PlumbTools

Water Pipe Sizing

Calculate water supply pipe diameters per IPC 2024 and UPC. 4 materials, 4 pressure classes.

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Drainage Pipe Sizing

Size drain, waste, and vent (DWV) pipes. IPC 2024 DFU tables, 3 drain types, 3 slopes.

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Fixture Unit Calculator

Calculate DFU and WSFU loads. 21 fixture types per IPC 2024 Table 709.1.

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Gas Pipe Sizing

Size natural gas and propane piping per NFPA 54. 3 materials, 3 pressures, BTU demand.

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Water Heater Sizing

BTU calculator for water heaters. Gas, electric, heat pump. Temperature rise and flow rate.

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Head Loss Calculator

Friction and pressure loss. Hazen-Williams and Darcy-Weisbach. 11 pipe materials.

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Drainage Slope Calculator

Calculate slope, drop, and run. IPC minimum slope validation for 11 pipe sizes.

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Trap & Vent Sizing

Size trap arms and vent pipes per IPC Tables 906.1 and 1002.1.

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Backflow Prevention

Select the right backflow device. 16 application types, 8 devices. ASSE/CSA standards.

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Commercial Plumbing Load

Calculate WSFU and GPM demand. 12 building types. Hunter's curve estimation.

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Septic System Sizing

IRC septic tank and drain field sizing. 5 soil types, percolation rates.

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Pipe Offset Calculator

Calculate travel, offset, and run. 7 fitting angles. Rolling offset geometry.

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