Estimate what a new business website should cost to build
Made for freelancers, agencies, startups, and small business owners
Free business and marketing calculators from Nemin.io
Nemin.io gives you a growing set of no-cost calculators for pricing your work, planning budgets, and checking the math before you commit. Skip the messy spreadsheets and get a clear answer right in your browser.
Free online tools
No sign-up needed
Runs in your browser
Built for US teams
Popular calculators to start with
These are the estimators people open most often. Choose the one that matches the decision in front of you, or scroll down to browse the full lineup grouped by category.
Plan a realistic monthly SEO budget in minutes.
Plan your monthly PPC budget from lead goals
See the true ROI behind any spend or project
See your profit margin and markup from cost and revenue
Find the sales volume that turns cost into profit
Set a freelance hourly rate that actually pays your bills
Price recurring client retainers with confidence and margin
Price your monthly social media management with confidence
See if your next email campaign will turn a profit
Count words, characters, and reading time in seconds.
Make the call with numbers, not guesswork
Most business choices come down to a figure you haven't worked out yet: what to charge, how much to put behind a campaign, or when a project finally pays for itself. Nemin.io turns those open questions into quick, structured estimates so you can move ahead with confidence.
Because each tool asks only for the inputs that genuinely move the outcome, you walk away with a number you can defend to a client, a partner, or your future self. Compare a couple of scenarios, sanity-check a proposal, or pressure-test a budget in less time than it takes to build a blank sheet.
Who reaches for Nemin.io
Freelancers pricing their next contract, agencies shaping monthly retainers, founders modelling early spend, marketers defending an ad budget, and owners weighing a new investment all lean on these tools. If any part of your week involves justifying a number, there's a calculator here that fits the task.
Freelancers
Agencies
Startups
Marketers
Consultants
Small Business Owners
Calculators Grouped by What You Need to Plan
Every Nemin.io tool is sorted into a clear category, so you can go straight to the website, marketing, pricing, or content question in front of you.
Website & SEO
Scope a realistic site build and map out an SEO investment before you brief a developer or sign with an agency.
Marketing & Ads
Plan your ad spend, forecast campaign returns, and see what your email and social efforts are actually worth.
Pricing & Profitability
Set defensible rates, protect your profit margin, and pinpoint the moment a project or product starts earning.
Writing & Content
Measure the length of headlines, meta descriptions, and posts so your copy fits wherever it needs to live.
Why teams choose Nemin.io
Genuinely free
Every calculator on Nemin.io runs at zero cost, with no trial countdown and nothing quietly locked away for later.
No account required
Open a tool and start typing figures right away; there's no sign-up form sitting between you and your answer.
Practical, not academic
Each estimator is built around real freelance, agency, and small-business decisions rather than abstract textbook formulas.
Private by design
Your inputs are calculated in the browser, so the sensitive numbers you test stay on your own screen.
More places to explore
Business Tools
Browse the full lineup of free calculators for pricing, margins, budgets, and ROI, all ready to use in your browser.
About the Toolkit
Learn what Nemin.io sets out to do and the thinking behind this free collection of business and marketing calculators.
Contact the Team
Reach out with questions, feedback, or a calculator you would like us to build next.
Insights
Read practical guides and short breakdowns that help you get more out of each planning tool.
Privacy Notice
See how your information is handled when you use the calculators and visit the site.
Usage Terms
Review the simple terms that govern how you can use Nemin.io and its free tools.
Frequently Asked Questions
What is Nemin.io?
Nemin.io is a free online suite of calculators and planning tools built for people who run and grow businesses. Instead of wrestling with spreadsheets, you plug in a few numbers and get quick, usable figures for pricing, margins, budgets, and return on investment. Everything runs in your browser, so there is nothing to download or install.
Who should use these tools?
The toolkit is aimed at freelancers, agency owners, early-stage founders, marketers, consultants, and small business operators who need fast answers without hiring an analyst. Whether you are setting a project rate, sizing an ad budget, or checking whether a campaign paid off, the calculators fit the day-to-day decisions these roles face. No finance background is required to get value from them.
Are the calculators actually free?
Yes, every tool on Nemin.io is free with no account, subscription, or trial period attached. You will not hit a paywall partway through a calculation or be asked for card details to see your results. The goal is to give small teams and solo operators reliable planning numbers at zero cost.
What kinds of tools can I find here?
The collection spans pricing calculators, profit margin and markup helpers, marketing budget and ad spend planners, ROI estimators, and project quoting tools, among others. Each one focuses on a single, practical question so you can jump straight to what you need. New calculators are added over time to cover more corners of business and marketing planning.
Do the estimates work for US-based planning?
The calculators are designed with US freelancers, agencies, and small businesses in mind, using dollar amounts and assumptions that match how work is priced and budgeted in the States. Keep in mind that every result is a planning estimate meant to guide your thinking, not a substitute for tailored accounting or tax advice. Treat the figures as a solid starting point and confirm specifics with a professional when the stakes are high.
Run the numbers before you commit
Pick a calculator, enter a few details, and see where your pricing, spend, or return actually lands. Nemin.io is free to use whenever the next decision needs a clear number behind it.
Browse Calculators