Nemin.io is a set of 21 free calculators for freelancers and agencies, hourly rates, SEO budgets, ad spend, retainers, margins and more. Each one showing the exact formula behind its number, not a black box.
Who uses nemin.io
Built for the people who price their own work — not the agencies pricing for them.
Freelancers
Setting an hourly rate, quoting a new client, or checking whether a project actually pays before saying yes.
Agencies
Pricing retainers, comparing SEO vs. ad spend for a client pitch, or building a website quote backed by real numbers.
Startups & founders
Budgeting a first website, a marketing spend, or finding the break-even point before a launch.
Marketers & consultants
Reporting campaign ROI, planning a Google Ads or SEO budget, or pricing a service package for a new client.
Why the numbers matter
Most pricing mistakes don’t come from bad work — they come from skipping the math. A freelance hourly rate set from a gut feeling rarely covers taxes, time off, or the hours that don’t get billed. A monthly retainer priced from a competitor’s rate card rarely accounts for your actual scope. nemin.io exists to close that gap: run the numbers in under a minute, then quote, budget, or negotiate from an actual figure instead of a guess.
The twenty-one calculators here fall into five groups, and they’re grouped that way on purpose. Website and visibility spend comes first because it’s usually the first budget a founder has to plan. Advertising and PPC gets its own section because Google Ads, Local Service Ads, and multi-platform spend are three different pricing models that shouldn’t share one calculator. Pricing and profitability covers what you charge, not what you spend. Marketing and retainers covers the ongoing relationships — the numbers that repeat every month instead of showing up once. And performance and growth metrics covers what you report back once a campaign is already running.
Pricing a website or a redesign
Website pricing questions cover a wide range of intent — some people want a fast website cost estimator before a first client call, others want a detailed website design pricing calculator broken out by page count, CMS, and functionality. The Website Cost Calculator and Web Design Pricing Calculator both start from the same core inputs — pages, features, and design complexity — but the second one breaks results into package tiers (starter, standard, custom) so agencies can hand a client three options instead of one number.
Budgeting for SEO and paid search
Business owners routinely search for an SEO budget calculator, a Google Ads calculator, or a straightforward PPC cost estimator, and often land on three different answers depending on which tool they use. These are built to sit next to each other on purpose: the SEO Budget Calculator estimates a monthly organic spend, the Google Ads Budget Calculator and Google Ads CPC Calculator handle paid search from two directions — target spend versus target clicks — and the Google Local Service Ads Calculator covers the separate per-lead pricing model that regular CPC calculators get wrong for home-service businesses. Run the SEO vs. Ads Split Calculator last to see both channels side by side before deciding where the next dollar goes.
Setting rates that actually cover your costs
A freelance hourly rate calculator and a margin calculator solve two different problems that get confused constantly. Your hourly rate needs to cover your income goal, overhead, and the unbillable hours every freelancer has; your margin — not to be confused with markup, which is calculated on cost instead of price — tells you whether a specific job is actually profitable once materials and time are accounted for. The Break-Even Calculator adds a third angle: how many units or projects it takes before you’re covering costs at all, which matters more than either rate or margin when pricing a new service line from scratch.
Pricing ongoing and recurring work
Recurring engagements are priced differently than one-off projects, because the value compounds over months. An agency retainer calculator and a social media pricing calculator both need to account for deliverables and hours, not a flat guess pulled from a competitor’s rate card. The Email Marketing ROI Calculator looks backward rather than forward — useful for reporting to a client on what a campaign actually returned, and for deciding whether a channel is worth keeping in the retainer at all.
Reporting performance once a campaign is live
Most free calculators — including competing sites — return a single number and stop there, which tells you what happened but not whether it’s good. The ROAS calculator checks your result against your own break-even ROAS instead of a generic 4x rule of thumb. The CAC calculator pairs your acquisition cost with a CAC:LTV ratio so you know whether the number is sustainable, not just what it is. The engagement rate calculator and influencer rate calculator both benchmark against real follower-tier averages instead of returning a raw percentage with no context.
