Best Calculators of 2025

Last updated on 06/11/2025
Advertising disclosure
Advertising disclosure
Most Relevant
Most Relevant
Best Discount
Lowest Price
ElectronicsHome & KitchenComputersOffice SuppliesToys & GamesSports & Fitness
Most Relevant
Most Relevant
Best Discount
Lowest Price
Best Choice
1
Casio fx-991CW Advanced Scientific Calculator (UK Version)
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
Casio fx-991CW Advanced Scientific Calculator (UK Version)
Casio
23% OffFree Shipping
Why we love it
  • Approved for all UK exams.
  • Best-selling advanced calculator.
  • Dual powered and reliable.
Main Highlights
  • Casio fx-991 is the UK’s best-selling ‘advanced scientific’ calculator.
  • fx-991 CW is the new upgraded version of the fx-991 EX
  • Allowed in every UK exam where a calculator can be used
  • Approved for Key stages 3, 4 and 5, recommended for Advanced GCSE, A/AS level and Highers
  • Dual powered, solar with battery back up and auto power-off
  • Ideal exam calculator for: GCSE Higher SQA Higher
Show More
9.9
Exceptional
Product image 1
Product image 2
Product image 3
Product image 4
9.9
Exceptional
Casio
Casio fx-991CW Advanced Scientific Calculator (UK Version)
23% OffFree Shipping
Why we love it
  • Approved for all UK exams.
  • Best-selling advanced calculator.
  • Dual powered and reliable.
Main Highlights
  • Casio fx-991 is the UK’s best-selling ‘advanced scientific’ calculator.
  • fx-991 CW is the new upgraded version of the fx-991 EX
  • Allowed in every UK exam where a calculator can be used
  • Approved for Key stages 3, 4 and 5, recommended for Advanced GCSE, A/AS level and Highers
  • Dual powered, solar with battery back up and auto power-off
  • Ideal exam calculator for: GCSE Higher SQA Higher
Show More
Value for Money
2
Casio fx-85GTCW Black Scientific Calculator
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
Casio fx-85GTCW Black Scientific Calculator
Casio
30% OffFree Shipping
Why we love it
  • Highly recommended for exams.
  • Dual power for reliability.
  • Upgraded for better performance.
Main Highlights
  • Casio fx-85GTCW is the UK's best-selling dual-powered scientific calculator
  • fx-85GTCW is the new upgraded version of the fx-85GT X
  • Allowed in every UK exam where a calculator can be used.
  • Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving
  • Dual powered, solar with battery back up and Auto power-off.
Show More
9.8
Exceptional
Product image 1
Product image 2
Product image 3
Product image 4
9.8
Exceptional
Casio
Casio fx-85GTCW Black Scientific Calculator
30% OffFree Shipping
Why we love it
  • Highly recommended for exams.
  • Dual power for reliability.
  • Upgraded for better performance.
Main Highlights
  • Casio fx-85GTCW is the UK's best-selling dual-powered scientific calculator
  • fx-85GTCW is the new upgraded version of the fx-85GT X
  • Allowed in every UK exam where a calculator can be used.
  • Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving
  • Dual powered, solar with battery back up and Auto power-off.
Show More
3
Calculators HIHUHEN Large Calculator Solar & Battery Power 12 Digit Display Multi-Functional Big Button for Business Office School Calculating (1 x Calculator)
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
Calculators HIHUHEN Large Calculator Solar & Battery Power 12 Digit Display Multi-Functional Big Button for Business Office School Calculating (1 x Calculator)
HIHUHEN
Free Shipping
Why we love it
  • Solar or battery powered convenience.
  • Clear display with 12 digits.
  • User-friendly with memory functions.
Main Highlights
  • Dual power ways: Solar power or 1 AA battery (Battery Included) , energy saving and convenient.
  • Adopt Japanese LCD screen, 12 digits, display data clearly.
  • Support +/-(negative)，%，√ calculation; Rounding off & decimal place setting; CE/C (part/all clear), MC/MR/M+/M- (memory) key.
  • Auto shut-down in 8min if no further operation.
