All In One Calculator

Contains adsIn-app purchases
346 reviews
Content rating
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About this app

🔥 All in one Calculator for Android devices.

🔥 It's a FREE All in one calculator, complete, and easy-to-use multi Construction calculator, Building material calculator, Civil engineering app, financial calculator, Civil, Interest rate calculator, Invoice maker & unit converter.

💎What does it do?
Designed with simplicity in mind, it helps you solve everyday problems.
From simple or complex calculations to the unit and percentages, proportions, areas, volumes, etc... All in one calculator app does it all. And it does it well!

🥇This is the PERFECT All in one Calculator pro
Passionate development combined with constant feedback we receive from our users resulted in what we think is the best multi calculator in the store.

Featuring over 2001+ 🔓FREE All in one Calculators packed in with a Simple or Scientific Calculator, it's the only All in one calculator you will need from now on your device.

Best for everyday use.

If you are a student, teacher, engineer, handyman, contractor, CA, or just somebody who struggles with math, EMI, loan, cash counting, shopping list & conversions, you really should give this All in one calculator one a try.

So, on with the features...

1. 60+ color combinations with day & night themes

2. 2001+ function

3. Simple calculator with Scientific calculator

4. Engineers’ calculator
• Compass
• Spirit level
• Protractor
• Unit converters
• Acceleration converter
• Angle converter
• Length converter
• Energy converter
• Force converter
• Torque converter
• Area converter
• Volume converter
• Volumetric flow converter
• Weight converter
• Temperature converter
• Pressure converter
• Power converter
• Speed converter
• Mileage converter
• Digital storage converter
• Data transfer speed converter
• Cooking converter
• Area calculator
• Volume * metal calculator
• Tank volume * liquid volume * pipe volume
• Land area app
• Trigonometry calculations

5. Building calculator — Construction calculator — Carpenter calculator
• The highest function as compared to other construction calculator app
• Filling and excavation with trip count
• RCC can calculate easily steel quantity + column + footing steel with beam and slab steel. The slab supports a simple + one-way and two—way slab
• Concrete calculator for all shapes with staircase
• Brickwork (Wall + flooring + pavement)
• Plaster quantity
• Flooring tiles
• Wall tiles
• Paint
• Anti termite
• Asphalt
• Superelevation for roads
• POP plaster
• Boundary * compound wall
• Concrete test
• Construction calculator for civil engineers

6. Finance calculator
• Billing calculator
• Item, shopping list effortless to use & you can share with anyone
• Discount with tax
• Tip split bill calculator
• Cash counter and money calculator
• Number to text calculator
• Unit price calculator
• Tax pro * GST calculator * income tax * VAT
• Simple Tax with GST calculator and income tax and VAT
• Loan Affordability
• Compare loans and interest rates
• Doubling time
• Simple interest
• Compound interest
• FD
• RD
• CAGR compound interest
• SIP investment
• ROI investment

11. Tools calculator
• Fuel + gas calculator
• Fuel + gas economy
• Fuel + gas price
• Fuel + gas expected
• Distance
• Cooking calculator
• Counter calculator
• Age calculator
• BMI calculator
• Health calculator

• It is equipped with a metric system, imperial system & SI system (Meter, feet all units) with the highest number of calculation functions, so if you have any profession this calculator app is perfect for you.
Updated on
Sep 1, 2022

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Data is encrypted in transit
You can request that data be deleted
346 reviews
Jean-Robert Lojat
August 29, 2022
This Calculator is Very nice. I Found exactly what I was looking for, but unfortunately, he doesn't have the Currency converter that I use Evey single day.
Did you find this helpful?
Nikhil Games & apps
September 1, 2022
Hi Jean-Robert Lojat, thank you for downloading our app. We are working on a currency converter. This feature will be available in upcoming updates. Please wait a little bit. We'd love to earn 5 stars, so please write to us at suggesting what we can do to improve.
Melissa Klahre
July 4, 2022
The app itself works great but it could use a better interface. The main layout definitely could be a lot better ,to be able to see where all the different measurement apps are would make this app look better and easier to use.
4 people found this review helpful
Did you find this helpful?
Nikhil Games & apps
July 4, 2022
Hi Melissa Klahre, Thanks for your valuable feedback. We are currently working on new UI with 60 colors combination. You can see more details on reddit page = r/smart_calculator If possible please reconsider giving 5 🌟. This will encourage us to work hard on this app improvements. Have a nice day 😀
J.R. Rangel
July 16, 2022
Found this app thru reddit post. I like the layout and the extras . Keep up the great work. Already told my gf to download it as well..
4 people found this review helpful
Did you find this helpful?
Nikhil Games & apps
August 4, 2022
Hi J.R. Range, Thanks for your review! Please recommend our app to your friends, and don’t hesitate to shoot us a note at if you have any questions.

What's new

⏬ Total 2001+ calculator modes and features ⏬
✅ Bug fixes in Cash calculator
✅ Many more improvements