Civil Engineering Calculators — Construction
Earthworks and drainage sizing: cut-and-fill volumes, compaction testing, elevation grade, culvert flow, infiltration trench volume, and bridge deck loading. Cut-and-fill is usually the first number a site budget hinges on.
All Civil Engineering Calculators
Calculate bridge deck load with inputs, formulas, and instant results.
Calculate compaction test with inputs, formulas, and instant results.
Calculate culvert flow with inputs, formulas, and instant results.
Calculate earthwork cut fill with inputs, formulas, and instant results.
Calculate elevation grade with inputs, formulas, and instant results.
Calculate infiltration trench volume with inputs, formulas, and instant results.
Calculate manning open channel flow with inputs, formulas, and instant results.
Calculate pavement thickness with inputs, formulas, and instant results.
Calculate stormwater runoff rational method with inputs, formulas, and instant results.
Calculate retaining wall with inputs, formulas, and instant results.
Calculate retaining wall pressure with inputs, formulas, and instant results.
Calculate road gradient with inputs, formulas, and instant results.
Calculate slope stability with inputs, formulas, and instant results.
Calculate soil bearing capacity with inputs, formulas, and instant results.
Calculate stopping sight distance with inputs, formulas, and instant results.
Calculate subgrade modulus conversion with inputs, formulas, and instant results.
Calculate superelevation with inputs, formulas, and instant results.
Calculate swale sizing with inputs, formulas, and instant results.
Calculate vertical curve with inputs, formulas, and instant results.
Calculate water channel flow with inputs, formulas, and instant results.
Calculate bricks and mortar for walls
Calculate backfill for utility trenches
Calculate studs and plates for wall framing
About Civil Engineering Calculators
Earthworks and drainage sizing: cut-and-fill volumes, compaction testing, elevation grade, culvert flow, infiltration trench volume, and bridge deck loading. Cut-and-fill is usually the first number a site budget hinges on.
Whether you need to solve a one-time problem or verify your own calculations, these free tools cover the most common civil engineering scenarios. All results are computed in your browser — no data is sent to any server.
What You Can Calculate
This section includes 23 tools: Bridge Deck Load Calculator, Compaction Test Calculator, Culvert Flow Calculator, Earthwork Cut Fill Calculator, Elevation Grade Calculator, Infiltration Trench Volume Calculator, Manning Open Channel Flow Calculator, Pavement Thickness Calculator, and 15 more. Each calculator is free to use with no signup required.