Bill Splitter (warikan.onl.jp)
A web tool to equally split dining or party expenses among multiple people. Instantly calculates the amount per person including rounding, reducing the burden on the organizer.
Amount Calculator (lazesoftware.com)
A scaling tool that adjusts recipe ingredient quantities for different serving sizes. Supports single-line and two-line row formats, blank line ignore option, and clipboard copy or text file download of results.
Cost-effectiveness Calculator (lazesoftware.com)
Compares the cost-effectiveness of multiple products by calculating unit price from name, quantity, and price inputs. Automatically determines the most economical option and displays results in a table.
Fraction Calculator (lazesoftware.com)
Performs arithmetic operations (addition, subtraction, multiplication, division) on fractions. Accepts integers, decimals, fractions, and mixed numbers, allowing different input formats to be combined in a single calculation.
Percentage Calculator (www.piliapp.com)
An online percentage calculator for quick percent computations. Calculate what percentage one number is of another, find percent increase or decrease, and more.
Counter (www.piliapp.com)
An online tally counter for counting things with a click. Increment, decrement, and reset the count easily. Useful for counting participants, inventory, or repetitions.
Random Number Generator (www.piliapp.com)
An online random number generator. Set a minimum and maximum value, choose how many numbers to generate, and get instant random results for games, draws, or decisions.
Aspect Ratio Calculator (web-toolbox.dev)
Free tool for calculating the aspect ratio of images or videos. Enter width and height to compute the ratio and check converted dimensions while maintaining the ratio.
Percentage / PX Calculator (web-toolbox.dev)
Free tool for converting between percentages and PX. Enter the parent element size to quickly convert units during CSS layout design.
PX / Rem Calculator (web-toolbox.dev)
Free tool for converting between PX and rem. Enter the base font size to quickly convert units during CSS layout design, also useful for planning accessible font sizes.
BMI Calculator (www.oh-benri-tools.com)
An online tool that calculates BMI by dragging sliders for height and weight. Displays body type classification in real time, with an option to download the result as an image.
Calculator (www.oh-benri-tools.com)
An online calculator for performing arithmetic calculations in a browser. Supports mouse or keyboard input, and multiple calculators can be used simultaneously. Also supports automatic sum and average calculation across multiple instances.