  • Big ABS plastic button, offer accurate positioning and comfortable texture, support >1 million times press.
Show More
9.7
Exceptional
Product image 1
Product image 2
Product image 3
Product image 4
9.7
Exceptional
HIHUHEN
Calculators HIHUHEN Large Calculator Solar & Battery Power 12 Digit Display Multi-Functional Big Button for Business Office School Calculating (1 x Calculator)
Free Shipping
Why we love it
  • Solar or battery powered convenience.
  • Clear display with 12 digits.
  • User-friendly with memory functions.
Main Highlights
  • Dual power ways: Solar power or 1 AA battery (Battery Included) , energy saving and convenient.
  • Adopt Japanese LCD screen, 12 digits, display data clearly.
  • Support +/-(negative)，%，√ calculation; Rounding off & decimal place setting; CE/C (part/all clear), MC/MR/M+/M- (memory) key.
  • Auto shut-down in 8min if no further operation.
  • Big ABS plastic button, offer accurate positioning and comfortable texture, support >1 million times press.
Show More
4
CATIGA 12 Digit Desktop Calculator with Large LCD Display and Sensitive Button, Dual Solar Power and Battery, Standard Function for Office, Home, School, CD-2786
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
CATIGA 12 Digit Desktop Calculator with Large LCD Display and Sensitive Button, Dual Solar Power and Battery, Standard Function for Office, Home, School, CD-2786
CATIGA
5% OffFree Shipping
Why we love it
  • Large, clear LCD display.
  • Sensitive and big buttons.
  • Dual solar and battery power.
Main Highlights
  • 【LARGE DISPLAY】The huge LCD screen that clearly displays big numbers makes it easy to read from afar, and it’s aesthetically pleasing.
  • 【SENSITIVE AND BIG BUTTONS】Your calculation process will be faster and smoother with this calculator’s responsive buttons. Once pressed, the buttons quickly register and display the corresponding number on the screen. The big size of the buttons prevents you from hitting the wrong button.
  • 【DUAL POWER DESIGN】This calculator utilizes both the solar power and battery power (battery included). The solar panel, as long as you use it in a lit environment, will power up the calculator thoroughly.
  • 【VERSATILE PURPOSES】This calculator is designed for many occasions: business, office, home, basic budgeting, school, and more. Use it to assist your personal finance or just a quick calculation session.
  • 【FUNCTIONALITIES】Add, subtract, multiply, divide, backspace, grand total, CE, %, M+/M-/MRC, On/AC Button, and Auto Power-Off. The calculator will turn itself off after about 6 minutes of being idle.
Show More
9.6
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.6
Superb
CATIGA
CATIGA 12 Digit Desktop Calculator with Large LCD Display and Sensitive Button, Dual Solar Power and Battery, Standard Function for Office, Home, School, CD-2786
5% OffFree Shipping
Why we love it
  • Large, clear LCD display.
  • Sensitive and big buttons.
  • Dual solar and battery power.
Main Highlights
  • 【LARGE DISPLAY】The huge LCD screen that clearly displays big numbers makes it easy to read from afar, and it’s aesthetically pleasing.
  • 【SENSITIVE AND BIG BUTTONS】Your calculation process will be faster and smoother with this calculator’s responsive buttons. Once pressed, the buttons quickly register and display the corresponding number on the screen. The big size of the buttons prevents you from hitting the wrong button.
  • 【DUAL POWER DESIGN】This calculator utilizes both the solar power and battery power (battery included). The solar panel, as long as you use it in a lit environment, will power up the calculator thoroughly.
  • 【VERSATILE PURPOSES】This calculator is designed for many occasions: business, office, home, basic budgeting, school, and more. Use it to assist your personal finance or just a quick calculation session.
  • 【FUNCTIONALITIES】Add, subtract, multiply, divide, backspace, grand total, CE, %, M+/M-/MRC, On/AC Button, and Auto Power-Off. The calculator will turn itself off after about 6 minutes of being idle.
