Tools Portal / CHEM

Box Loading Calculator

Estimate max boxes, layers, and leftover space from cargo and box sizes. Rotation, stacking limit, and margin supported.

Estimate max boxes, layers, and leftover space from cargo and box sizes. Rotation, stacking limit, and margin supported. [box loading calculator / cooler box packing]

box loading calculator / cooler box packing

\(x_{\mathrm{target}} = x_{\mathrm{input}} \times k\)

Fish Yield Calculator

Calculate edible yield and effective cost per kg from raw weight and loss breakdown. Multi-lot total supported.

Calculate edible yield and effective cost per kg from raw weight and loss breakdown. Multi-lot total supported. [fish yield calculator / edible yield]

fish yield calculator / edible yield

\(c = \frac{n}{V}\)

Boat Fuel Cost Calculator

Estimate fuel use and cost from distance, speed, fuel rate, and price. Add segments and safety factor.

Estimate fuel use and cost from distance, speed, fuel rate, and price. Add segments and safety factor. [boat fuel cost calculator / fishing trip fuel cost]

boat fuel cost calculator / fishing trip fuel cost

\(C_1V_1 = C_2V_2\)

Formwork Area Calculator

Calculate formwork area by member type with opening deduction rules.

Calculate formwork area by member type with opening deduction rules. [Formwork / m²]

Formwork / m²

\(\rho = \frac{m}{V}\)

Concrete Volume + Truck Estimate

Sum volumes by shape, add loss, and estimate ready-mix truck loads.

Sum volumes by shape, add loss, and estimate ready-mix truck loads. [Volume / Trucks]

Volume / Trucks

\(n = \frac{m}{M}\)

Scaffolding Area Estimate

Estimate scaffolding area from perimeter × height × coverage, plus accessories.

Estimate scaffolding area from perimeter × height × coverage, plus accessories. [Perimeter × Height]

Perimeter × Height

\(M = \sum_i n_i A_i\)

Voltage Drop Calculator

Estimate voltage drop and review cable size candidates by drop only.

Estimate voltage drop and review cable size candidates by drop only. [Voltage / Drop]

Voltage / Drop

Formulation Ratio Calculator

Build weight/volume ratio tables, auto-scale to a target total, and check tolerance ranges.

Build weight/volume ratio tables, auto-scale to a target total, and check tolerance ranges. [Ratio / Blend]

Ratio / Blend

\(x' = x \times \frac{B}{A}\)

Roof Area Calculator (Pitch)

Compute sloped roof area from plan dimensions, pitch, and overhangs.

Compute sloped roof area from plan dimensions, pitch, and overhangs. [Roof / Pitch]

Roof / Pitch

Material Loss Calculator

Apply waste/yield and salvage rates, then round up by order unit.

Apply waste/yield and salvage rates, then round up by order unit. [Loss / Yield]

Loss / Yield

Reorder Point Calculator

Estimate safety stock and reorder point from demand and lead time variability.

Estimate safety stock and reorder point from demand and lead time variability. [Safety Stock / ROP]

Safety Stock / ROP

\(\mathrm{pH} = -\log_{10}[H^+]\)

URL Encode/Decode

Encode or decode URLs and query values with percent-encoding.

Encode or decode URLs and query values with percent-encoding.

percent-encoding

\(m_i = M_{\mathrm{total}} \times r_i\)