Plumbing Repair & Maintenance

Build a measured multi-area takeoff, compare exact carton coverage with a reviewed source-tile count, and price whole packages after matching inventory.

Measure individual paint faces with their own openings and coats. Compare product-specific volume ranges, real containers, matching stock and optional cost.

Convert square meters to square feet. Area conversion for real estate and flooring. Free unit converter with precise, instant browser-based conversions — no

Audit source-labelled flow, velocity, circular area and theoretical inside-diameter arithmetic against one already documented candidate ID—without selecting nominal pipe, material or compliance.

Simple in-browser notepad with auto-save. Write quick notes that persist in your browser. Download as text file. No signup needed.

Reconcile one completed peak-hour hot-water demand with one exact storage or non-flow-activated water-heater model's source-owned First-Hour Rating.

Compare documented annual electricity use for two appliances using one local rate, entered upgrade cost, and explicit planning horizon.

Build an installed quote, compare lifetime costs and calculate material packs. Separate payment-day cash from later reimbursements using your project records.

Calculate an entered utility bill reduction and simple payback, or compare observed bill averages without assuming what caused the change.

Plan whole drywall sheets from measured wall and ceiling faces, openings, explicit allowance, exact selected sheet dimensions, and price.

Calculate measured bed fill, an explicit top-up allowance, and optional exact-package bags without assuming one soil recipe, settling rate, or bag size.

Turn a reviewed concrete volume range or measured rectangular pour into exact bag-pack or supplier-rounded ready-mix quantities, with matching stock and optional sourced quotes.

Cross-check uniform stair risers, treads, required run and available space from measured geometry without claiming code compliance.

Estimate water pressure at fixture after elevation and friction losses. Free online plumbing calculator with instant, accurate results.

Total water supply and drainage fixture units for pipe sizing. Free online plumbing calculator with instant, accurate results.

Calculate full-pipe head loss or solve flow from an available head budget using actual inside diameter, roughness, viscosity, fittings and elevation.

Calculate total shower flow rate for multiple heads and body sprays. Free online plumbing calculator with instant, accurate results.

Verify toilet rough-in measurement and clearance requirements. Free online plumbing calculator with instant, accurate results.

Compare measured drain fall with a reviewed slope criterion, then calculate required layout fall and available elevation without assuming a code rule.

Size main water supply line from total fixture units. Essential plumbing tool for planning, budgeting, and project optimization.

Size building sewer/drain pipe from drainage fixture unit count. Free online plumbing calculator with instant, accurate results.

Size water heater BTU input for desired flow rate and temperature rise. Free online plumbing calculator with instant, accurate results.

Size thermal expansion tank for closed-loop water heater system. Free online plumbing calculator with instant, accurate results.

Calculate stored water and ideal purge time from actual pipe inside diameters, then record measured arrival time, volume and the stated temperature criterion.

Size natural gas pipe from total BTU load and run length. Free online plumbing calculator with instant, accurate results.

Compare actual pump delivery with design inflow, useful basin volume and documented cycling limits; calculate required working volume from the full range.

Compare PEX and copper piping material costs for a project. Free online plumbing calculator with instant, accurate results.

Size water supply pipe based on fixture unit count per IPC tables. Free online plumbing calculator with instant, accurate results.

Measure basin inflow and compare actual pump curves with static and friction head; identify operating points without extrapolating a horsepower size.

Estimate runtime from battery-side current or usable watt-hours with per-state losses, including sleep time, reserve and discharge conditions.