# CostSignals > Free cost calculators for home services, finance, legal, and B2B — covering 7,011 public calculators across every US city. CostSignals provides free, instant cost calculators that help homeowners, businesses, and professionals estimate costs for common services. Calculators are maintained for March 2026 assumptions where applicable, and location-sensitive calculators use city-level adjustments alongside methodology pages and public API discovery links. ## Home Services - [Roof Replacement Cost Calculator](https://costsignals.com/home-services/roof-replacement-cost-calculator): Estimate the cost of replacing your roof based on size, materials, and local factors. - [Roof Replacement ROI Calculator](https://costsignals.com/home-services/roof-replacement-roi-calculator): Calculate return on investment for roof replacement. See payback period and energy savings. - [Foundation Repair Cost Calculator](https://costsignals.com/home-services/foundation-repair-cost-calculator): Estimate foundation repair costs in your area. Get a personalized cost range based on your project details and local labor rates. - [HVAC System Replacement ROI Calculator](https://costsignals.com/home-services/hvac-replacement-roi-calculator): Calculate return on investment for hvac system replacement. See payback period and energy savings. - [Water Heater Replacement Cost Calculator](https://costsignals.com/home-services/water-heater-replacement-cost-calculator): Estimate water heater replacement costs in your area. Get a personalized cost range based on your project details and local labor rates. - [Electrical Panel Upgrade Cost Calculator](https://costsignals.com/home-services/electrical-panel-upgrade-cost-calculator): Estimate electrical panel upgrade costs in your area. Get a personalized cost range based on your project details and local labor rates. - [Kitchen Remodel Cost Calculator](https://costsignals.com/home-services/kitchen-remodel-cost-calculator): Estimate kitchen remodel costs in your area. Get a personalized cost range based on your project details and local labor rates. - [Flooring Installation Cost Calculator](https://costsignals.com/home-services/flooring-installation-cost-calculator): Estimate flooring installation costs in your area. Get a personalized cost range based on your project details and local labor rates. ## Finance - [Mortgage Payment Calculator](https://costsignals.com/finance/mortgage-payment-calculator): Mortgage Payment Calculator for educational purposes. - [Auto Loan Payment Calculator](https://costsignals.com/finance/auto-loan-payment-calculator): Auto Loan Payment Calculator for educational purposes. - [Student Loan Payment Calculator](https://costsignals.com/finance/student-loan-payment-calculator): Student Loan Payment Calculator for educational purposes. - [Credit Card Payoff Calculator](https://costsignals.com/finance/credit-card-payoff-calculator): Credit Card Payoff Calculator for educational purposes. - [Investment Growth Calculator](https://costsignals.com/finance/simple-investment-growth-calculator): Investment Growth Calculator for educational purposes. - [Retirement Savings Calculator](https://costsignals.com/finance/retirement-savings-calculator): Retirement Savings Calculator for educational purposes. - [Federal Income Tax Estimator](https://costsignals.com/finance/federal-income-tax-estimate-calculator): Federal Income Tax Estimator for educational purposes. - [Social Security Benefit Estimator](https://costsignals.com/finance/social-security-benefit-estimate-calculator): Social Security Benefit Estimator for educational purposes. ## Legal - [Car Accident Settlement Estimate](https://costsignals.com/legal/car-accident-settlement): Educational tool to understand potential settlement ranges based on typical factors. This is NOT legal advice. - [Car Accident Settlement Estimator](https://costsignals.com/legal/car-accident-settlement-estimator): Educational estimate for car accident settlement cases. Understand potential ranges based on common factors. - [Pain & Suffering Multiplier Calculator](https://costsignals.com/legal/pain-and-suffering-multiplier-calculator): Calculate pain & suffering multiplier for educational purposes. Understand common damage categories. - [Medical Malpractice Estimator Estimator](https://costsignals.com/legal/medical-malpractice-estimator): Educational estimate for medical malpractice estimator cases. Understand potential ranges based on common factors. - [Workers Comp Wage Replacement Estimator](https://costsignals.com/legal/workers-comp-wage-replacement-estimator): Estimate workers comp wage replacement