Show More
5
Empire Desk Calculator with Large Key Buttons, 12 Digits, Large Eye-Angled Display, Solar and Battery Powered for Home and Office (Included 2 Battery, 2 Pen and 1 Rubber)
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
Empire Desk Calculator with Large Key Buttons, 12 Digits, Large Eye-Angled Display, Solar and Battery Powered for Home and Office (Included 2 Battery, 2 Pen and 1 Rubber)
EMPIRE TRADING & COMMERCE
20% OffFree Shipping
Why we love it
  • Uninterruptible power at all times.
  • Enhanced visibility with eye-angled display.
  • Comfortable and responsive large keys.
Main Highlights
  • ERGONOMIC DESIGN: The large electronic calculator with 12 raised digits have been designed to perform calculations easily. Suitable for students of all age and offices
  • 30° EYE-ANGLED: The inclination of the display makes it easier to visualise performed calculations compared to horizontal displays
  • DUAL POWERED: Battery and solar. The competitive advantage of uninterruptible power at home and during office hours
  • LARGE KEYS: The large keys make typing comfortable with high sensitivity for a smooth performance
  • QUALITY ASSURED: We strive to create products that stand out from the crowd caring about your experience and satisfaction. We can guarantee a safe choice of premium quality for you and your family
Show More
9.4
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.4
Superb
EMPIRE TRADING & COMMERCE
Empire Desk Calculator with Large Key Buttons, 12 Digits, Large Eye-Angled Display, Solar and Battery Powered for Home and Office (Included 2 Battery, 2 Pen and 1 Rubber)
20% OffFree Shipping
Why we love it
  • Uninterruptible power at all times.
  • Enhanced visibility with eye-angled display.
  • Comfortable and responsive large keys.
Main Highlights
  • ERGONOMIC DESIGN: The large electronic calculator with 12 raised digits have been designed to perform calculations easily. Suitable for students of all age and offices
  • 30° EYE-ANGLED: The inclination of the display makes it easier to visualise performed calculations compared to horizontal displays
  • DUAL POWERED: Battery and solar. The competitive advantage of uninterruptible power at home and during office hours
  • LARGE KEYS: The large keys make typing comfortable with high sensitivity for a smooth performance
  • QUALITY ASSURED: We strive to create products that stand out from the crowd caring about your experience and satisfaction. We can guarantee a safe choice of premium quality for you and your family
Show More
6
Casio fx-83GTCW Black Scientific Calculator
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
Casio fx-83GTCW Black Scientific Calculator
Casio
30% OffFree Shipping
Why we love it
  • UK's best-selling scientific calculator.
  • Upgraded version with improvements.
  • Allowed in UK exams.
Main Highlights
  • Casio fx-83GTCW is the UK's best-selling scientific calculator
  • fx-83GTCW is the new upgraded version of the fx-83GT X
  • Allowed in every UK exam where a calculator can be used
  • Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving.
  • Clip-on on protective hard cover included
Show More
9.3
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.3
Superb
Casio
Casio fx-83GTCW Black Scientific Calculator
30% OffFree Shipping
Why we love it
  • UK's best-selling scientific calculator.
  • Upgraded version with improvements.
  • Allowed in UK exams.
Main Highlights
  • Casio fx-83GTCW is the UK's best-selling scientific calculator
  • fx-83GTCW is the new upgraded version of the fx-83GT X
  • Allowed in every UK exam where a calculator can be used
  • Recommended and approved for use within Key Stages 3 and 4, to include GCSE, National and Higher, Junior and Leaving.
  • Clip-on on protective hard cover included
Show More
7
RENUS 2-Line Engineering Scientific Calculator Function Calculator for Student and Teacher
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
RENUS 2-Line Engineering Scientific Calculator Function Calculator for Student and Teacher
RENUS
Free Shipping
Why we love it
  • Perfect for math students.
  • Reduces double-counting errors.
  • Comfortable ergonomic design.
Main Highlights
  • RENUS 2-Line Engineering Scientific Calculator
  • Powered by 2 AAA batteries (Included)
  • Rugged slide-off protective hard case
  • Robust, professional grade scientific calculator helps you explore math and science concepts.
Show More
9.2
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.2
Superb
RENUS
RENUS 2-Line Engineering Scientific Calculator Function Calculator for Student and Teacher
Free Shipping
Why we love it
  • Perfect for math students.
