. Enter your assumptions in the form above and review outputs instantly without sending data to any server. Students use it for homework checks, analysts for quick sanity tests, and founders for scenario planning before building spreadsheet models. Results depend on input quality: stale financials or optimistic growth assumptions can mislead even when the math is correct. Always reconcile outputs with source documents and professional judgment when decisions have material consequences.

How is the formula applied in Sum of the Parts Valuation Calculator?

The formula block on this page shows every intermediate step so you can audit the math against textbook definitions. Holdco discounts apply when listed subsidiaries trade below sum of parts. Corporate costs may need allocation. Match input units to the formula: percentages as whole numbers unless labels specify decimals, currency in one consistent denomination, and time periods aligned across numerators and denominators. Match input units to the formula: percentages as whole numbers unless labels specify decimals, currency in one consistent denomination, and time periods aligned across numerators and denominators.

How should I interpret Sum of the Parts Valuation Calculator results?

Interpret results in context rather than as automatic buy, sell, or accept signals. Sum of the parts values each segment separately then bridges to consolidated equity value. Pair this tool with related calculators on portfolios.tools when your decision spans taxes, liquidity, covenants, or multi year projections that one ratio cannot capture alone. Pair this tool with related calculators on portfolios.tools when your decision spans taxes, liquidity, covenants, or multi year projections that one ratio cannot capture alone.

What are common input mistakes with Sum of the Parts Valuation Calculator?

Common mistakes include mixing annual and quarterly figures, ignoring non recurring items in earnings, and treating point estimates as certainty. Stress test with conservative and optimistic inputs before acting. Document assumptions when sharing outputs with colleagues or lenders. Document assumptions when sharing outputs with colleagues or lenders. Document assumptions when sharing outputs with colleagues or lenders. Document assumptions when sharing outputs with colleagues or lenders.

What are the limitations of Sum of the Parts Valuation Calculator?

Limitations include simplified models that omit sector nuance, regulatory changes, and behavioral factors. Holdco discounts apply when listed subsidiaries trade below sum of parts. Corporate costs may need allocation. This page provides educational math only, not personalized investment, tax, or legal advice. This page provides educational math only, not personalized investment, tax, or legal advice. This page provides educational math only, not personalized investment, tax, or legal advice.

How do I use this Sum of the Parts Valuation calculator on a phone or tablet?

Yes. Sum of the Parts Valuation Calculator runs entirely in your mobile browser with the same formulas as desktop. Optional localStorage may remember inputs on your device when enabled in browser settings.

Where is my data stored when I use Sum of the Parts Valuation Calculator?

Nowhere on our servers. Calculations execute locally in your browser. Optional localStorage saves form fields on your device only and never transmits portfolio numbers over the network.

Should I rely on Sum of the Parts Valuation Calculator for tax or legal decisions?

No. Sum of the Parts Valuation Calculator provides educational math only. Tax law, account rules, and personal circumstances vary. Consult a qualified tax or legal professional before transactions with material consequences.

Related Tools

Use Trading Comps Valuation and Enterprise Value on portfolios.tools to cross check segment multiples.