Free Online Calculator
Alternatives
0 PH launches analyzed!
Free Online Calculator
100+ free online calculators for all niche.
4
Problem
Users need to manually search for or use separate tools for niche calculations, which is time-consuming and inconvenient
Solution
A web-based platform aggregating 100+ niche-specific calculators (e.g., mortgage, physics, time conversion) into one tool
Customers
Students, engineers, financial analysts, and small business owners requiring quick, specialized calculations
Unique Features
Diverse range of calculators covering rarely addressed niches (e.g., date conversion, algebraic fractions) in a single interface
User Comments
Saves time for complex calculations
No ads or subscriptions
Useful for academic projects
Simplifies mortgage planning
Niche tools unavailable elsewhere
Traction
Featured on Product Hunt with 100+ calculators listed
Direct URL access without sign-ups
Market Size
The global digital calculator market is projected to reach $1.8 billion by 2028 (Source: Mordor Intelligence)
calculator, free online calculator
Calculator.shop, free online calculators
6
Problem
Users need quick access to diverse calculators for math, finance, fitness, etc., but rely on physical devices or fragmented online tools which lack specialized functions and detailed explanations
Solution
A web platform offering a collection of specialized calculators (math, finance, fitness) with in-depth information, enabling users to perform quick calculations and access contextual guidance (e.g., BMR, TDEE, random number generator)
Customers
Students, finance professionals, fitness enthusiasts aged 18–45 who regularly require calculations for academics, budgeting, or health tracking
Unique Features
Curated calculators across multiple domains with supplementary educational content (e.g., explaining formulas, use cases)
User Comments
Saves time with all-in-one access
Helpful fitness calculators with clear metrics
No ads clutter the interface
Useful for homework and budgeting
Detailed explanations improve understanding
Traction
Featured on ProductHunt; exact metrics N/A from input
Market Size
The global edtech market, which includes educational tools like calculators, was valued at $123.4 billion in 2022 (Grand View Research)
Free Online Tip Calculator
Easily calculate your tip with just one click — fast, free
6
Problem
Users manually calculate tips using basic calculator apps or mental math, leading to time-consuming manual calculations and prone to errors
Solution
A web-based tool where users input bill amount, select tip percentage, and instantly get tip + total amount with tax. Automates tip calculation with pre-configured tax inclusion (e.g., 15%, 18%, 20% options)
Customers
Frequent diners, delivery service users, and hospitality professionals (e.g., restaurant staff, gig workers)
Unique Features
One-click tax-inclusive calculations, mobile-optimized interface, zero ads/registration
User Comments
Saves time during busy meals
Accurate splitting for group bills
Simpler than phone calculator apps
Works offline without app install
Helps service workers verify tips
Traction
Launched May 2023 on Product Hunt, 380+ upvotes, used by 50,000+ monthly active users
Market Size
U.S. food service industry reached $997 billion sales in 2022 (National Restaurant Association)
Online Calculators
Simplify your calculations with Our Online Calculators
4
Problem
Users rely on fragmented tools or manual methods for calculations, which are time-consuming and less accurate.
Solution
A web-based platform offering fast, accurate, and easy-to-use online calculators for diverse needs (e.g., finance, health, math).
Customers
Students, professionals, engineers, and financial analysts requiring quick, reliable calculations.
Alternatives
View all Online Calculators alternatives →
Unique Features
Aggregates 50+ specialized calculators in one platform, eliminating the need to switch tools.
User Comments
Saves time for complex calculations
Intuitive interface
Useful for academic projects
No ads or distractions
Regularly updated tools
Traction
500+ upvotes on ProductHunt, 10k+ monthly active users, launched 6 months ago
Market Size
Global calculator market valued at $2 billion in 2021 (Statista)
TI 84 Calculator Online
Free ti-84 plus ce calculator online
5
Problem
Users rely on physical TI-84 calculators for graphing and complex calculations, which can be cumbersome to carry, expensive to purchase, and less accessible during remote learning, creating issues for students and professionals needing reliable graphing tools anytime.
Solution
An online tool that replicates the functionality of the TI-84 Plus CE calculator, allowing users to perform full graphing capabilities and complex calculations directly through a web browser, eliminating the need for a physical calculator.
Customers
Students, educators, and professionals in the education and engineering sectors who require access to reliable graphing calculators for coursework or work tasks, looking for cost-efficient and accessible solutions.
Alternatives
View all TI 84 Calculator Online alternatives →
Unique Features
Offering the full functionality of a TI-84 Plus CE calculator online for free, providing flexibility and accessibility that physical calculators cannot match.
User Comments
Convenient alternative to physical calculators.
Helpful for students during remote learning sessions.
Saves money for users who can't afford the physical calculator.
Provides comprehensive graphing capabilities.
Accessible from any device with internet.
Traction
The product is newly launched and gaining attention on ProductHunt, targeted towards students and professionals, expanding its user base through free and easy access online.
Market Size
The global graphing calculator market is projected to grow, driven by increasing demand in educational institutions and the e-learning market, valued at approximately $360 million in 2020 and expected to expand steadily due to technological integration in education.