How these estimates are calculated
Every calculator on this site uses a fixed formula, not a black-box estimate. The Freelancer Hourly Rate Calculator takes your annual income goal, divides it by billable days per year, and adds your stated overhead and tax percentage — the same math a good accountant would walk you through, just faster. The Break-Even Calculator divides fixed costs by the difference between price and variable cost per unit. The Margin Calculator runs the standard margin formula — (price minus cost) divided by price — with a toggle for markup, which is (price minus cost) divided by cost. These two numbers get mixed up constantly, and mixing them up is the single most common pricing error we see.
The market-facing calculators — SEO Budget, Google Ads Budget, Website Cost, Agency Retainer, and Social Media Pricing — work differently, because there’s no fixed formula for what an agency should charge. These use ranges built from typical U.S. market pricing across business size, competition level, and scope — the same categories a real quote would ask about. That’s why the results are ranges or estimates, not fixed quotes: actual pricing depends on your specific market, provider, and negotiation, and these tools are a starting point for that conversation, not a replacement for it.
We’d rather a calculator under-promise on precision than give a false sense of exactness. Every tool includes a short note on what can move the number in either direction, and none of them require an email address or account to see a result.
Frequently asked questions
Are nemin.io’s calculators free to use?
Yes. Every calculator on this site is free, with no sign-up or email required.
Who are these tools built for?
Freelancers, agencies, consultants, and small business owners who need a fast, realistic number before pricing a project or approving a budget.
How accurate are the estimates?
These are planning estimates, not quotes. Actual costs vary with scope, market, and provider — use the numbers as a starting point before finalizing pricing.
Can I use these to quote a client directly?
The Client Quote Builder is built for exactly that. The other calculators are best used to sanity-check a number before you send it.
What’s the difference between margin and markup?
Margin is calculated as a percentage of price: (price minus cost) divided by price. Markup is calculated as a percentage of cost: (price minus cost) divided by cost. The two numbers are always different for the same job, which is why the Margin Calculator shows both instead of picking one.
How much should a small business budget for Google Ads?
It depends on target clicks, average cost-per-click for your industry, and conversion goals — there’s no single number that applies across industries. The Google Ads Budget Calculator estimates a monthly figure from your specific inputs; the Google Ads CPC Calculator isolates just the cost-per-click question if you already know your budget.
Do Google Local Service Ads work differently than regular Google Ads?
Yes. Local Service Ads charge per qualified lead rather than per click, which makes them a different budgeting model entirely — most CPC-based calculators don’t apply. The Google Local Service Ads Calculator uses a per-lead cost model built for that difference.
What’s a realistic SEO budget for a small business?
It varies with competition, market, and whether you’re targeting local or national visibility. The SEO Budget Calculator factors in all three; the SEO vs. Ads Split Calculator is useful right after, to see whether that budget is better spent on organic, paid search, or split between both.
Do I need any special software?
No. Everything runs in your browser — no spreadsheet, download, or sign-up required.
What’s the difference between an ad spend calculator and a Google Ads calculator?
The Google Ads Budget Calculator and Google Ads CPC Calculator are specific to Google’s search platform. The Ad Spend Calculator is broader — it’s built for comparing or combining a budget across Google, Meta, and other platforms at once, which is useful when you’re deciding how to split spend rather than planning one channel in isolation.
How is a web design pricing calculator different from a website cost calculator?
The Website Cost Calculator returns a single estimate based on scope. The Web Design Pricing Calculator breaks that same scope into package tiers — starter, standard, and custom — which is closer to how an agency would actually present pricing options to a client.
What counts as a good ROAS?
It depends on your margin, not a fixed number — a 3x ROAS can be a loss for a low-margin product and a healthy return for a high-margin one. The ROAS Calculator works out your specific break-even ROAS from your own margin, then shows how your actual result compares to it.
What’s a healthy CAC:LTV ratio?
A ratio of 1:3 or higher — spending $1 to acquire a customer worth $3 or more over their lifetime — is generally considered sustainable. Below that, growth usually costs more than it returns. The CAC Calculator shows this ratio alongside your payback period, not just the acquisition cost on its own.