223+ iOS apps curated and reviewed
The best lct50 calculator apps on iPhone average 4.4★ across 223+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
This utility calculates lethal concentration and time (LCt50) for chemical agents in enclosed spaces. It uses structure dimensions and agent amount to determine safety levels or required agent quantities for a desired LCt50.
Calculate LCT50 times for chemical agent deployment missions. Define room dimensions, set time limits or munitions, and select specific agents to ensure team safety and mission success.
This app provides veterinarians and staff with a comprehensive suite of calculators for drug dosages, medical measurements, and patient assessments. It also includes a wide range of veterinary references for quick access to essential information.
This app helps you master pool chemistry by accurately calculating chemical dosages and balancing water based on the LSI. It offers a user-friendly experience for both novices and professionals, including a volume estimator and educational videos.
This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.
This app calculates the correct fusion pressure for HDPE and Polypropylene pipe jobs. It simplifies the process by selecting your fusion machine and entering pipe details to determine the recommended theoretical gauge pressure.
This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.
This app helps manage pool chemistry with 24 specialized calculators for dosing, pH, and more. It features a customizable maintenance calendar, equipment tracking, and easy report sharing for up to 100 pools. Ideal for maintaining a clean and swim-ready pool.
This app provides a powerful scientific calculator with step-by-step solutions for equations, advanced functions, and graphing capabilities. It includes a formula library and unit converter, inspired by a popular Casio model, to aid in learning and problem-solving for math and science subjects.
This app provides over 900 evidence-based medical calculators, risk scores, and clinical tools for healthcare professionals. It offers offline functionality, expert insights, and CME tracking to support patient care at the bedside. Tools are developed and validated by board-certified physicians.
This tool simplifies peptide dosage and reconstitution calculations. It accurately determines injection volumes and the correct amount of water for mixing, converting results to insulin syringe units. Designed for researchers and wellness enthusiasts, it ensures precise and confident peptide administration.
This clinical calculator and decision support tool offers over 200 medical calculators and tools for diagnosis, treatment, and prognosis. It adapts to your practice and provides detailed references, integrating with PubMed and Read by QxMD.
This tool helps players of a specific war simulation game achieve precise artillery targeting. It calculates the necessary elevation for artillery rounds based on target distance, ensuring accurate strikes against enemies.
Easily calculate peptide dosages with this straightforward tool. It helps determine reconstitution ratios and injection volumes based on your inputs. Manage your peptide inventory, track your progress, and review past dosing with helpful features.
This app provides organic chemists with a molecular weight calculator featuring a full-sized periodic table. It allows for real-time calculation with mixed input of elements, numbers, and parentheses, and enables saving, editing, and deleting results.
A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.
This app helps DIY pool owners maintain their pools with expert water test analysis and personalized product recommendations. It offers troubleshooting for common pool problems and allows users to shop for recommended products online.
This tool helps maintain swimming pools by calculating water volume and adjusting chemical levels. It also assesses water chemistry to determine scaling potential and calculates chlorine compounds for proper treatment.
This app provides nine specialized calculators to accurately estimate masonry materials for various construction projects. It helps calculate blocks, bricks, mortar, concrete, and gravel needed for walls and other structures, supporting multiple units of measurement.
Easily calculate concrete quantities for various projects like flatwork, footings, and walls. If within the service area, connect live with customer service for quotes and orders.