  • Reduces double-counting errors.
  • Comfortable ergonomic design.
Main Highlights
  • RENUS 2-Line Engineering Scientific Calculator
  • Powered by 2 AAA batteries (Included)
  • Rugged slide-off protective hard case
  • Robust, professional grade scientific calculator helps you explore math and science concepts.
Show More
8
CATIGA Desktop Calculator 8 Digit with Solar Power and LCD Display, Big Buttons, for Home, Office, School, Class and Business, 4 Function Small Basic Calculators for Desk, CD-8185
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
CATIGA Desktop Calculator 8 Digit with Solar Power and LCD Display, Big Buttons, for Home, Office, School, Class and Business, 4 Function Small Basic Calculators for Desk, CD-8185
CATIGA
Free Shipping
Why we love it
  • User-friendly for all ages.
  • Comfortable typing experience guaranteed.
  • Durable design for longevity.
Main Highlights
  • 【EASY-TO-USE DESIGN】With its large screen, this calculator is made for convenient and comfortable everyday use. Its tilted and angled display allows you to easily see your calculations without straining your eyes.
  • 【LARGE RESPONSIVE BUTTONS】Spacious button sizes ensure that your fingers are much less likely to hit the wrong number, all while providing a satisfying sensation when typing.
  • 【ROBUST BUILD】Built with a sturdy and premium plastic body, this desktop calculator is constructed with everyday use in mind. It is convenient, powerful, and long lasting.
  • 【VERSATILE FUNCTIONS】With its add, subtract, multiply, divide, percent, grand total and CE Button functionalities, this calculator's versatile nature allows it to be used in many occasions.
  • 【DUAL POWER SOURCES】With the aid of its dual solar and battery power system, this calculator is fully powered in any lit environment. The battery comes included with the calculator, ensuring quick and easy access right away. PLEASE NOTE: The calculator will turn itself off after about 6 minutes of being idle.
Show More
9.0
Superb
Product image 1
Product image 2
Product image 3
Product image 4
9.0
Superb
CATIGA
CATIGA Desktop Calculator 8 Digit with Solar Power and LCD Display, Big Buttons, for Home, Office, School, Class and Business, 4 Function Small Basic Calculators for Desk, CD-8185
Free Shipping
Why we love it
  • User-friendly for all ages.
  • Comfortable typing experience guaranteed.
  • Durable design for longevity.
Main Highlights
  • 【EASY-TO-USE DESIGN】With its large screen, this calculator is made for convenient and comfortable everyday use. Its tilted and angled display allows you to easily see your calculations without straining your eyes.
  • 【LARGE RESPONSIVE BUTTONS】Spacious button sizes ensure that your fingers are much less likely to hit the wrong number, all while providing a satisfying sensation when typing.
  • 【ROBUST BUILD】Built with a sturdy and premium plastic body, this desktop calculator is constructed with everyday use in mind. It is convenient, powerful, and long lasting.
  • 【VERSATILE FUNCTIONS】With its add, subtract, multiply, divide, percent, grand total and CE Button functionalities, this calculator's versatile nature allows it to be used in many occasions.
  • 【DUAL POWER SOURCES】With the aid of its dual solar and battery power system, this calculator is fully powered in any lit environment. The battery comes included with the calculator, ensuring quick and easy access right away. PLEASE NOTE: The calculator will turn itself off after about 6 minutes of being idle.
Show More
9
Sharp EL-M711GGY Desktop Calculator 10-Digit Display Glass Design
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
Sharp EL-M711GGY Desktop Calculator 10-Digit Display Glass Design
Sharp
9% OffFree Shipping
Why we love it
  • Easy memory storage feature.
  • Convenient currency conversion option.
  • Clear large LCD display.
Main Highlights
  • 1 Memory store (3 buttons)
  • Currency Conversion
  • Large inclined LCD display (10-digit)
Show More
8.9
Excellent
Product image 1
Product image 2
Product image 3
Product image 4
8.9
Excellent
Sharp
Sharp EL-M711GGY Desktop Calculator 10-Digit Display Glass Design
9% OffFree Shipping
Why we love it
  • Easy memory storage feature.
