Sundar Ramesh Kumar.

Chennai, IndiaMaking paid media measurable, explainable and increasingly autonomous.

Sundar Ramesh Kumar

Marketing leader and AI marketing systems architect. Ten years in paid media and analytics, from Chennai. I build the measurement instruments the work runs on, and publish how each one decides.

Follow on LinkedInlinkedin.com/in/sundarrameshkumarThe record/about

9 posts publishednewest

10 years in paid mediasince 2016

People reached

₹2.86 / next personat ₹1 crore, reaching 44.47 lakh

Figure 1: a model, not a measurement. Drag the line, or use the control, and read what the next person costs. It is drawn from two stated numbers — 1.2 crore reachable people, and ₹1.80 for the first of them.

Impact

  1. 77%

    higher app revenue

    Clovia

  2. 3x

    installs and first trades

    Dhan

  3. 68%

    lower cost per account open

    Niyo Global

All 25 engagements, each with what measured it

The bench

Figure 2. YouTube Reach Planner

At this budget, is the next rupee still worth spending here?

Shipped
Status
live
Runs on
the operator console

One budget of ₹1.5 crore across two markets: a metro of 1.2 crore reachable people where the first person costs ₹1.80, and a tier-2 cluster of 45 lakh where the first costs ₹1.10.

Metro
Next person
₹2.55
Budget
₹75 lakh
Reached
35.2 lakh
Tier-2 cluster
Next person
₹5.01
Budget
₹75 lakh
Reached
35.11 lakh
Total
Budget
₹1.5 crore
Reached
70.31 lakh

The best split puts ₹1.02 crore into the metro and reaches 73.1 lakh people. This one leaves 2.79 lakh people unreached for the same money.

A model, computed in your browser from the parameters printed above it, which you can change. The instrument itself signs in against a live account; nothing on this page touches one.

How the YouTube Reach Planner decides/systems/youtube-reach-planner

Awards

  • Best Cross-Channel Programmatic Campaign

    Programmatic Asia Awards, 2026

  • Best Audience Segmentation Strategy

    Programmatic Asia Awards, 2026

  • BFSI Marketing Campaign of the Year

    BFSI Awards, 2025

  • Bronze

    Best Brand Campaign of the Year

    e4m Retailex Awards, 2024

  • Made Us Look

    Spotify Hits 2024, 2024

  • Bronze

    Best Effective/Measurable Campaign

    e4m Real Time Programmatic Advertising Awards, 2024

22 more, with the documents behind them

Method

Calculation before interpretation. Assumptions on the surface. A person approves. Reproducible or it did not happen.

What each rule is guarding against