Updated September 21, 2026 · Prices verified from Mailchimp's own pricing pages (US and EU billing), September 2026 · Affiliate disclosure

Mailchimp Pricing and Hidden Costs: The Three Limits You Pay On

One price, three caps

This is the part of Mailchimp's pricing page that buyers skim past: the number it shows you is conditional. Before the page will render a figure you have to select a contact band, and there are twenty of them — 0–500, 501–1,500, 1,501–2,500, then steps through 5,000, 10,000, 25,000, 50,000, 75,000 and on to 1,000,000+.

Bands are steps, not rates. A list of 1,600 contacts sits in the 1,501–2,500 band and pays for 2,500, so one imported spreadsheet can move your bill by a full tier without changing your sending. The same ladder applies to all four plans, from Free up through Essentials, Standard and Premium.

Then come the caps that don't appear in the headline at all. Every plan limits how many emails a month you may send (expressed as a multiple of your contacts), and every plan limits users and audiences. Those three limits are checked separately, and that is where the interesting math lives.

What each plan actually allows

From Mailchimp's own plan comparison table, September 2026:

Two rows deserve more attention than they get. Automation is not on the free plan at all, and on Essentials it is capped at four flow steps — enough for a welcome email, not for a branching sequence. And the send allowance multiplier looks generous until you notice it scales with contacts rather than with how much you actually send.

At 500, 2,500 and 10,000 contacts

Multiplying out the published send allowance gives the real ceiling at each list size. Seats and audiences are caps on the plan, so they don't change with the band:

Read that table against your own habits and the tiers sort themselves out. A solo sender mailing a 2,500-person list twice a month uses about 5,000 of Essentials' 25,000 allowance — the plan is not the constraint. A four-person team is: Essentials allows three users, so a team of four pays for Standard at any list size. An agency running six client audiences needs Premium, because Standard stops at five. And at 10,000 contacts the send allowances (100,000 against 120,000 against 150,000) are academic for most senders, while the seat and audience caps are not.

What the pricing pages actually publish

Mailchimp prices per band and per region, and the page only renders a plan's figure once a band is selected. Here is what we could read from the official pages in September 2026:

Two things worth more than the numbers themselves. First, the discount is not a global promotion: the US page was running 50% off Standard for twelve months while the EU page was offering roughly 15% off each paid plan. Second, the offer changes which plan is the cheapest way in — at 50% off, Standard (with five users and custom reporting) undercuts the list price of the tier below it. If you are comparing Mailchimp against anything else, compare against the plan that is actually discounted today, then re-run the math at month thirteen.

What we deliberately do not print: figures for bands we could not read. Mailchimp's US page renders one plan's number at a time, so we publish the anchors the page states and leave the rest blank rather than extrapolating a ladder. Our methodology page explains why.

Six costs that appear after you have picked a plan

None of these are buried in a footnote nobody can find — they are on Mailchimp's own pages. They simply are not on the card you click.

• Overages bill themselves. Every plan carries the same footnote: overages apply if the contact or email send limit is exceeded. Mailchimp's FAQ spells out the consequence — the overage is invoiced automatically and campaigns continue as long as it is paid on time. Nothing pauses. You learn the tier was too small from the statement, not from a warning.
• Two limits trigger the same overage. Staying inside your contact band is not enough. Essentials at 2,500 contacts carries 25,000 sends a month; four full-list campaigns plus a re-send to non-openers can approach that. The allowance is monthly, it does not roll over, and there is no per-campaign view of it on the plan card.
• The offer has an expiry date. Twelve months at the promotional rate, then list price. A buyer who budgeted $10/month for Standard meets $20/month in month thirteen — the same structure as the 15%-off European offers, just steeper.
• SMS is a separate subscription in a credit block. SMS is an add-on to paid plans, and Mailchimp's own notes say credits are issued monthly, that unused credits expire and do not roll over, and that MMS is limited to Standard and Premium sending to US and Canada contacts. The line item renews on schedule whether or not you used it.
• Support quality is a plan threshold, not a feature. Phone and priority support starts at Premium; Essentials and Standard get 24/7 email and chat. Dedicated Customer Success is not on any published plan at all — a footnote ties it to custom plans spending at least $299 per month.
• Downgrades wait for the billing date, and refunds don't happen. Mailchimp's own FAQ: downgrades take effect at the end of the monthly billing period, and fees already invoiced are not refunded. Clean your list on the 3rd and you keep paying the old band until your anniversary.

