Blacksmithing Calculators
Free blacksmithing calculators for forge temperature, steel heat colors, quenching times, and metal working.
Tools for blacksmiths and metalworkers.
Blacksmith Hammer Weight by Stock Size Calculator
Find the right hammer weight for forging by stock thickness, steel type, and skill level. Covers cross peen, rounding hammer, and sledge weights.
Blacksmith Anvil Mass to Hammer Ratio Calculator
Calculate ideal anvil mass for any hammer weight. Use the 50-to-1 rule and adjust for forging style to find the right anvil for your shop.
Coal Forge Air Flow CFM Calculator
Calculate the air flow CFM needed for a coal or charcoal forge. Enter forge size and fuel type to get blower CFM and tuyere diameter recommendations.
Blacksmith Tong Length Calculator
Calculate blacksmith tong dimensions from stock size and grip type. Returns rein length, boss width, and jaw depth for flat, bolt, and wolf jaw tongs.
Forge Coal Consumption Calculator
Estimate coal, charcoal, or coke consumption per forge session from fire pot size. Returns pounds of fuel for light, medium, and heavy blacksmithing work.
Hardy Hole Tool Size Calculator
Calculate hardy hole dimensions and matching shank sizes for anvil tools. Returns fit tolerances for hot cuts, fullers, and swages across standard hole sizes.
Forge Temperature Guide Calculator
Look up forge temperatures in °F and °C for steel and other metals. Covers key heat ranges and color-to-temperature reference from black heat to white heat.
Quench Oil Volume Calculator
Calculate quench oil volume from workpiece size and steel alloy type. Returns tank size, oil-to-steel ratio, and temperature rise estimate to prevent oil flash.
Steel Heat Color Chart Calculator
Identify steel temperature from its glowing color. Reference chart for blacksmiths showing forging, hardening, annealing, and heat treating temperature ranges.