Steel Weight CalculatorAnvil Guild
Calculate the weight of round, square, or flat bars of carbon steel based on material dimensions and length.
Technical Reference:
Assuming standard carbon steel density of 7.85 g/cm³ (7850 kg/m³). High alloy steels (like high tungsten or cobalt tool grades) can be up to 8% denser.
Explore Additional Utilities
Supersonic Mach Speed
Assess sonic speed boundaries and atmospheric Mach velocities relative to local dry conditions.
Fold ratio — paper thickness ↔ maximum folds possible
Compute theoretical limit of fold iterations possible for paper size and thickness (Britney Gallivan equation).
Water hardness — ppm ↔ grains per gallon ↔ mg/L
Convert brewing water hardness profiles between ppm, mg/L, Grains per Gallon (gpg), and German degrees (dGH).
Water Depth & Pressure Converter
Convert ocean depth between fathoms, meters, and feet, and estimate hydrostatic pressure and bathymetric marine zones.
Mortar mix ratio — cement ↔ sand ↔ water by weight
Calculate standard masonry mortar mix classes (Type M, S, N, O, K) and determine precise cement, sand, and water weights.
Signal travel time — distance in AU ↔ minutes of delay
Calculate electromagnetic signal delay durations over Astronomical Units (AU).
Paint Coverage Calculator
Estimate the gallons or liters of paint needed based on area and number of coats.
eGFR Kidney Function Calculator
Calculate Estimated Glomerular Filtration Rate (eGFR) using the modern CKD-EPI (2021) equation to evaluate kidney stages.
Swimming Pace & Yardage Converter
Convert swim splits and paces between per-100m, per-100 yards, and overall distances with custom pool sizes.
Musical Note ↔ Frequency
Translate standard musical notes and octaves to precise audio hertz frequencies.
Cooling & HVAC Power (BTU/h ↔ W)
Compare heating, cooling, and air conditioning power capacities with corresponding watt ratings.
Notarial Fee & Page Tier Calculator
Calculate official notary fees based on document page counts, copy requirements, travel, and custom tier structures.
Pipe thread standard — NPT ↔ BSP ↔ metric
Compare dimensions, angles, thread pitches, and sealing mechanics of NPT, BSPP, BSPT, and Metric thread systems.
Text Case Converter
Swiftly switch text between UPPERCASE, lowercase, camelCase, snake_case, or Title Case.
Honey yield — hive strength ↔ kg per season estimate
Estimate seasonal honey surplus production based on hive workforce size and local floral nectar flow conditions.
Stone size ↔ carat estimator
Estimate carat weight of round, oval, emerald, pear, or marquise cut gemstones from their physical dimensions and specific gravity.
Cable run — signal type + length → gauge required
Compute copper loop line resistance, voltage drop, and power loss to recommend the optimal wire gauge size (AWG).
Current Speed Converter
Convert tidal, ocean, and river current speeds between knots, meters per second (m/s), and kilometers per hour (km/h).
Stage lighting — lux ↔ foot candles ↔ beam angle
Convert between Lux and Foot-candles, and compute beam diameter coverage footprint at specific throw distances.
NATO Phonetic Alphabet
Spell out commands or names phonetically using the standard military/aviation phonetic alphabet.