  • Convenient currency conversion option.
  • Clear large LCD display.
Main Highlights
  • 1 Memory store (3 buttons)
  • Currency Conversion
  • Large inclined LCD display (10-digit)
Show More
10
Citizen 12 Digit Black Desk Calculator - Large Display Basic Calculator for Kids, Home, School, Desktop, and Office Use with Big Buttons - Solar and Battery Dual Powered
thumbnail 1
thumbnail 2
thumbnail 3
thumbnail 4
Citizen 12 Digit Black Desk Calculator - Large Display Basic Calculator for Kids, Home, School, Desktop, and Office Use with Big Buttons - Solar and Battery Dual Powered
Citizen
Free Shipping
Why we love it
  • Bright colors enhance workspace aesthetics.
  • Reliable dual power source.
  • Essential functions for everyday calculations.
Main Highlights
  • The Citizen black desk calculator features a clear, angled, large calculator screen which displays up to 12 digits, making it perfect for handling large numbers and quick calculations in schools, offices, classrooms, or at home
  • Built with a sturdy navy blue casing and angled display for better visibility, plus well-spaced, responsive big calculator buttons that provide a smooth and comfortable typing experience
  • Equipped with calculation, percentage, memory, and correction functions, the solar powered office calculator helps you speed through everyday math tasks with greater accuracy and efficiency, meaning it's an ideal choice in classrooms as a kids calculator
  • Despite its lightweight and slim design, this simple desktop calculator offers robust functionality and is easy to carry in a bag or drawer, making it ideal for students and professionals alike.
  • Powered by both solar energy and a long-lasting battery, the simple calculator ensures uninterrupted performance whether you're working under bright light or in dimly lit environments. Get your Citizen basic calculator today!
Show More
8.7
Excellent
Product image 1
Product image 2
Product image 3
Product image 4
8.7
Excellent
Citizen
Citizen 12 Digit Black Desk Calculator - Large Display Basic Calculator for Kids, Home, School, Desktop, and Office Use with Big Buttons - Solar and Battery Dual Powered
Free Shipping
Why we love it
  • Bright colors enhance workspace aesthetics.
  • Reliable dual power source.
  • Essential functions for everyday calculations.
Main Highlights
  • The Citizen black desk calculator features a clear, angled, large calculator screen which displays up to 12 digits, making it perfect for handling large numbers and quick calculations in schools, offices, classrooms, or at home
  • Built with a sturdy navy blue casing and angled display for better visibility, plus well-spaced, responsive big calculator buttons that provide a smooth and comfortable typing experience
  • Equipped with calculation, percentage, memory, and correction functions, the solar powered office calculator helps you speed through everyday math tasks with greater accuracy and efficiency, meaning it's an ideal choice in classrooms as a kids calculator
  • Despite its lightweight and slim design, this simple desktop calculator offers robust functionality and is easy to carry in a bag or drawer, making it ideal for students and professionals alike.
  • Powered by both solar energy and a long-lasting battery, the simple calculator ensures uninterrupted performance whether you're working under bright light or in dimly lit environments. Get your Citizen basic calculator today!
Show More

We scanned 1822 products

We reviewed these offers relevant to the Calculators within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Casio, HIHUHEN, CATIGA, EMPIRE TRADING & COMMERCE, RENUS, Sharp, Citizen, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Calculators in the market, we considered we took a deep dive into 9111 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

  • The clear winner of our analysis is Casio fx-991CW Advanced Scientific Calculator (UK Version). We love many things about this product by Casio. What sets it apart from the competition is Approved for all UK exams, Best-selling advanced calculator, Dual powered and reliable.
  • The best value product for most shoppers and where user satisfaction is continuously the highest is Casio fx-85GTCW Black Scientific Calculator by Casio based on online reviews by bloggers, experts and online shoppers.
  • The biggest bargain at the moment for Calculators and the best cost-to-value ratio is Casio fx-83GTCW Black Scientific Calculatorat Casio with a 30% discount.
  • Our list of the best Calculators is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.