Free calculators for side-hustlers

Free calculators to know your side-hustle numbers first

Estimate KDP royalties, YouTube earnings, marketplace profit, freelance rates and break-even in seconds, with guides that explain every number.

See the six calculators Get the weekly numbers

In this edition

KDP royalty calculator Print and ebook royalties after printing costs
YouTube earnings estimator Views and RPM into a monthly range
Facebook creator estimator Reach and RPM into a monthly range
Etsy and eBay fee calculator Profit per sale after fees and shipping
Freelance rate calculator The hourly rate your target income needs
Break-even calculator Units to sell before you are in profit

Six calculators. One quiet place.

Each one asks only for what it needs and shows the result as a clearly labelled estimate. Every guide on the blog links back to the calculator it explains.

KDP royalty calculator

For self-publishers on Kindle Direct Publishing.

You enter: List price, page count, trim size, marketplace
You get: Estimated royalty per copy

YouTube earnings estimator

For channels thinking about monetisation.

You enter: Monthly views, RPM range, audience mix
You get: Estimated monthly earnings range

Facebook creator estimator

For page owners and video creators.

You enter: Monthly views, RPM range
You get: Estimated monthly earnings range

Etsy and eBay fee calculator

For sellers pricing a product.

You enter: Sale price, item cost, shipping, platform fees
You get: Estimated profit per sale

Freelance rate calculator

For anyone selling their time.

You enter: Target income, expenses, billable hours
You get: Hourly rate to aim for

Break-even calculator

For any product with costs up front.

You enter: Fixed costs, price, cost per unit
You get: Units needed to break even

Know your side-hustle numbers before you start. A good estimate, labelled as one, beats a confident guess.

Every result on SideHustleCalc is an estimate built from rates we keep in one place and date openly. It is meant to help you decide, not to promise what you will earn.

Less noise between you and the number.

The usual way

With SideHustleCalc

One tool per platform, each on its own site

Six calculators and the guides behind them, in one place

Pages crowded with ads around the answer

A clean page where the result is the loudest thing

A single number that looks certain

A result labelled as an estimate, with a rates-updated date

A result with no explanation

A plain-English guide for each calculator

How we keep estimates honest.

Earnings depend on your niche, your audience and your effort. We cannot know those, so we show our working instead.

Rates in one editable place: Fees, RPMs and royalty rules are kept in a single configuration, never buried inside individual calculators.
A date on every result: Each result shows when the rates were last updated, so you can judge how fresh the estimate is.
A disclaimer you can read: Every result says plainly that it is an estimate and not a guarantee of earnings.
A guide for each calculator: Plain-English posts explain where each number comes from and what to do with it.
Affiliate links, labelled: Recommendations sit in a clearly marked box below each calculator, away from the result.
No ads in the way: Ad slots are reserved for later and switched off for now.

Questions, answered plainly.

Are the calculators free?

Yes. The calculators are free to use.

How accurate are the results?

Results are estimates, not guarantees. Real earnings depend on your niche, audience, pricing and effort. Each result shows when the rates behind it were last updated.

Where do the rates and fees come from?

They are kept in a single editable configuration and checked against the platforms. Each result displays the date the rates were last updated.

Which side hustles are covered?

KDP publishing, YouTube, Facebook creators, Etsy and eBay selling, freelancing, and a general break-even calculator for any product.

What is the weekly email?

Free weekly side-hustle numbers, sent to your inbox. You can sign up at the bottom of this page.