Calculate ratios and volumes
Calculate percentages, total volume, or essential oil drops. Input two values to find the third. Choose from color options for visual distinction.
Showing 141–160 of 1,000 ranked alternatives.
kasula rajesh
Calculate age in seconds and years
Calculate age in years, months, days, hours, minutes, and seconds by entering a birthdate. View remaining days until next . Break down total lived time into years, months, weeks, days, hours, minutes, and seconds. Save and organize information.
富成 魏
Zoom in, adjust brightness, magnify text
Magnify text and images from 1x to 4x with pinch-to-zoom. Use auto-zoom options at 2x, 3x, or 4x. Includes flashlight for low-light reading. Adjust brightness and contrast for clearer visibility.
VisTech.Projects LLC
Convert units between categories seamlessly
Convert units across categories like length, area, and temperature. Perform simultaneous conversions and customize preferences. Copy converted values to the clipboard for quick use.
Michael Jenkins
Calculate discounts and percentages quickly
Calculate discounts by entering an amount and adjusting the slider or inputting a . Display new and discount amounts rounded to two decimal places. Switch tabs to compare percentages of values relative to each other.
Scott DeSapio
Convert units of instantly
Convert between common measurements such as milliliters, liters, cups, pints, quarts, and gallons. Input a value and select units to switch between them. Save frequently used conversions for quick access.
Vitaliy Alekseev
Count numbers with one tap
Count numbers with a plus or minus button in the or . Set automatic resets with timers. Use shortcuts for Siri or Apple Watch integration. Send data via HTTP to third-party habit trackers. View a history log of all counts.
Greenheck Fan Corporation
Calculate fan laws and size ducts
Fan Law Calculator allows users to input rpm, cfm, static pressure, and horsepower. Modifying one value recalculates the others. Ductulator helps size HVAC ducts by inputting shape, dimensions, air temperature, elevation, and roughness.
Cyberprodigy LLC
Calculate loads and circuits
Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.
Ratha Sou
Calculate, edit, and save equations
Perform basic and scientific calculations with equation display and history tracking. Switch between binary, octal, decimal, and hexadecimal modes. Calculate fractions directly. Use widget for quick computations.
Phan Nhat Đang
Calculate earthwork volume and material needs
Calculate earthwork material requirements by entering project parameters to determine area and volume. Input weight or volume units for and total material needed. Support multiple length, weight, and volume units for accurate calculations.
Glindemann, Sennoun, Langer GbR
Percentages with missing variables
Percentages by entering two of three variables. Use a modified keyboard to input values, including fractions and decimals. Store calculations in a history log. View detailed solutions and share results. No advertisements.
Mayank Bhatia
Bills, calculate tips, split payments
Bill amounts with on-device text recognition. Adjust tip percentage and split the bill. Calculate total automatically. Share results via Messages, Mail, and other apps. Includes flashlight button and supports Dark Mode.
Armchair Engineering
Calculate voltage, current, and resistance
Calculate electrical circuit values by entering two known variables (current, resistance, voltage, or power). Adjust units dynamically for accurate results. Display total resistance and power in the circuit.
Asher Dipprey
Split bills, tip, and view total
Split bills among friends, calculate tip percentages, and display the total amount. Users can customize payments and share the breakdown via messaging apps.
Wilson Baraban Filho
Calculate ABV from Original and Final
Calculate Alcohol By Volume (ABV) using Original (OG) and Final (FG) readings. Input measurements for . Determine alcohol content percentage. Export results for record-keeping.
David Dzeveckij
Calculate dosages and reconstitute peptides accurately
Calculate dosages and reconstitution volumes with precision. Input details and desired concentration. ccurate mixing instructions. Track injection schedules and dosing history. Export results for record-keeping.
Peth Pty Ltd
Calculate volumes and costs
Calculate volumes for slabs, walls, and columns. Input dimensions and material types. Estimate material quantities and costs. Export results and share via email. Sync across devices for project management.
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