for educational purposes. - [GLP-1 Gastroparesis Claim Screener](https://costsignals.com/legal/glp1-gastroparesis-claim-screener): Screening tool for glp-1 gastroparesis claim screener cases. Determine if you may qualify for legal assistance. - [Wrongful Termination Damages Estimator](https://costsignals.com/legal/wrongful-termination-estimator): Educational estimate for wrongful termination damages cases. Understand potential ranges based on common factors. - [Bad Faith Insurance Claim Estimator](https://costsignals.com/legal/bad-faith-insurance-claim-estimator): Educational estimate for bad faith insurance claim cases. Understand potential ranges based on common factors. ## B2B - [SOC 2 Audit Cost Estimator](https://costsignals.com/b2b/soc2-audit): Estimate SOC 2 Type I and Type II audit costs based on company size, scope, and readiness. - [SOC 2 Audit Cost Estimator](https://costsignals.com/b2b/soc2-audit-cost-calculator): SOC 2 Audit Cost Estimator for SaaS companies, Startups, IT leaders. - [AI Support Agent ROI](https://costsignals.com/b2b/ai-support-agent-roi-calculator): AI Support Agent ROI for Support leaders, CX teams, Operations. - [Burn Rate Calculator](https://costsignals.com/b2b/burn-rate-calculator): Burn Rate Calculator for Founders, CFOs, Investors. - [R&D Tax Credit Eligibility Screener](https://costsignals.com/b2b/r-and-d-tax-credit-eligibility-calculator): R&D Tax Credit Eligibility Screener for Startups, Tech companies, CFOs. - [Cloud Migration Cost Estimator](https://costsignals.com/b2b/cloud-migration-cost-calculator): Cloud Migration Cost Estimator for IT, Engineering, CFOs. - [Total Compensation Calculator](https://costsignals.com/b2b/total-compensation-calculator): Total Compensation Calculator for HR, Finance, Candidates. - [Marketing Budget Allocator](https://costsignals.com/b2b/marketing-budget-allocator-calculator): Marketing Budget Allocator for Marketing, Finance. ## Guides - [Complete Guide to Roof Replacement 2026](https://costsignals.com/guides/roof-replacement-guide): Everything you need to know about replacing your roof, from material selection to hiring contractors and understanding costs. - [HVAC Replacement: Everything You Need to Know](https://costsignals.com/guides/hvac-replacement-guide): Complete guide to replacing your heating and cooling system. Learn about types, costs, efficiency ratings, and installation. - [Solar Panel Installation Guide 2026](https://costsignals.com/guides/solar-panel-guide): Complete guide to going solar. Learn about costs, savings, incentives, and how to choose the right solar system for your home. - [Metal vs Asphalt Roof: Complete Cost Comparison](https://costsignals.com/guides/metal-vs-asphalt-roof): Compare metal and asphalt roofing materials. Costs, lifespan, pros and cons, and which is right for your home. ## API - [Public Calculator API OpenAPI](https://costsignals.com/api/v1/openapi.json): OpenAPI 3.1 spec for public calculator discovery, schema inspection, calculations, provenance metadata, and discovery links. - [Public Calculator Index](https://costsignals.com/api/v1/calculators): Browse public calculator slugs, canonical URLs, methodology links, version metadata, and disclaimer text. - [Expanded LLM Manifest](https://costsignals.com/llms-full.txt): Larger machine-readable manifest with more representative calculators and guides. ## About - [Home Services Methodology](https://costsignals.com/methodology/home-services): Learn how CostSignals builds home-services estimates and sources local pricing data. - [Finance Methodology](https://costsignals.com/methodology/finance): Review finance assumptions, tax-year handling, and cited data sources behind calculators. - [Legal Methodology](https://costsignals.com/methodology/legal): Review settlement-estimate methodology, multiplier assumptions, and citation sources. - [B2B Methodology](https://costsignals.com/methodology/b2b): Review B2B pricing, compliance, and ROI methodology used in calculators. - [For Creators](https://costsignals.com/for-creators): Embed CostSignals calculators on your website for free. ## Optional - [Cost Data by State](https://costsignals.com/data/costs-by-state): Compare home improvement costs across all 50 US states. - [All Home Services Calculators](https://costsignals.com/home-services): Browse all home services cost calculators. - [All Finance Calculators](https://costsignals.com/finance): Browse all finance cost calculators. - [All Legal Calculators](https://costsignals.com/legal): Browse all legal cost calculators. - [All B2B Calculators](https://costsignals.com/b2b): Browse all B2B cost calculators.