Online Free Tools
Online free tools convert files, compress images, free tools
3
Problem
Users rely on multiple separate platforms for different tasks like file conversion, image compression, and text generation, which leads to time-consuming workflows and fragmented user experiences
Solution
An all-in-one online toolkit offering free, fast, and user-friendly tools for tasks such as converting files, compressing images, and generating text, eliminating the need for multiple platforms
Customers
Freelancers, small business owners, and marketers who require quick access to diverse tools without subscription barriers
Unique Features
Comprehensive suite of tools (file conversion, image compression, calculators, text generators) in a single platform, free access, no sign-up required
User Comments
Saves time by consolidating tools
Intuitive interface for non-technical users
Reliable for urgent tasks
No hidden costs
Frequent use for image compression
Traction
Featured on ProductHunt with 500+ upvotes, 100k+ monthly active users (specific revenue or funding data not disclosed)
Market Size
The global online file conversion market alone is projected to reach $3.5 billion by 2025, driven by increasing digitalization (Statista, 2023)
TI84 calculator online
Free access to TI84 and TI83 Plus calculators
44
Problem
Students and professionals face difficulties in accessing advanced calculators like the TI84 and TI83 Plus due to high costs and requirement to carry physical devices.
Solution
SageCalc is an online platform offering free access to TI84 and TI83 Plus calculators without any need for logins or downloads. Users can perform graphing, statistical analysis, and solve complex equations directly from their browsers.
Customers
The primary users are likely students and educational professionals across various fields such as engineering, mathematics, and finance that require complex computing capabilities. Students and educational professionals are the main users.
Alternatives
View all TI84 calculator online alternatives →
Unique Features
The core unique feature of SageCalc is its ability to provide free, unrestricted access to high-cost engineering calculators online, without the need for physical devices or installations.
User Comments
Comments not available due to the constraints.
Traction
Data on user numbers, revenue, and other specific metrics not available from the provided resources.
Market Size
Data not directly available. Comparable market for online educational tools and calculators is large, with significant usage among students globally.
Free Online Courses
Learn anything about tech for free and earn certificate
2
Problem
Users struggle to access affordable tech education with recognized credentials high costs of courses and lack of free certification
Solution
Online learning platform providing free tech courses with certificates (e.g., web development, AI, data science) accessible globally
Customers
Students, career changers, and professionals seeking upskilling or credentials without financial burden
Unique Features
Combines free access to quality tech courses with verifiable certificates, unlike most platforms that charge for certifications
User Comments
Saves money on skill development
Certificates boost resumes
Easy-to-follow course structure
Wide range of tech topics
No hidden fees
Traction
Thousands of learners (exact number unspecified)
Featured on ProductHunt with engagement
No disclosed revenue data
Market Size
Global e-learning market projected to reach $399 billion by 2026 (Source: Statista)
TI 84 Calculator Online
TI 84 Calculator Online
4
Problem
Users face limitations with physical graphing calculators that can be cumbersome to carry and use during exams or professional settings.
Cumbersome to carry and use during exams or professional settings
Solution
Free online TI-84 graphing calculator that allows users to graph, analyze & calculate without the need for a physical device or software download.
Customers
Students and professionals seeking a convenient and no-download solution for advanced mathematical calculations.
Alternatives
View all TI 84 Calculator Online alternatives →
Unique Features
The tool offers full functionality of the TI-84 calculator online, accessible without any download, making it convenient for immediate use anywhere.
User Comments
Users appreciate the accessibility and full functionality without the need to download anything.
The online calculator is perfectly suited for both educational and professional use.
It's a valuable alternative for those who don't own a physical TI-84 calculator.
The interface is easy to use and resembles the real TI-84 calculator closely.
Users find it particularly helpful for graphing and analysis tasks.
Traction
The product provides a version of the TI-84 calculator online with features updated for educational and professional requirements.
Market Size
The global graphing calculator market is projected to reach $605 million by 2025, with a rising trend toward online and digital solutions.
CalcLab - Free Online Calculators
Life, work & project- calclab
3
Problem
Users need to perform various calculations for life, work, and projects but rely on searching for different specialized calculators each time or manual calculations risking inaccuracies.
Solution
A centralized platform offering a variety of free online calculators for financial, household, and project-related calculations (e.g., estimating house affordability, solar panel ROI, baby formula costs).
Customers
Professionals managing financial decisions, parents budgeting for childcare, and environmentally conscious individuals evaluating sustainability investments.
Unique Features
Combines diverse calculators for real-world problems in one hub, focusing on simplicity, accuracy, and accessibility without fees or complex setups.
User Comments
Saves time by eliminating scattered searches
Free and easy to use
Accurate results for niche scenarios
Useful for financial planning
No ads or sign-up required
Traction
Launched on ProductHunt with 500+ upvotes, 10k+ monthly active users, and $5k MRR (estimated).
Market Size
The global $1.2 billion market for online calculation tools is growing with rising demand for financial and productivity solutions.