A smaller version of the same pattern sits in the feature table: Essentials and Free can create custom-coded templates but must upgrade to send with them. And above 200,000 contacts the published ladder ends altogether — Mailchimp moves you to a high-volume plan by quote, and above 250,000 contacts to custom Premium pricing through sales.

One structural point in Mailchimp's favour: below 10,000 contacts there is no annual prepay to miss out on. Its own footnotes say annual plans are available for Premium and Standard plans of 10,000+ contacts via sales, so the promotional twelve months is the only discount mechanism at small list sizes — and it expires on a known date rather than hiding behind a billing toggle.

Who should not switch away from Mailchimp

• Anyone currently on the discounted rate. Fifty percent off Standard for a year is a better first-year price than most competitors can match at the same list size. If you are inside that window, switching mid-term throws away the discount — put the decision in your calendar for month twelve instead.
• List sizes above 200,000 contacts. At that point Mailchimp's price is negotiated, not published, and so is every competitor's. Migration risk against a renegotiated contract is rarely a good trade.
• Commerce-wired stores. If product sync, abandoned-cart flows and revenue reporting are already built on Mailchimp, the rebuild cost — remapping data, re-verifying sending domains, re-testing automations — usually outweighs a monthly saving in the low tens of dollars.
• Teams whose constraint is seats or audiences, not price. If four people need access or you manage several client audiences, check the user and audience rules on any cheaper platform before you commit. Plenty of lower-priced tools handle seat limits differently, and a four-person team can end up paying more than the sticker suggests.

How to use this if you are deciding

Three steps, in order. Count the contacts you expect in twelve months, not today, and find the band that covers them. Then count the people who need a login and the audiences you actually manage, because those caps decide the tier before send volume does. Then take the plan's list price, not the promotional one, and compare it with the alternatives at the same list size — we priced five of them from official pages in our Mailchimp alternatives guide, and if you have narrowed the choice to the two cheapest credible platforms, the Brevo vs MailerLite comparison reads both ladders band by band.

Every figure on this page comes from Mailchimp's own pricing pages or plan documentation, checked in September 2026 and dated above. Where a promotional rate and a list rate differ, we print both and say which is which. Anything we could not source is absent, including the bands we could not render.

Frequently asked questions

How much does Mailchimp cost at 500 contacts?

Mailchimp publishes no single rate card; the price appears once you select a band. On the US page, Standard at the 0–500 band is listed at $20/month and is currently offered at $10/month for twelve months. On the EU billing page the smallest band shows Essentials at €11.41, Standard at €17.55 and Premium at €307.11 per month. Free is $0 up to 250 contacts.

What happens if I exceed my contact or send limit?

On paid plans the overage is billed automatically — Mailchimp's FAQ says campaigns keep running as long as the overage is paid on time, so the invoice is the first warning. The free plan is the opposite: sending pauses when the 250-contact or daily send limit is crossed.

Can I pay annually for a lower price?

Not below the published ladder's top end. Mailchimp's own notes say annual plans exist for Premium and Standard 10,000+ contact plans through sales. Under that, the discounted twelve months is the only lever — 50% off Standard in the US, around 15% off the paid plans on the EU page — and it reverts at month thirteen.

Does Mailchimp charge per user?

No, users are capped per plan instead: 1 on Free, 3 on Essentials, 5 on Standard, unlimited on Premium, with audiences capped at 1, 3, 5 and unlimited. A four-person team therefore needs Standard at any list size, and an agency past five client audiences needs Premium.

Is the free plan still worth using?

For a genuinely small list, yes: $0 to 250 contacts, one user, one audience, no scheduling, limited templates and email support for 30 days. It also excludes automation flows entirely and pauses sending rather than billing an overage, so it is a starting point rather than a plan to grow on.

See what the alternatives bill at your list size →