Castos
Free Podcast Tool

Free Podcast Advertising Calculator

Calculate how much you can make from dynamic ads in your podcast.

Trusted by 40k+ brands like

London Stock ExchangeTAG HeuerInstacartFossilEA SportsFidelity

What Affects A Podcast Advertising Calculator Results?

  1. CPM

    Cost Per Mille (or Thousand) is the rate at which you are paid per ad unit. For programmatic ads this is usually $5–10. For "baked in" ads it can be a lot higher.

  2. Fill Rate

    Even with dynamic ad insertion your listeners won't always hear an ad. A "good" fill rate is 80%, depending on genre and listener location.

  3. Listens

    How many times per month is your podcast listened to? This — along with the number of ad spots per episode — drives your earnings.

Fill Your Entire Back Catalog

The great thing about dynamic ad insertion is it works on all of your episodes, not just new ones. With Castos Ads you can start making money from all of your podcast episodes, even ones you published years ago.

One Click Setup

No need to record special segments or alter your editing process. Castos Ads takes care of all of the ad inventory, stitching into your existing files, and reporting on the revenue you're earning from your podcast ads.

Brand Safe For Your Show

Castos Ads always removes the "dirty dozen" categories, ensuring that any ad content in your show is safe for your brand and aligned with your audience.

How To Make Money From Podcast Ads In 3 Steps

  1. Upload a new episode in Castos

    Upload A New Episode

    Publish your episodes just as you would normally. Nothing about your recording, editing, or publishing process needs to change to take advantage of the Castos Ads platform.

  2. Turn on Castos Ads in your dashboard

    Turn On Castos Ads

    Literally a click of a button enrolls you in the Castos Ads program. We'll monetize your entire back catalog and every new episode published going forward.

  3. Earn revenue from Castos Ads

    Make Money

    The Castos Ads system determines the best ads to splice into your episodes (pre-roll and post-roll) to match your audience, content, and brand — maximizing CPM.

Frequently Asked Questions

How does Castos Ads work?
Castos Ads automatically inserts brand-appropriate advertisements into your podcast episodes — one at the beginning and one at the end of each episode. This adds about one minute to your episode length and requires zero technical setup from you.
Do I need a minimum listener count to start monetizing?
No. Unlike traditional sponsorships that often require tens of thousands of monthly listeners, Castos Ads lets you start monetizing regardless of your audience size. You can begin earning from your very first episode, and your earnings will grow as your audience expands.
Can I monetize my entire podcast catalog?
Yes. One of the unique benefits of Castos Ads is that it works with your entire episode catalog. Whether you have 20 episodes or 20 podcasts, you can monetize both new and old content with a single click.
How do I enable or disable ads?
Enabling Castos Ads is as simple as flipping a switch in your dashboard. You can pause monetization at any time with no questions asked, giving you complete control over your podcast's advertising experience.
Can I run traditional sponsorships alongside Castos Ads?
Absolutely. You can maintain both revenue streams simultaneously. Traditional sponsorships can provide one-time cash bonuses, while Castos Ads continues generating passive income from your entire catalog.
Where do the ads appear in my episodes?
Castos automatically places two short advertisements in each episode — one at the beginning (pre-roll) and one at the end (post-roll). This placement minimizes impact on your listener's experience while maximizing monetization potential.
How often do I get paid?
Castos processes payments monthly, allowing you to earn continuously from both new and archived content.
What affects my earning potential?
Audience size, fill rate (the percentage of time an ad shows up in your episodes), the number of ad spots per episode (Castos Ads is 2 by default), and CPM — the rate advertisers pay for their message in your episodes.
Do I need to edit my episodes differently?
No additional editing is required. Castos handles all ad insertion automatically, maintaining your episode's quality while adding monetization.
Will ads affect my episode's audio quality?
No. Castos ensures that ad insertion maintains your original audio quality while seamlessly integrating advertisements into your content.

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