Best alternatives to Scientific Calculator (2026)
10 Chrome extensions that do a similar job to Scientific Calculator, closest first. Each shows real store users, its rating, how recently it was updated and how many permissions it asks for.
Scientific Calculator today
Scientific Calculator alternatives, compared
- 1
Free Scientific Calculator
Free Scientific Calculator for your browser
≈2K users4.1★ from 40 ratingsNo special permissions- About 50× fewer users than Scientific Calculator
- Asks for fewer permissions (0 vs 2)
- 2
Floating Scientific Calculator
A floating scientific calculator anywhere you need it
≈20K users4.7★ from 108 ratingsNot updated for 2+ years6 permissions- About 5.0× fewer users than Scientific Calculator
- Rated 0.4 stars higher
- Updated less recently
- Asks for more permissions (6 vs 2)
- 3
Calculator
A scientific calculator
≈1K users5.0★ from 4 ratingsNot updated for 4+ years1 permissions- About 100× fewer users than Scientific Calculator
- Updated less recently
- Asks for fewer permissions (1 vs 2)
- 4
Melanto Calculator
One different scientific calculator...
≈7K users4.2★ from 52 ratingsUpdated 8 months ago3 permissions- About 14× fewer users than Scientific Calculator
- Updated less recently
- Asks for more permissions (3 vs 2)
- 5
Calculator
A simple calculator that remembers your last calculation. You can close it at any time, and reopen it without losing your work.
≈90K users4.1★ from 124 ratingsUpdated 7 months agoNo special permissions- A similar number of users to Scientific Calculator
- Updated less recently
- Asks for fewer permissions (0 vs 2)
- 6
Calculator
A simple and intuitive calculator to help you with your work. Opens directly on the site page
≈50K users4.2★ from 71 ratingsNot updated for 2+ years3 permissions- About 2.0× fewer users than Scientific Calculator
- Updated less recently
- Asks for more permissions (3 vs 2)
- 7
Gate Calculator
Virtual Calculator for Gate Aspirants!
≈10K users4.8★ from 102 ratingsUpdated 14 months agoNo special permissions- About 10× fewer users than Scientific Calculator
- Rated 0.5 stars higher
- Updated less recently
- Asks for fewer permissions (0 vs 2)
- 8
Date calculator
Date Calculator: count days between dates and do date maths: add days to a date or subtract days, quick date to date calculator
≈2K users4.7★ from 3 ratingsNot updated for 2+ years2 permissions- About 50× fewer users than Scientific Calculator
- Updated less recently
- 9
Lot Size Calculator
Seamlessly calculate forex lot sizes in TradingView. Automate trading with instant, accurate position sizing for forex pairs.
≈2K users4.3★ from 32 ratingsUpdated 6 months ago9 permissions- About 50× fewer users than Scientific Calculator
- Updated less recently
- Asks for more permissions (9 vs 2)
- 10
Percentage Calculator
Perform basic percentage calculations easily.
≈2K users4.8★ from 13 ratingsUpdated 23 months agoNo special permissions- About 50× fewer users than Scientific Calculator
- Updated less recently
- Asks for fewer permissions (0 vs 2)
Scientific Calculator alternatives: questions
What is the best alternative to Scientific Calculator?
By users, the most popular alternative is Calculator with ≈90K users and a 4.1-star rating. The closest match by what it does is Free Scientific Calculator.
Which Scientific Calculator alternative has the best rating?
Gate Calculator has the highest rating of these alternatives with 50+ ratings: 4.8 out of 5 from 102 ratings.
Is there a Scientific Calculator alternative that asks for fewer permissions?
Free Scientific Calculator asks for 0 permissions, against 2 for Scientific Calculator.
How many alternatives to Scientific Calculator are there?
We list 10 close alternatives to Scientific Calculator on the Chrome Web Store, picked by what they do and ranked by how close they are.
Users and ratings are the figures shown on the Chrome Web Store, re-checked continuously. Alternatives are matched on name, description, category and topic. Browse best-of lists by niche.