Calculator collection · 19 distinct tools
Measurement Calculators
Work with tape-measure dimensions, drawing scales, area and unit conversions.
Measurement pages connect field dimensions with unit references and project calculators without generating every possible unit pair as a thin page.
Open a real interactive tool instead of landing on a thin keyword page.
Formulas, units and assumptions stay visible beside the result.
Move between genuinely different calculations inside one collection.
Supplier, manufacturer, drawing and standards data remain authoritative where required.
Choose the calculation that matches the job
Each page owns a distinct input/output task. Reciprocal forms stay together when the underlying job is the same.
Calculator
Feet and Inches Calculator
Add, subtract, multiply, divide or convert feet and inches, including decimal and fractional inch inputs, with decimal feet and metric equivalents.
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Scale Calculator — Drawings, Maps and Models
Convert real measurements to scaled drawing or model sizes, convert scaled sizes back to real dimensions, or find the 1:N scale ratio.
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Square Footage Calculator
Calculate square footage for rectangles, circles and triangles, convert the area to square meters and estimate cost from a price per square foot.
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Loading Meter Calculator (LDM) — European Freight & Pallets
Calculate European loading metres (LDM) from cargo or pallet footprint, quantity and safe stack layers. See floor area, trailer utilization, gross weight and optional rate estimate.
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LTL Linear Feet Calculator — Pallets, Trailer Space & Rotation
Calculate LTL trailer linear feet from pallet or handling-unit dimensions and quantity. Compare allowed 90° rotation, rows, trailer utilization, gross weight and an optional carrier review threshold.
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Freight Density Calculator — lb/ft³, kg/m³ & Estimated NMFC Class
Calculate LTL freight density from packaged dimensions, weight and quantity, then see the matching 2025 NMFC full-density class band with metric and imperial totals.
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Container Load Calculator — How Many Boxes Fit in 20ft & 40ft Containers
Calculate how many identical cartons fit in a 20ft, 40ft or 40ft high-cube shipping container. Compare free rotation or upright-only loading, payload, cube utilization and containers required.
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CBM Calculator — Carton & Shipping Volume in m³
Calculate carton CBM and total shipment volume from packed dimensions and quantity. Convert mm, cm, m, inches or feet to m³, ft³ and litres, with optional gross-weight and volume-rate planning.
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Paper Weight Calculator — GSM, Sheet, Ream & Print Run Weight
Calculate paper weight from GSM, sheet dimensions and quantity. Compare per-sheet, pack, 500-sheet ream, total kg and lb, with custom sizes and packaging.
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Dimensional Weight Calculator — Volumetric & Chargeable Weight
Calculate dimensional (volumetric) and chargeable shipping weight from parcel dimensions, actual weight, quantity and an editable DIM divisor.
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Pallet Calculator — Boxes per Pallet, TI-HI, Weight & Pallets Needed
Calculate cartons per pallet from box dimensions, pallet footprint, loaded-height and gross-weight limits. Get TI-HI, coverage, limiting constraint and pallets required.
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Date Calculator — Add, Subtract, Difference & Business Days
Calculate the difference between two dates or add and subtract days, weeks, months and years. Compare calendar days with weekday-only business days, see the result weekday and keep the counting convention visible.
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Pressure Converter — PSI, Bar, kPa, MPa, atm, Torr & mmHg
Convert pressure instantly between Pa, hPa, kPa, MPa, GPa, bar, mbar, psi, ksi, atm, Torr, mmHg, inHg and kgf/cm², with every equivalent, the direct factor, adjustable precision and gauge-vs-absolute guidance.
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Torque Unit Converter — N·m, lb·ft, lb·in, oz·in & kgf·m
Convert torque between N·m, kN·m, mN·m, lbf·ft, lbf·in, ozf·in, kgf·m, kgf·cm and gf·cm with every equivalent, adjustable precision and a direct conversion factor.
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Force Converter — Newtons, kN, lbf, kgf, Kip & Dyne
Convert force between N, mN, kN, MN, lbf, ozf, kip, kgf, gf, dyne, poundal and US ton-force, with all equivalents, adjustable precision and clear mass-versus-force guidance.
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Energy Unit Converter — J, kJ, MJ, kWh, Calories, BTU & eV
Convert energy between joules, kJ, MJ, GJ, Wh, kWh, MWh, calories, food Calories, BTU, electronvolts, ft·lbf and ergs, with all equivalents, scientific notation and clear energy-vs-power context.
