T-01Calculator
Pipe weight calculator
Mass per metre and total weight of steel pipe by NPS and schedule, or any OD and wall, with optional water contents.
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- Engineering tools
TLSFree calculators
Engineering tools.
Fast calculators for fabrication, piping and rigging, built by an industrial contractor for the people who estimate, plan and check the work. Free, no sign-up, and they work on site on your phone.
01 · Piping & pressure
T-04Calculator
Hydrotest pressure calculator
Hydrostatic and pneumatic leak-test pressures for process piping using the ASME B31.3 method.
Open calculatorT-05Calculator
Weld inch calculator
Diameter-inches (DI) for a piping scope from NPS and weld counts, with socket-weld factor and total weld length.
Open calculator02 · Fabrication & welding
T-02Calculator
Steel weight calculator
Weight of plate, flat bar, round bar and square or rectangular hollow sections from dimensions.
Open calculatorT-06Calculator
Welding hours estimator
Welder-hours and crew duration from diameter-inches, productivity norms and factors for material, location and repairs.
Open calculatorT-07Calculator
Butt weld consumables calculator
Weld metal, electrode or wire quantity and arc time for single-V butt welds on pipe or plate.
Open calculatorT-08Calculator
Fillet weld calculator
Weld metal per metre, consumables and welding hours for structural fillet welds by leg size and process.
Open calculatorT-11Calculator
Paint & coating calculator
Litres of paint per coat from surface area, dry film thickness, volume solids and application losses.
Open calculatorT-12Calculator
Plate nesting & cutting calculator
Nest rectangular parts onto stock plates with kerf and edge margins: plates required, yield, scrap and a cutting layout.
Open calculator03 · Lifting & rigging
T-03Calculator
Sling load calculator
Tension in each sling leg for any load, number of legs and sling angle, with the load factor and warnings.
Open calculatorT-09Calculator
Crane lift calculator
Total lifted load including hook block and rigging, and percentage of the crane's chart capacity at radius.
Open calculatorT-10Calculator
Ground bearing pressure calculator
Pressure under crane outrigger pads and mats, and the mat size needed for the allowable ground bearing pressure.
Open calculatorResults are estimates for planning and budgeting. Verify against the applicable code, manufacturer data and a competent engineer before use.
Beyond the calculator
Need it fabricated or installed?
Drawings, a bill of quantities or a description of the problem. An engineer reviews every enquiry and comes back to you directly.
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