Ton to Amp Calculator: Convert Cooling Capacity to Electrical Current (Free Tool) You are looking at an air conditioner. The nameplate says “3 tons.” You need to know how many amps it will draw. The electrician wants to know for wire sizing. The generator salesman wants to know for sizing. … Read more
AC Unit Amperage Calculator: Size Your Circuit Correctly (Free Tool) You are installing a new air conditioner. You need to know how many amps it draws. The nameplate says “RLA 15” and “LRA 70.” What do these mean? How do you size the wire and breaker? The amperage of an … Read more
Celsius to Fahrenheit Converter: Instant Temperature Conversion (Free Tool) You see a weather forecast. It says 25°C. But you grew up with Fahrenheit. Is that warm? Cold? Do you need a jacket? You need to convert. Fast. Or maybe you are cooking. The recipe says 180°C. Your oven is in … Read more
Advertisement ⚖️ Free Precision Converter · Two-Way Cubic Metersto Pounds Convert m³ to lbs — or lbs to m³ — for any material. Select your material to apply the correct density. Works for water, concrete, sand, soil, gravel, steel, and more. 🔄 Two-Way Conversion 🧱 12 Material Densities ⚡ Instant … Read more
Cooling Load Calculator: Size Your AC Correctly (Free Tool) You are buying an air conditioner for a room. You see a 12,000 BTU unit on sale. But is it the right size for your space? Too small, and the room never cools. Too large, and you waste energy and money. … Read more
Superheat Calculator: Measure Refrigerant Health Instantly (Free Tool). Are you working on an air conditioner or refrigeration system? You have gauges attached. You see pressure and temperature readings. But how do you know if the system is working correctly? You need to calculate superheat. Superheat tells you if your evaporator … Read more
kWh Cost Calculator: Track Your Electricity Costs & Save Money (Free Tool) You look at your electricity bill. You see a number like “850 kWh.” You see a total dollar amount. But how does that break down per appliance? How much does it cost to run your AC for an … Read more
Chilled Water Flow Rate Calculator: Size Your Pipes & Pumps (Free Tool) You are designing a chilled water system. You need to know how much water must flow through the pipes to deliver the required cooling. Too little flow, and the system will not cool the building. Too much flow, … Read more
Boiler BTU Calculator: Size Your Heating System Correctly (Free Tool) You need a new boiler. Or you are replacing an old one. The first question is: how big does it need to be? A boiler that is too small will leave you shivering on the coldest days. A boiler that … Read more
Expansion Tank Size Calculator: Size Your Hydronic System Correctly (Free Tool) You are designing a closed-loop hydronic heating or cooling system. The water will expand as it heats up. Without a place for that extra volume to go, pressure will build until the relief valve opens. You need an expansion … Read more