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Power Unit Converter — W, kW, MW, HP, PS, BTU/h & Refrigeration Tons
Convert power between W, mW, kW, MW, GW, mechanical hp, metric PS, BTU/h, kcal/h, refrigeration tons and ft·lbf/s, with all equivalents and explicit power-vs-energy guidance.
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Angle Converter — Degrees, Radians, Gradians, Turns, Arcmin & Arcsec
Convert angles between radians, milliradians, degrees, gradians/gons, turns, arcminutes and arcseconds with all equivalents, exact circle relationships, swap and adjustable precision.
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Data Rate Converter — Mbps, MB/s, Gbps, GB/s, Mib/s & MiB/s
Convert data transfer rates between decimal bit/byte units and binary Kib/Mib/Gib units, including Mbps↔MB/s and Gbps↔GB/s, with all equivalents plus GB/hour and TB/day throughput context.
Open calculatorUnit conversion references
Start from the unit you have. Each reference includes the live converter, exact factors, common-value table and links to related units.
length
Inch Conversion Calculator & Table
Convert inches to feet, centimeters, millimeters, meters and yards. See exact factors, common values and the live length converter.
length
Foot Conversion Calculator & Table
Convert feet to inches, meters, centimeters, yards and millimeters with a live calculator, conversion factors and common values.
length
Millimeter Conversion Calculator & Table
Convert millimeters to inches, centimeters, meters and feet with exact factors, common values and a live length converter.
length
Centimeter Conversion Calculator & Table
Convert centimeters to inches, millimeters, meters and feet with exact factors, common values and a live converter.
length
Meter Conversion Calculator & Table
Convert meters to feet, inches, centimeters, millimeters and kilometers with a live converter and common-value table.
volume
US Gallon Conversion Calculator & Table
Convert US liquid gallons to liters, milliliters and cubic feet with a live volume converter and common-value table.
volume
Liter Conversion Calculator & Table
Convert liters to US liquid gallons, milliliters and cubic feet with a live converter, factors and common values.
weight
Kilogram Conversion Calculator & Table
Convert kilograms to pounds, grams and ounces with a live weight converter, exact factors and common-value table.
weight
Pound Conversion Calculator & Table
Convert pounds to kilograms, grams and ounces with a live weight converter, factors and common values.
speed
Miles per Hour Conversion Calculator & Table
Convert mph to km/h, m/s, ft/s and knots with a live speed converter, factors and common-value table.
speed
Kilometers per Hour Conversion Calculator & Table
Convert km/h to mph, m/s, ft/s and knots with a live speed converter, factors and common-value table.
Useful next calculations
Move to a different formula only when the next question actually changes.
Explore adjacent calculator collections
Cross-cluster links help you move from measurement to project quantity, electrical relationships, money, statistics or media planning without flattening everything into one giant list.
Construction & DIY Calculators →
Estimate area, concrete and tile quantities with visible assumptions and formulas.
Electrical & Engineering Calculators →
Solve foundational voltage, current, resistance and power relationships without hiding the formulas.
Statistics Calculators →
Paste datasets or enter study assumptions to calculate descriptive statistics, spread, correlation, regression, sample size, margin of error and exact combinatorics with formulas and working kept visible.
Fraction Calculators →
Work with fractions, decimals, mixed numbers and practical inch fractions with the simplifying steps kept visible.
Geometry Calculators →
Solve common 2D area, right triangles, general triangles, circles, rectangles, perimeter, volume and slope from explicit dimensions and formulas.
Screen, Image & Video Calculators →
Plan pixel density, physical screen dimensions, aspect ratios, video bitrate and file size before resizing, converting or compressing media.
Money & Business Calculators →
Model debt payoff, debt-to-income ratios, investment fee drag, discounted cash flows, IRR and sales commission with assumptions and working exposed.
Everyday Planning Calculators →
Solve practical planning, weather, science, logistics and engineering jobs with editable assumptions and visible working.
Formula first, assumptions visible
MAXScanner keeps editable rates, units and dimensions next to the result, shows the working where it helps, and avoids turning reciprocal formulas into duplicate pages. Product documents, financial terms, study design, drawings and applicable standards remain authoritative where required.