Free Online Calculators and Unit Converters

YourCALCShop gives you instant, accurate results for finance, health, home improvement, and unit conversion — all free, no signup required. Choose a category below or jump straight to our most popular tools.

Browse by Category

Finance Calculators
Mortgage, compound interest, retirement, tax estimator, currency converter, and more. 

Health Calculators
BMI, calorie calculator, body fat, due date, sleep cycles, running pace, and more.

Home & Construction Calculators
Concrete, paint, roofing, flooring, mulch, fence, and more.

Conversion Calculators
Length, weight, temperature, volume, speed, cooking, time zones, and more.

Top 6 Calculators

Roofing Calculator
Estimate roof area, squares, materials, and cost for asphalt shingles, metal, or tile.

Gravel Calculator
Find cubic yards, tons, and bags of gravel for driveways, walkways, and patios.

Concrete Calculator
Calculate cubic yards and pre-mix bags for slabs, footings, and columns.

Mulch Calculator
Find cubic yards and bags of mulch needed for any landscaping area.

Fence Calculator
Estimate posts, rails, and panels or pickets for a straight fence run.

Flooring Calculator
Calculate how much hardwood, tile, laminate, or vinyl you need by room dimensions.

About YourCALCshop

YourCALCShop is a free collection of online calculators and unit converters built for accuracy and simplicity. We cover finance, health, home improvement, and measurement conversion — 30 tools and counting. Every calculator is free to use, works on any device, and requires no account or signup.