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Internet Listing Service ROI Calculator

ILS (Zillow, Apartments.com) subscription ROI measured by quality leads and leases.

ILS subscription / mo

Monthly leads from ILS

Lead → lease %

Avg rent

Expected tenancy (months)

Monthly ROI multiple

160.88

Monthly leases attrib

2.93

Cost per lease

$274

How the math works

Value = leads × conv × rent × tenancy. ROI = value / cost.

45 × 6.5% = 2.93 leases × $2,200 × 20 = $128,700 / $800 = 161× monthly ROI.

Editorial noteMaintained by EveryCalc - Reviewed June 2026

EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.

Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.

Learn more about our review process on the EveryCalc methodology page.

How this calculator works

What this page estimates

This Internet Listing Service ROI Calculator is built to give a quick, browser-based estimate for internet listing service roi. ILS (Zillow, Apartments.com) subscription ROI measured by quality leads and leases. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.

Calculation approach

The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For finance tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.

Example workflow

For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.

Practical checks

Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
Run a low, base, and high case when the inputs are estimates.
Check the related calculators below when the next decision depends on a different assumption.

How to interpret the internet listing service roi result

Best use

Use the result as a planning number for comparing payments, rates, returns, tax reserves, or cash-flow choices before you request a quote or make a commitment.

Cross-check

Compare the answer with the contract, lender estimate, tax form, brokerage statement, payroll record, or invoice that will control the real-world outcome.

Watch for

Do not rely on a single optimistic rate, return, or fee assumption. Money pages work best when you run low, base, and high cases and keep professional advice separate from the estimate.

This page belongs to the Finance calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.

Before relying on this internet listing service roi estimate

Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.

Confirm source numbers

Match balances, rates, fees, taxes, income, and payment dates against the lender quote, payroll record, tax form, statement, invoice, or contract.

Separate cash flow from total cost

A lower monthly payment can still cost more over time if fees, interest, taxes, or a longer term are hidden in the structure.

Run conservative cases

Test at least one higher-cost or lower-return case before using the output for a purchase, refinance, investment, loan, or tax decision.

Rerun this page when the rate, price, term, fee, tax rule, income, expense, or expected holding period changes.

How to Use

Enter ILS monthly subscription.
Enter monthly leads from ILS.
Enter ILS lead → lease conversion %.
Enter avg rent.
Enter lease value multiplier.
Read ROI.

Frequently Asked Questions

Major ILS services?

Apartments.com (CoStar): dominant national, $300-1,200/property/month. Zillow Rentals (Zillow Group): second, $200-800/property/month. RentCafé, ForRent, Zumper: secondary. Rent.com: CoStar-owned. Trulia: Zillow Group. Craigslist: free but low quality. Facebook Marketplace: free, growing. Each ILS pulls 15-40% of leads at mid-large professional properties.

Subscription pricing?

Apartments.com: tiered by feature — basic ($199-399/mo), Silver ($499-799), Gold ($799-1,299), Platinum ($1,299-2,000+). Features: property listing, photo count, priority placement, video, 3D tour. Zillow Rentals Boost: $199-499/mo, basic listing free. Volume discounts for portfolio (20+ properties): 15-30% off list.

Lead quality from ILS?

ILS leads more qualified than Craigslist (tenants paying $$$ on rent site = serious). But less qualified than direct/referral (cold leads, may be comparing many properties). ILS conversion: tour 20-35%, application 40-55%, signed 50-65%. End-to-end: 5-9%. Higher for feature-rich listings (better photos, video, detailed amenities list, model unit showcase).

Optimization tactics?

(1) Professional photos (10-30 images minimum, DSLR or better). (2) Video walkthrough. (3) Floor plans with dimensions. (4) Amenity list complete. (5) Pricing accurate + updated weekly. (6) Availability dates accurate. (7) Virtual tour link. (8) Responsive property website. (9) Response time <1 hour (doubles lead → tour conversion). (10) Compelling property description (SEO, key features first). Worst performer: generic listings with 3-5 photos lose to richer listings.