Apps Like FlowCalculator for iPhone and iPad
FlowCalculator screenshots
Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.


Converter-Universal Conversion
Trelleborg Sealing Solutions Germany GmbH
Convert units, calculate percentages, track timezones, calculate
Convert units including currencies, length, weight, and temperature. Convert time zones and calculate percentages. Includes a running pace calculator and other utility tools for precise measurements and calculations.

Construction Master 5 Calc
Calculated Industries, Inc.
Try before you buy with free trial
Calculate measurements in feet, inches, and fractions. Convert between units and perform complex calculations. Store frequently used values and recall previous entries. Adjust for slope and pitch. Export results to email or cloud storage.

Conversion Calculator Units
RV AppStudios LLC
Convert across 12 categories
Convert across 12 categories and 140+ . Tap to select , swipe to switch values. Adjust options easily. View results instantly without complex steps.

Material Estimator Calculator
Calculated Industries, Inc.
Estimate materials for your projects
Calculate costs and percentages for building projects. Estimate quantities needed for walls, floors, and roofs. Convert measurements between units. Track project budgets and adjust estimates in real time. Export calculations to PDF or email.

AR Measure
RIEU Limited
Distances and save areas with your device
Lengths and areas using your mobile device. Select from multiple measurement modes including point-to-point and area. Save screenshots or measurements for later. Change units of measurement as needed.

Unit Converter - Convert all
oWorld Software
Convert currencies, weights, and units instantly
Convert units for currency, weight, length, volume, and temperature. Input values and select units for instant . Access real-time currency rates. Share results or copy to clipboard for quick use.

Ductulator - Duct Sizing
Wassim Murr
Size ducts by friction rate or velocity
Calculate sizes for rectangular and circular ducts by inputting maximum friction rate or velocity. Switch between calculation methods by tapping values. Convert between I-P and S-I units using a toggle switch. Export results for reference.

Draft Paper
Giles Goddard
Draw, export, and organize blueprints
Create floor plans and layouts by drawing lines, rectangles, and shapes on up to 10 layers. Add text, arrows, and measurements. Export designs as PDF, JPEG, or DXF. Sync files via iCloud and transfer via DropBox.

AWG Convert
Nelcea
AWG to metric and imperial units
Wire diameters from American Wire Gauge (AWG) to metric and imperial units. Calculate cross-sectional area. Export results as text or image.


Measures™
Tue Nguyen Minh
Take photos, add measurements, send them
Take photos and add measurements with arrows to save object dimensions. Adjust scale using pinch zoom and magnifier view. Save photos with measurement data and share them with others. Supports both imperial and metric units.

HVACR Check & Charge
Copeland LP
Calculate refrigerant charges instantly
Calculate refrigerant charges for systems using built-in formulas. Input system parameters to determine correct levels for R-22, R-410A, R-32, and other refrigerants. Save and export calculation results for record-keeping.



Pipe Flow Wizard - Calculator
Daxesoft Ltd
Calculate rate and pressure loss
Calculate fluid rates and pressure loss in pipes. Determine diameter or maximum length based on rate and pressure drop. Find friction loss and rate using built-in formulas. Input dimensions and fluid properties for accurate results.

Calcbot 2
Tapbots
Review calculations and send them back
Lets users perform calculations and convert units with an easy-to-read history tape and expression view. Save and reuse previous calculations. Convert between units intuitively. Sync with Apple Watch for on-the-go use.

Fluid Mechanics Calculator
V PUGAZHENTHI
Calculate and civil engineering parameters
Provides tools to compute parameters like pressure, flow rate, and viscosity. Users can switch between USCS and SI units. Features include calculating buoyant force, hydraulic radius, and density. Supports civil engineering and dynamics calculations.

Ring Sizer by Jason Withers ©
Uniqo Lab FZC
Measure size in metric or imperial units
Measure size using metric or imperial units, choose diameter or circumference, and use visual guides for accurate measurement. Supports sizes for USA, Australia, UK, Europe, Japan, and China. Share size on social networks.

How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.