All-In-One Calculator – Containing over 75 calculators and unit converters

[App] All-In-One Calculator

All-In-One CalculatorAll-In-One Calculator is a free, lightweight, clean and easy to use calculator and unit converter.

Containing over 75 calculators and unit converters packed in with a scientific calculator with 40 vibrant color themes, it’s the only math app you will ever need from now on on your device.

It’s a great free calculator for school and homework, but not only. If you’re a scholar, student, teacher. builder, handyman, contractor, etc.. and you need an all in one tool for your device, give this one a try. You will never be disappointed.


Over 75 calculators and unit converters
Simple / Scientific built-in calculator
Percentage / Memory buttons
Real-time function graphing
HEX / BIN / DEC operations
Editable input
40 Vibrant color themes
Calculator history
Currency converter with 160 currencies, available offline
Supports math formulas as input
Instant results
Integrated search
Favorite list for quick access
Tablet support
All features are free

Languages: English, Romanian

Complete list of all the calculators and unit converters
Percentage calculator
Proportion calculator
Average calculator – arithmetic, geometric and harmonic means
Equation solver – linear, quadratic and equation system
Combinations and permutations
Decimal to fraction
Fraction simplifier
Greatest common factor & Lowest common multiple calculator
Random number generator

Area / Perimeter calculator for square, rectangle, parallelogram, trapezoid, rhombus, triangle, pentagon, hexagon, circle, circle arc, ellipse
Volume calculator for cube, rect. prism, square pyramid, sq. pyramid frustum, cylinder, cone, conical frustum, sphere, spherical cap, spherical frustum, ellipsoid
Right triangle calculator
Heron’s formula (solve a triangle knowing the side lengths)
Circle solver

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
Time converter
Digital storage converter
Data transfer speed converter
Numeric base converter
Roman numerals converter
Shoe size converter
Ring size converter
Cooking converter

Currency converter with 161 currencies available offline
VAT calculator
Tip calculator
Loan calculator
Electricity cost calculator
Cost of smoking calculator

Ohm’s law calculator – voltage, current, resistance and power
Speed / Distance / Time
Cylinder force calculator
Resistance calculator
Density calculator

Body mass index – BMI
Daily calories burn
Body fat percentage

Elapsed time calculator

Developed in Transylvania 🇷🇴

All-In-One Calculator user reviews :

It is beautiful! I talked about it in one of my video and one of you said so many cute things! I am so glad that i found this amazing app!

Very well done, clean interface, no nonsense, very few permissions required. Also, a very nice feature would be to add a history chart to the currency converter, if possible. Oh, and a hash calculator (MD5, SHA1…).

Really nice app. Made all my calculations easy. Must try at once. Its really handy and contains almost all the tools needed while doing maths homework!! The interface is also nice. Thank u MINDBOX for creating such a useful app.

Contact developer :


Video :

Download All-In-One Calculator from Play Store

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