UD5 Toolkit
Bird Seed Mix Calculator – Custom Feeder Blends
Create a custom bird seed blend by mixing ingredient percentages. Calculates total weight and helps attract specific bird species with the right nutrition.
Tag: Multi‑Track Audio Mixer
7+ toolsMortar Mix Calculator – Online Sand, Cement, Lime
Select mortar type (N, S, M) and area to calculate materials needed. Bricklaying helper.
Paint Thinner Mix Calculator – Online Viscosity Ratio
Calculate how much thinner to add to achieve the right viscosity for spray guns. Common ratios.
Epoxy Resin Mix Calculator - Online Part A & B by Volume/Weight
Calculate how much resin part A and part B to measure for a given total volume. Common ratios (2:1, 1:1). Avoid sticky failures. Local.
Concrete Mix Calculator - Online Cement Sand Gravel Ratio Tool
Calculate required bags of cement, sand, and gravel for a given concrete volume using standard mix ratios (1:2:4, etc.). Supports metric and imperial.
Online Audio Reverb Tool - Add Room Ambience
Add artificial reverb to an audio recording. Choose from small room to large hall. Wet/dry mix. Convolution‑based.
Soft Wash Mix Calculator – Online Bleach & Water Ratio
Mix sodium hypochlorite with water to get the correct % concentration for soft washing. Safety note.