Calculator Den · House #11,796

What it is

Calls itself “library of free online calculators”.

• Calls itself: library of free online calculators

“Calculator Den is a growing library of free online calculators”

Where it puts itself

Its one line of difference: “Most calculators online either bury the tool under adverts or hand you a number with no explanation. We do the opposite.”

“Most calculators online either bury the tool under adverts or hand you a number with no explanation. We do the opposite.”

What it costs

A free tier, free forever.

• Free plan: free forever

“100% free”

Who it sells to

Sells to businesses and consumers.

• Sells to: businesses and consumers

“From students and tradespeople to engineers, bankers and lab techs, Calculator Den is the quick, trustworthy tool people reach for”

How it runs

A web app. Runs locally and works offline. Built with Google Analytics.

• Kind: web
• Runs where: on the device, offline
• Analytics: Google Analytics

“Every calculator runs instantly in your browser”

“Every calculation happens in your browser, so nothing you enter is sent to or stored on a server.”

What it works with

Names French and Spanish on its pages.

• Names: French · Spanish

“Calculator Den”

“French (/fr/), Spanish (/es/)”

What it offers as proof

Live, no waitlist. Claims “86”. Try it without signing up. Publishes docs and a blog.

• Number claimed: 86
• Trial asks for: nothing

“No sign-up, no clutter.”

“86 calculators”