100% Free Tool

Instagram Comment to DM Calculator

See exactly what "comment the keyword and I'll DM you" is worth: automated DMs sent, links clicked, leads captured, and the hours you stop wasting on manual replies. Results update live as you type.

Comment-to-DM automation sends an automatic DM to anyone who comments a chosen keyword on your post or Reel. The funnel math: comments × trigger rate × open rate × click rate × capture rate = leads. This calculator runs that formula on your numbers, step by step.

Your Comment-to-DM Funnel

Enter your numbers. Every card below updates instantly.

Avg Comments per Post Average comments on a post with a keyword CTA

Posts per Month Posts or Reels running the automation

Value per Lead ($, optional) What one email or lead is worth to you

Commenters Who Trigger the Keyword 60% On a "comment LINK" post, 50-80% is common

DM Open Rate 80% Instagram DMs typically see very high open rates

Link Click Rate 35% % of opened DMs where the link gets clicked

Email Capture / Conversion Rate 20% % of clickers who leave an email or convert

Your Monthly Results

Live Estimate

0 Automated DMs Sent / mo

0 Link Clicks / mo

0 Leads Captured / mo

$0 Est. Monthly Value

Doing this manually would mean typing 0 DM replies yourself, roughly 0 hours every month at ~1.5 minutes per reply.

How the Funnel Flows

0 Comments

0 Keyword Triggers

0 DMs Opened

0 Clicks

0 Leads

Manual Replying vs Automated Comment-to-DM

	Replying Manually	Automated (InstantDM)
Response time	Minutes to hours (or never)	Under 10 seconds, every time
Coverage	Whatever you catch before scrolling fatigue	100% of keyword comments, 24/7
Your time per month	Hours of copy-paste	~10 minutes to set up once
Nights, weekends, viral spikes	Comments pile up unanswered	Handled automatically
Link delivery	Manual copy-paste, easy to mistype	Exact link, every DM
Lead capture	No structured follow-up	Built-in flows collect emails and answers
Consistency	Depends on your mood and schedule	Identical funnel on every post

This is exactly what InstantDM does — on autopilot.

Set the keyword once. InstantDM replies to the comment and sends the DM with your link in seconds. Start Free — 500 DMs/Month Included Meta Official Business Partner · Paid plans from $9.99/month · Setup takes ~10 minutes

How Comment-to-DM Automation Works

"Comment the keyword and I'll DM you the link" is one of the highest-converting call-to-actions on Instagram right now. Every comment boosts your post in the algorithm, and every DM lands your link directly in the inbox of someone who just raised their hand. This calculator shows what that funnel is worth for your account.

1. Post with a Keyword CTA

You publish a post or Reel that asks viewers to comment one word: "GUIDE", "LINK", "PRICE". Because commenting is easier than finding a link in bio, far more people take action, and the flood of comments pushes your post to more feeds.

2. The Automation Fires

A tool built on Instagram's official Messaging API, like InstantDM, detects the keyword, replies to the comment, and sends a DM with your link or opening question. It works on feed posts, Reels, and ad comments.

3. The DM Gets Opened

The DM arrives while the commenter is still on the app and still thinking about your offer, which is why DM open rates beat marketing email by a wide margin. The message is one tap away, not buried in a promotions tab.

4. Clicks Become Leads

The DM carries your link: a lead magnet, product page, or booking form. With a conversation flow you can even collect the email inside the DM before sending the link. Every keyword comment becomes a contact you own.

DM Automation ROI: Where These Defaults Come From

Trigger Rate (default 60%)

On posts that explicitly ask for one keyword, the majority of comments are usually that keyword. If your posts don't use a keyword CTA yet, drag the slider down. Not sure how much engagement your posts actually pull? Run them through the Instagram engagement rate calculator first.

Open & Click Rates

Instagram DMs are typically opened at much higher rates than marketing email because they arrive in a personal inbox at the moment of interest. The 80% open and 35% click defaults are typical for opt-in keyword funnels. Tune them to your own results.

1.5 Minutes per Manual Reply

Reading the comment, opening the profile, writing the DM, pasting the correct link: about 1-2 minutes per person in practice. We use 1.5 minutes, and that still ignores the leads you lose when a reply arrives hours late.

Estimates, Not Guarantees

Every account is different. This tool multiplies your own inputs; it doesn't promise results. Use it to compare scenarios: what happens at 2x the comments, or with a better lead magnet that lifts your capture rate?

Explore More Free Tools

Engagement Rate Calculator

See how your likes and comments stack up for an account your size.

AI Agent ROI Calculator

Put a dollar figure on automating your DM replies with AI.

Follower Ratio Calculator

Find out whether your followers-to-following ratio helps or hurts you.

EMV Calculator

Put an ad-spend dollar value on the reach your posts earn.

Frequently Asked Questions

What is comment-to-DM automation on Instagram?

Comment-to-DM automation sends a direct message to anyone who comments a specific keyword on your post or Reel (for example, "Comment LINK to get the guide"). The tool watches your comments 24/7 and delivers the link within seconds, so a comment left at 3am still gets an answer.

Is comment-to-DM automation allowed by Instagram?

Yes, as long as it runs through the official Instagram Messaging API. InstantDM is built on Meta's API and is a Meta Official Business Partner, so its automations follow Instagram's rules. What is not allowed: unofficial bots that log into your account and simulate taps, which can get accounts restricted.

What percentage of commenters actually trigger a keyword automation?

It depends on your call-to-action. When a post explicitly asks people to comment one keyword (like "Comment GUIDE"), most comments on that post are the keyword itself, so trigger rates of 50-80% of comments are common. On posts without a keyword CTA, only a small share of comments would match. The calculator defaults to 60% for a keyword-CTA post. Adjust the slider to match your content.

Why do Instagram DMs convert better than a link in bio?

A DM lands in the commenter's inbox seconds after they show interest. A link in bio makes them leave the post, visit your profile, and hunt for the right link. Because the DM arrives at peak intent, its link gets clicked far more often than a bio link does.

How long does it take to reply to comments manually?

Realistically about 1-2 minutes per person: reading the comment, opening their profile, writing a DM, and pasting the right link. This calculator uses 1.5 minutes per manual reply. At a few hundred comments a month that's already multiple working days. And manual replies still arrive hours late, after the commenter's interest has cooled.

Does comment-to-DM automation work on Reels and ads?

Yes. Keyword automations can watch comments on feed posts, Reels, and even Instagram ads (with tools that support ad comments, like InstantDM). Reels matter most here because they reach non-followers: a viral Reel with a "comment the keyword" CTA captures leads from far outside your existing audience.