Open a tool, get your answer, close the tab. No email, no password, no onboarding flow.
Always instant · Always open
Calculations you can trust
Every formula is explained step by step. Understand the answer, not just the number.
Transparent · Step-by-step
Built for your context
Locale detection, currency switching, custom rates. The tools adapt to how you actually work.
Locale · Currency · Rates
Your daily toolkit
One organized space for the essential tools you actually use.
One URL · No Clutter
Who it's for
Tools for people who
build things.write stories.paint worlds.shoot films.make music.sew clothes.grow brands.cook food.take photos.forge paths.
Whether you're quoting a client or just trying to understand your margins, Denumb has the tool.
Freelancers
Quote confidently, invoice correctly, and know exactly what you take home after tax.
Rates · VAT · Invoices
Creatives
Designers, photographers, makers. Handle the business side without losing your flow.
Day rate · Currency · Margins
Small business
Pricing, margins, discounts. The everyday maths that keeps a small business sharp.
Profit · Discount · VAT
Side hustlers
Just starting out and figuring it as you go. Denumb makes the numbers part easy.
All tools · No sign-up
We use cookies
We use analytics cookies to understand how people use Denumb so we can make it better.
No selling your data. We only use it to improve Denumb. Privacy policy →